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Old 02-25-2012   #1
Dynomite
 
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Smile -Solutions- (The Fourth Generation)

-Solutions-

ALERT


The BIG Trick for Photo Album Use on the Registry is.....


After you have selected 800 or 400 or other pixels using Paint (or other photo pixel resize software) on your computer and applied to any photo on your computer....and after you have uploaded that photo to your Registry Album of Albums.

Once the photo is in your Registry Album (resized by PAINT on your computer) you go to that Album and LEFT Click on the photo....It will then appear the size you PAINTED. You then select and copy the BB Code. Then Paste the BB Code into a post.

Another way is to LEFT Click on the photo......It will then appear the size you PAINTED. You then right Click and Select Copy. Left Click on Insert Image in the Post Heading and Paste the Copy in the Insert Image Box. Click on OK and the image will be Inserted where your curser was set before you selected Insert Image
.

Improvements In Solutions.
A significant reorganization of -Solutions- has been accomplished and includes eight continuous posts of regorganized Headings.
The reorganization makes it easier to obtain specific technical information as required.

Mar 5th 2012 - -Solutions- has been modified considerably in appearance (The Second Generation) by using Link Names for all references.
Link Names show up as (Underlined Descriptions) which you can Left Click to upload the reference.

Aug 24th 2012 - -Solutions- has been modified considerably in organization (The Third Generation) by reorganizing -Solutions- into 8 Posts with many additional Link Name References.

Apr 2013 - -Solutions- has been upgraded (The Fourth Generation) with all thread/post references checked and verified. Some posts in threads had been deleted and/or photos in posts hosting photo web sites not maintaned.

Aug 2013 - CF -Solutions- were expanded and made identical to the Registry Forum -Solutions-. Both are being maintained equally

A post on this Forum cannot exceed 30,000 characters. This limitation in post characters required reorganization
of -Solutions- posts to meet this requirement. Any word or group of words underlined are left clickable Links.

Many who post on this Forum no longer use Photobucket. Many of those original posts using Photobucket have lost the photos.
Those posts are gradually being replaced with posts that do show associated photos for clarity.


See Solutions on how to copy a functional (with left clickable references) -Solutions- to a WORD Document on your computer.

A. Acronyms are often used we are not familiar with......
1. See Common Forum Acronyms
2. See Complete Automotive Acronym List
Ebay Searches and Acronyms

B. Using Forum Albums for Posting Photos.
Resizing Photos for Forum Posts and Creating Reference Links
Using Forum Photo Albums……Resizing photos

C. Organization Of Solutions.
Post 1 to Post 8 includes an Index (-Solutions-) for all issues related to the C4 ZR1 with LT5 engine as well as the C4 Corvette with L98 engine. The eight posts are orgainzed by category. The Posts References are all shown as clickable Link Names with those posts associated with the C4 Corvette (L98) starting with the word L98. All other posts refer to the ZR1 (LT5).

OVERVIEW

Post 1. -SOLUTIONS- Overview and Ebay Searches
Post 2. ZR1 General
Post 3. ZR1 Electrical
Post 4. ZR1 Engine
Post 5. ZR1 Drive Train
Post 6. ZR1 Engine Fuel, Lubrication, Cooling, and Exhaust
Post 7. ZR1 Specifications, Restorations, Air, Audio, Lifts, and Road Trips
Post 8. ZR1 Engine (LT5) Bolts and Hydraulics
Post 9. New Secondary Port Throttle Vacuum System for 1990-1995
Post 10. Phil's (Jagdpanzer) Fuel Pressure Regulator Solution

1. -Solutions- Index Posts are Organization by Function. Engine HEADINGS are arranged from front to back and top to bottom and Drive Train HEADINGS are arranged from Bell Housing to Differential to Wheels for example.

2. All Polls and Key instructions/suggestions (TIPS) are listed in Bold Red under each Heading.

3. ALL VIDEO is listed in Bold Red before Polls and TIPS.

4. Links to Off Forum Information Web Sites are listed in Bold Dark Orange.

5. Links to Other Technical Posts and all Calculation Methods are listed in Bold Blue.

6. Occasionally better or more descriptive Solutions appear in new posts which will replace old Solutions in this index. Occasionally new Solutions are found in old archives which will be added to the -Solutions- index. The latest date of updates for each of the 8 -Solutions- posts can be found at the bottom of each post including this post.

7. All posts referenced in -Solutions- are open posts wherein once directed to that post you can scan the entire thread forward or backward as you like. A few Solutions references will take you to the beginning of a thread if the Solution is a process such as a restoration.

8. All professional service sources , all sources of parts, all Ebay searches for parts, and all sources of lubricants are listed last in Bold Dark Green under each Heading.

D. HOW TO CREATE (Links, Photos, Videos, Messages, Posts)
Photobucket issues
Using Forum Albums for Posted Photos TIPS
Registry Forum Albums TIPS
How to Post Photos TIPS
Old Forum Link TIPS
Creating Albums and Hosting Post Photos TIPS
Using Albums on various Forums to Host and Post Photos TIPS
Creating Albums on various Forums TIPS
Converting Pixels to Inches
Creating 3D images
Resizing Photos for Forum Posts and Creating Reference Links
Link Name Signatures
Creating Reference Links
Posting References and Link Photos
How to get to old links
Using ImageShack
Using Photobucket
Using PutFile
How to post a video
Instant message
Random images
Show Car Displays
If you insert a picture in a Post on this forum as cited above using photobucket and then change your
photobucket picture title in any way or delete that picture in photobucket, the picture will also be deleted
in the forum Post you pasted it in. Most of the pictures cited in this index have been copied just in case.

E. Smilies





F. SUMMARY Ebay Searches
Ebay Corvette Electrical Section 8A
Ebay Corvette Ignition Key
Ebay radiator Comb
Ebay LT5 2902 engine mounts
Ebay LT5 2713 engine mounts
Ebay LT5 PVC CV913C
Ebay LT5 PVC CV769C
Ebay LT5 Plug wires
Ebay LT5 Service Manual
Ebay LT5 Thermostat
Ebay LT5 Water pump
Ebay Power Antenna Mast
Ebay ZR1 Bosch 69225 Fuel Pumps
Ebay ZR1 LT5
Ebay ZR1 LT5 Chain
Ebay ZR1 LT5 Belt
Ebay ZR1 LT5 Bolts
Ebay ZR1 LT5 Engine
Ebay ZR1 LT5 Gaskets
Ebay ZR1 LT5 Plenum
Ebay ZR1 LT5 Secondary
Ebay ZR1 LT5 Throttle Body
Ebay ZR1 Alternator
Ebay ZR1 Bose
Ebay ZR1 Brake Pads
Ebay ZR1 Cat Back Exhaust
Ebay ZR1 Clutch Cylinder
Ebay ZR1 Coolant
Ebay ZR1 Corvette Clutch
Ebay ZR1 Radiator
Ebay ZR1 Spark Plugs
Ebay ZR1 Starter
Ebay Autometer 2343

The Ebay search terms are defined to maximize Ebay searches for parts.

The Ebay searches located within some Headings in Solutions will allow you to go directly from a specific Heading in Solutions to the related parts search on Ebay. The Ebay search is current and will show the most recent ZR1/LT5 parts available on Ebay.

PARTS PHOTOS AND ESTIMATED VALUE
Part Estimated Value
Post 310 - Parts Estimated Value

Last UPDATE of post 1 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:21 PM.
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Old 08-21-2012   #2
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Posts: 3,797
Default ZR1 General

Post 2 - ZR1 General

LT5 SYSTEM SOUND VIDEOS
Sound Video - World Record
Sound Video - ZR-1
Sound Video - Top End Clatter
Sound Video - Stock Engine restored
Sound Video - SW Headers, Magnaflow Exhaust
Sound Video - Watson Headers, MFlow exhaust, Intake cams, Ported heads
Sound Video - Borla exhaust with Watson Headers
Sound Video - Magnaflow and Dynomax
Sound Video - BB Fusion
Sound Video - Turbo
Sound Video - SW ZR1CORVOR headers and SW ZR1CHAMSW Exhaust

ALERTS
LT5 Engine
Long Sit Before Starting
Misfire fix by VanSpeed
Replacing the serpentine belt
The modification of 5 ZR-1s and One L98
Belt Tensioner Pulley
Hood and Hatch Struts
CA Car Cover
Wheel Locks/Keys
Tools for Trip
Camshaft Wear Aberation on a Low Mileage 1990 ZR-1
Checking for Dunn Heads TIPS
A List of ALMOST Impossible Fixing Issues TIPS
Steering Joint Alert TIPS
Backup Tail Light Switch and Rebuilding Chrome Alternator TIPS
The Worst Mouse Damage TIPS
ZR-1 Differences by year TIPS
Differences between 90', 91' and 95' ZR-1s and Engines
Marc Haibeck Description of SIR Code Variances 1990-1995 ZR-1s
Valley Drain Clogged TIPS
Clutch Switch TIPS
INJ1 Fuse keeps blowing TIPS
INJ1 Fuse keeps blowing More TIPS
INJ1 Fuse
Haibeck No Start TIPS
Dreaded No Start TIPS
Suepentine Belt Lengths TIPS
The Record Run TIPS
Removing Frozen Bolts TIPS
ZR1/LT5 Search TIPS
Mercury-Built Chevrolet Corvette LT5
how often do you change your oil and other fluids
Parkerizing TIPS
Winter Storage TIPS
ZR-1 Towing Adapter TIPS
ZR-1 inspection TIPS
Initial Maintenance TIPS
Good Ole South Dakota TIPS
Front License Plates TIPS
How to Handle Speeding Tickets TIPS
Speeds At Shift Points TIPS
Engine RPM VRS Speed TIPS
ECM Interchangeability TIPS
Engine Initial Idle High TIPS
Defective Stant Thermostats
Defective Clutch Slave Cylinders
Preventing Timing Chain Failure

ENGINE ISSUES
Altitude Correction Factors for Compression Test TIPS
LT5 Modifications and Drivability TIPS
Normal Idle TIPS
Oil In Plenum TIPS
Piston Slap TIPS
Valve Guide Seals or PCV TIPS
Camshaft Sensor Code 31 TIPS
Crankshaft Sensor Testing
Blue smoke mystery
Idle troubleshooting
Fast idle
Rattle noise diagnosis
Engine running rough
Engine knock
Troubleshooting LT5
MAP sensor hose connection

MANUALS AND CALCULATION METHODS
1/4 mile Calculator TIPS
Wheel Offset Calculator
Automotive Calculators
Use of thread Lubricants and Loctite
General Bolt Length, Bolt Torque, Loctite, Sealants
Service Manual Supplement
Tech Info - LT5 Horsepower and Torque Calculations
Tech Info - ZR1 Differential Gearing and Vehicle Speed Calculations
Tech Info - ZR1 Wind Force, Rolling Resistance, Drivetrain Loss Calculations
Tech Info - LT5 Camshaft Timing Calculations
Tech Info - LT5 Pressure Drop In Oil Lines Calculations
Tech Info - LT5 RC SL4-205 injectors (500+ hp) Calculations
Tech Info - LT5 Summary of Camshaft Timing from Start to Finish
Tech Info - LT5 Timing Diagrams
Tech Info - L98 Frisbee Horsepower
Tech Info - LT5 Coolant Flow Calculations
Tech Info - Calculating Alternator Pulley Diameter
Service manuals
LT5 Service manual Supplement
iPod Touch
Ebay LT5 Service Manual

POLLS
How To Create A Poll TIPS
Secondary Leakage
ZR-1 Modifications
Classic New Owner LT5 Problems
Highest/Lowest mileage
How long have you owned a ZR1
Which brand of spark plug do you run
Who has ever hit the rev limiter
Whch oil do you use
Whch oil filter do you use
Whch battery do you have
Whch performance chip do you have
Delamination Poll
Deleted Features Poll
Best sounding exhaust
What is your color choice for LT5s
Who uses data loggers/scanner?
Which brand of street tires are you running on
Which antifreeze/coolant do you use?

TOOLS
Balancer Installation Tool
Cam Timing Pins
Kent Moore Seal Installation Tool (J-37312)
Tools to Carry in the ZR-1
Hydraulic Flaring Tool TIPS
Scanner poll
ZR-1 Towing Adapter TIPS
Tools for LT5 Mechanics TIPS
Harmonic Balancer Installation TIPS
Lost Parts......Found TIPS
Tool Rental TIPS
Using Tech 1 TIPS
Tech 1 Repairs TIPS
Lifting The LT5
Lifting the ZR-1
Pick Up Tool
Scanners
Tools for ZR1 maintenance
Camshaft manual chain tensioners
Blind hole puller Blind hole puller
Tools for porting

GENERAL
ZR1 VIDEO
Typical ZR-1 Restorations
Interior Screws/nuts, and Magnetic Sockets TIPS
Mint Condition Pre-Production LT5 TIPS
Restored Top End for 1995 TIPS
Restored Top End for Last 1990 TIPS
Differences between the 90'/91' and 95' TIPS
Genera Technical 101 TIPS
Last 1990 Sold To Public (#3032) TIPS
Showroom Flooring TIPS
Accessories TIPS
Hose Clamps, Screws/U-Nuts, Magnetic Sockets TIPS
Typical Low Mileage ZR-1 Restoration (Audio, Injectors, Starter, Clutch Hydraulics)
Technical Issues Poll
Classic Issues for New Owners Poll
The Standard ZR-1 Restoration TIPS
Making Your Own Hydraulic Lines TIPS
Engine Oil Change TIPS
Parts TIPS
HVAC Display as Digital Readout TIPS
What To Do When You Buy A ZR-1 TIPS
Dash gage readings are off TIPS
Gas without ETHANOL
Corvette Paint Codes
Car Covers
LT5 Eliminated Systems
LT5 Added Systems
ZR-1 Operational Costs TIPS
ZR1 Parts For Performance
LT5/ZR-1 Fluids
OCTANE
Corvette assembly plant VIDEO
Corvette Valley photos
LT5 cutout
LT5 assembly project
Engine cleaning
Towing Instructions
Amsoil 10W-40 (Engine)
Castrol TWS 10W-60 (Transmission)

NEW PARTS & SUPPLIES (BY MEMBERS)
Alternative Camshaft Position Sensor
Potential Fuel Pressure Regulator Solution
New Items Designed and Fabricated TIPS
Adams Premium Car Care
Haibeck Automotive Technology
Jerry's Gaskets
Jerry's PCV Connector
Carter Bling
Copland SS Air Box
cvette98pacecar Suede Headliners
LGAFF MAP Sensor Cover
LGAFF 90-95 emblems
LGAFF Tech Guides
Pete's Custom Racing Parts
Pete's Rebuilt Clutch Pressure Plates
rhipsher Reverse Lockout
VetteMed Valentine 1 Radar concealed
VetteMed Review Mirror with Compass

USED PARTS
Buying, selling, trading ZR-1 (LT-5) parts
Corvettenutz
Vette2Vette
ebay Justcorvette
Justcorvettes

USED EBAY STORE PARTS
eBay store: Corvette Salvage
ebay store: Dennys Corvettes
eBay store: Redneck43 Corvette's Store
ebay store: slick300zx
eBay store: vettepros.usa

NEW PARTS
Antenna Parts
ARP
Auto Parts Warehouse
DeWitts Radiators
Ecklers Corvette Parts
Carolina Clutch
Clarks Discount
Corvette Central
Corvette HID
Doug Ripple Motor Sports
Guldstrand Racing
Mid America
RC Injectors
Ron Davis Radiators
SAMCO hoses
Stainless Works
Ebay ZR1 SKF BR930024 Rear Wheel Hub & Bearing

REPAIRS
Marc Haibeck (Performance)
Pete's ZR-1 Garage
Cluster Repair
Doc Don's (Radio)
Factory Car Stereo Repair
ZF Doc (Transmission)
Gordon Killebrew C4 trouble shooting
Rebuilt water pump
TurnOne (Power Steering)

Last UPDATE of post 2 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:21 PM. Reason: date
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Old 08-21-2012   #3
Dynomite
 
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Posts: 3,797
Default ZR1 Electronics

Post 3 - ZR1 Electronics


TRY THESE FIRST
Check NO START Fuel or Electrical Issue
INFL REST
Electrical Connector Tools TIPS
Prom Chart TIPS
HVAC Diagnostic Codes TIPS
Removing the instrument Cluster TIPS
Trailering a ZR1 TIPS
HVAC Display Parameters TIPS
1991 ZR1 brochure
1990 ZR1 brochure
Plugs, Clutches, Other
Troubleshooting LT5
ZR1 as a daily driver
ZR1 Brochures
ZR1 reliability
LT5 Block numbers

SOLVING GENERAL TECHNICAL ISSUES
Tech1 TIPS
ALDL Error Code Flasher/Eraser TIPS
TPS Voltage Tips
Engine Hesitation with Haibeck Chip TIPS
Marc Haibeck on LT5 Eliminated Secondaries and Associated Anomalies
Check Secondary Operation with Plenum Tipped Up TIPS
HVAC Codes TIPS
No Start TIPS
Central Control Module Diagnostics TIPS
Developing miss
Cutting out under load
Slight miss
Engine noise
Full power stumble

BATTERY AND CHARGING
Battery poll
Tipping the Plenum to Remove Alternator
Alternator Replacement without Pulling Plenum TIPS
Alternator TIPS
The Battery Disconnect Switch TIPS
Quality Power Alternators TIPS
Alternator Rubber Boot Replace TIPS
How To Replace Battery TIP
Battery Connection Wrench TIP
Belt Tensioner Pulley
Serpentine Belt Path
Replacing Battery Cable Bolts
Replacing An Alternator
SYS light flashing
Roll start
Removing alternator
Ebay ZR1 Alternator
Ebay ZR1 LT5 Belt

ELECTRICAL CONNECTIONS
Manifold Pressure Differential TIPS
ECM Pin Connections Failed TIPS
AC Delco Connectors TIPS
Weatherpack Connectors TIPS
No Start Gauge Fuse TIPS
Cluster Identification TIPS
Window and AC Switch Connections TIPS
Cleaning Two Engine Block Ground Connections TIPS
Maintaining the Engine Block Ground Connections TIPS
Ground Connections TIPS
Engine Relays TIPS
Secondary Injector Drivers TIPS
Wire size capacity chart
Sensor connectors TIPS
Fuses (1991)
Weatherpack connectors
Tachometer Wire
Sources of connectors
ECM (90') pin diagram
Instrument panel wiring 90'

KEYLESS ENTRY, TACHOMETER, CRUISE
VKE-1000 system TIPS
VKE-1000 system Installation TIPS
Cruise Control Vacuum Release TIPS
Cruise Control Vacuum TIPS
Tachometer Calibration TIPS
Instrument Cluster Differences
Use of Trim Pot for Tachometer Calibration TIPS
Keyless Entry TIPS
Tachometer repair
Cruise control diagram

IGNITION
Power Key Rebuild TIPS
Power Keys 90'-95'
CMHSL LED, Full Power Key and Alternator Pulley
Secondary Injector Relays TIPS
DIS Diagnostics TIPS
Ignition System Modifications TIPS
Ignition Module Connections TIPS
Defeating VATS TIPS
Injector Fuse Pinched TIPS
No Start DIS Plug Ins TIPS
DIS Prototype TIPS
VATS
Ignition Key
VATS Time Delay
Ignition module location
VATS gotcha
Full power switch malfunction
Full power switch repair/replace
Power key rebuild
Anti-theft
Distributorless Ignition System (DIS)
DIS module correct grease
What is DIS
LT5 ignition system questions
Secondary Relay Discussion

COILS & PLUGS
Antiseize on Spark Plugs TIPS
Plug condition
Spark Plug Thread Chaser TIPS
Coils TIPS
Coil Base TIPS
Using Timing Light To Check Coils TIPS
Waste Spark Ignition TIPS
Spark Plug Wire Separators TIPS
Weak spark
Testing coils
Spark plug wire routing
Removing #8
Ebay ZR1 Spark Plugs

STARTER
Diagnosing Starter
Long Cranking
No Start Electrical Circuit Deterioration Explained
Starting Bench Testing TIPS
Starting System Schematics TIPS
Relay Locations TIPS
No Start Gauge Fuse TIPS
No Start Diagnostics TIPS
Starter Enable Relay TIPS
Starter Enable Relay Part Number TIPS
Starter Clutch Safety Switch TIPS
Intermittent No Start TIPS
Starter Electrical Connections TIPS
Starter Solenoid TIPS
Starter relay modification TIPS
Hold starter longer to prevent backfire TIPS
Starter Solenoid Rebuild TIPS
Starter Relay, Wiring Harness, and Plugs Tricks
Clutch Start Switch Linkage
No Start Clutch Switch Linkage
No start
No start cure
Starting issues
Ebay ZR1 Starter

LIGHTS
Headlight door motor bushings Video
Head Light Parts TIPS
Electric Window Switch Lights TIPS
Headlight Motor Aluminum Gear TIPS
Installing HID Driving Lights TIPS
Installing HID Fog Lights TIPS
Headlight door motor bushings
Headlight motor gear box
Backup Tail Light Switch
CMHSL LED install on my ZR-1
HID Install
HID Tail Lights
Headlight Motor Clicking
Euro Tail Lights Install
HID Head Lights
CHMSL LED
Installing CHMSL LED
CHMSL switch
CHMSL Wag
Back up lights conversion to 50W

SENSORS
ALDL Fault Codes TIPS
ALDL Fault Code Erasing TIPS
INFL REST Connectors Inside Car TIPS
INFL REST Codes TIPS
Upgraded INFL REST Code Clearing TIPS
Changing the Passenger Side O2 Sensor TIPS
Using Tech 1 TIPS
Service Bulletin for SIR TIPS
MAP Sensor Hose Fix TIPS
Crankshaft Sensor Testing TIPS
Oil Level Sensor TIPS
INFL REST FIX TIPS
INFLREST" and "SEATBELT Trouble Lights
Crank shaft position (93' no start)
EVAP Purge Solenoid
MAP sensor/hose location 90'
MAP sensor hose disconnected
Knock sensor testing
Knock sensor
TPS voltage reading
Throttle position sensor voltage
Replacing O2 sensors
O2 sensor with SW headers

CCM
Diagnostic Trouble Codes TIPS
Marc Haibeck code reading
Central Control Module Diagnostics TIPS
What is the CCM
Reading CCM codes paper clip
CCM Code 54
CCM interchangeability
Inflatable Restraint diagnostics

SRC
Marc Haibeck code reading
SRC Codes and Clearing SRC TIPS
Service Ride Control codes TIPS
ABS codes TIPS

ECM
Diagnostic Trouble Codes TIPS
GM Trouble Code Info TIPS
Marc Haibeck code reading
Closed Loop and Open Loop TIPS
ECM Interchangeability TIPS
ALDL Pin Out TIPS
Electronic Control Module Schematic TIPS
Electronic Control Module P/Ns TIPS
Electronic Control Module Codes TIPS
ECM Repair TIPS
GM codes
Fuel Trim and Closed/Open Loop Operation
ECM Chip and Other Electrical Connectors
ZR1 ECM CODES 1990 TO 1992
ECM (90') plug pins printout
Reading ECM codes paper clip
ALDL plug
ECM Repairs
ECMs and sensors

ECM MODIFICATIONS
Megasquirt Manual
Megasquirt
Chip poll
Identification of Stock Chips TIPS
Interchangeability of Chips in ECMs TIPS
Prom tuning guide
Chip Removal
Chips
Tuning
LS1 (411) PCM swap
Marc Haibeck (Performance)

DIAGNOSING ECM CODES
Using Tech 1 TIPS
ALDL Error Code Flasher/Eraser TIPS
Marc Haibeck code reading
Clearing Codes
Codes
Code 9 Low freon
Code 12 normal
Code 16 DIS system fault
Code 21 Throttle position
Code 23 Vehicle speed
Code 24 Speed sensor
Code 31 Cam sensor
Code 32 EGR
Code 33 MAP sensor hose
Code 41 ECM/CCM error
Code 41 Bad ECM
Code 41 ECM Troubleshooting
Code 42 Electronic Spark Timing (EST)
Code 43 knock sensor
Code 44 Oxygen Sensor (Left Bank Lean)
Code 45 Oxygen Sensor (Left Bank Rich)
See ECM Code #52 Item #3. ZR1 ECM CODES 1990-
Code 55 Lean 02
Code 56 Vacuum pump
Code 61 Vacuum/MAP sensors
Code 61 secondary vac solenoid
Code 63 Oxygen sensor
Code 63 Right Oxygen Sensor Circuit Open
Code 64 Right Oxygen Sensor (Right Bank Lean)
Code 65 Right Oxygen Sensor (Right Bank Rich)

Last UPDATE of post 3 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:20 PM.
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Old 08-21-2012   #4
Dynomite
 
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Posts: 3,797
Default ZR1 Engine

Post 4 - ZR1 Engine

FRONT COVER AND TIMING CHAINS
Belt Tensioner Failures
Rebuilding the Belt Tensioner TIPS
Front cover shaft seal installation
Installing Serpentine Belt
Timing chain guide LH picture
Timing chains and guides installed
Chain guide replacement
Timing chain, sprockets and guides
Timing chain failure
Timing Chain failure explained

TORSIONAL DAMPENER
Belt Tensioner Pulley
Rebuilding Belt Tensioner Pulley TIPS
Harmonic Balancer Failure TIPS
Harmonic Balancer Pin Pulling Tool
ATI torsional dampener
Serpentine belt

ENGINE
LT5 engine Dipstick
Restored running engine VIDEO
Top End Gaskets TIPS
Differences between 90', 91' and 95' Crate Engine Plenums and IHs TIPS
LT5 Horsepower and Torque Calculations TIPS
Rebuilt exchange engines TIPS
Tech Info - LT5 Horsepower and Torque Calculations
LT5 Eliminated Systems
LT5 Added Systems
LT5 New Rebuild Issues
LT5 Block (375 vrs 405)
Engine mounts
Engine mount heat shields
LT5 assembly project
Block tear down
Crankcase ventilation cover
Brake Mean Effective Pressure
Engine cleaning
Ebay ZR1 LT5 Engine

ENGINE REMOVAL AND INSTALLATION
Jacking engine TIPS
Engine removal sequence pictures
Engine Installation
Engine removal
Engine mounts
Replacing motor mount covers
First engine pull
Engine Removal

HEADS
LT5 Heads TIPS
LT5 Valve and Head Reconditioning TIPS
Piston CC TIPS
Pulling the Engine for Head Work TIPS
Birmal or Dunn heads
Birmal and Dunn Heads
Compression tests
Header stud oil leak

VALVES AND LIFTERS
LT5 Valve and Head Reconditioning TIPS
Lifters Resurfacing TIPS
Lifters TIPS
Tech Info - LT5 New Rebuild Issues (Lifters, Camshafts, and Valves)
Lifters
Valve Stem Clearance Measurement Tool
Valve Stem Clearance Measurements For Regrind Camshafts using Mellings JB 2236 Lifter
Valve Stem Clearance Measurements For Stock Camshafts using Mellings JB 2236 Lifters
L98 Valve Adjustment
JB2236

THROTTLE BODY AND AIR INTAKE
Air Filter Installation
Idle Air Screw TIPS
Air Idle Adjustment TIPS
Throttle Position Sensor Diagnoses TIPS
TB Photos TIPS
TB Coolant Discussion TIPS
TB Stuck at WOT TIPS
Low Idle Speed TIPS
Idle Air Control (IAC) cleaning TIPS
Stainless Steel Air Box and Air Filter (L98 and LT5)
Throttle Body TPS connector tool
Throttle Body Blades Sticking
Throttle body issues
Throttle body adjustment (with ASR)
TPS Adjustment
Cruise Control Function Issues
Ebay ZR1 LT5 Throttle Body

PLENUM
Push Connect Flare Fittings TIPS
Eliminating EGR on 93'-95' LT5s TIPS
Difference between 90' and Later Plenums TIPS
The 10 Minute Plenum Removal TIPS
Removing Pressed In Fittings from Plenum TIPS
Removing The Plenum to Change Fuel Injectors TIPS
Plenum pull TIPS
Plenum Removal Simplified TIPS
LT5 IH, Fuel Rails, Plenum Install Tricks
Under the Plenum TIPS
Removing Plenum (including the 10 minute Plenum Removal)
Plenum pull questons
Plenum pull tools and parts
Plenum pull parts
Under the plenum
Plenum bolts install

INJECTOR HOUSING
Injector housing coolant manifold removal (heat) TIPS
Adapting 91' IH to 90' Heads (item #6) TIPS
Injector and Secondary failure signs TIPS
Coolant Temperature Sensors TIPS
91 Injector Housing modifications for 90 Heads TIPS
Secondary actuator check pdf
PCV Differences between 90 and 91 Injector Housings
Non operating secondaries
Oil in injector housing
Oil catch can source

INJECTORS
Changing Fuel Injectors TIPS
Bad injector/burnt valves TIPS
Secondary Injector Drivers TIPS
Checking Injector Resistance with Plenum in Place TIPS
RC Injectors
Fuel injector testing electrical
Fuel injector testing pressurized
Bad injectors

SECONDARIES
Secondary Injector Relays TIPS
Having an Operational Secondary Full Power Switch TIPS
What Conditions Allow/Cause Secondaries to Open TIPS
Secondary Functional Test and Reconditioning the Secondary Actuators TIPS
Secondary Failure at 5K rpm
Removing Secondary Shafts Engine In Car TIPS
Secondary Canister Installation FACTS TIPS
Removing Secondaries TIPS
Removing Secondary Vacuum System Questions TIPS
Secondary Canister Installation TIPS
Secondary Removal TIPS
Secondary actuator operation VIDEO
Secondary Vacuum Reservoir Source TIPS
Secondary port vacuum diagnosis TIPS
Eliminated Secondary Throttles/shafts Tricks
Secondary vaccum system removal
Secondaries removed picture
Remove secondary throttle plates and shafts
Dorman plug for removed secondary throttle shafts
Secondary failure
Upsidedown Secondaries
Secondary cannister failure
Ebay ZR1 LT5 Secondary

VACUUM SYSTEM
New Secondary Port Throttle Vacuum System
Vacuum Pump Fuse TIPS
Vacuum Systems 90' and 91' (Secondary and Cruize/HVAC) TIPS
Checking for Vacuum Leaks TIPS
Failed Vacuum Check Valve TIPS
Finding Vacuum Leak TIPS
Condition of Secondary Vacuum System TIPS
Vacuum Pump Taken Apart TIPS
Differential Pressure Switch Function TIPS
Secondary Vacuum Removal TIPS
HVAC, Brake Booster, and Purge Vacuum Leaks TIPS
Secondary Vacuum Reservoir Source TIPS
Vacuum testing
Secondary port vacuum diagnosis
Secondary diagnosis
Vacuum solenoid
Cruise Control Vacuum
Cruise Control Inoperable Diagnostics
Secondary vacuum diagram
Vacuum pump malfunction
Non operating secondaries
Vacuum pump vendor
Vacuum solenoid conversion
Check valve under plenum

CAM COVERS
Removing and Painting Cam Covers TIPS
Removing Cam Cover Bolts the Hard Way TIPS
Chain guide maintenance TIPS
Ticking Sound Under The Cam Covers TIPS
Cam Cover Filters
Cam Cover Installation Tricks
Removing cam cover bolts
Cam cover bolt removal tools
Cam cover dowty washers
Cam cover sealant A136

CAMSHAFT
Leaky Camshaft Sensor
Twisted Camshaft
Valve Stem Clearance Measurements
Camshaft Timing
Rookie Camshaft Installation
Camshaft Regrinds, Lifters, Valves, and Camshaft Timing
Camshaft Sensor TIPS
Cam position sensor oil leak
Camshaft follower design
Camshaft timing tools
Custom cams
Camshaft plugs
Reground camshafts (2500 miles)
Regrind camshafts
Camshaft specs

CAMSHAFT BOLTS, CLAMPS, RETAINERS
Installing camshaft bolts TIPS
Camshaft Sprocket Bolts TIPS
Camshaft Billet Retainers TIPS
Camshaft replacement retainers
Locking down the camshaft bolts

CHAIN TENSIONERS AND GUIDES
Chain Guide Replacement TIPS
Upper Chain Guide Failures TIPS
Secondary Chain Guide Rattle TIPS
Timing Chain Guide Wear TIPS
Resetting timing chain tensioner TIPS
Secondary Chain Guide Rattle TIPS
PCV system and Timing Chain Wear Strips
Installing chain guides
Always reset chain tensioners
Chain tensioner unloader
Updated chain tensioner RH
Camshaft chain guide wear
Timing chain guide bolts
New style chain tensioner
RH Chain Tensioner housing
Upgraded chain tensioner housing impressions
Chain guide wear strips
Upgraded RH chain tensioner housing

CAMSHAFT TIMING USING PINS
Camshaft timing event picture

CAMSHAFT TIMING USING DEGREE WHEEL
Camshaft timing TIPS
Dial gage holder TIPS
LT5 Camshaft Specifications and Camshaft Timing Tricks
Camshaft Timing
Tech Info - LT5 Summary of Camshaft Timing from Start to Finish
Tech Info - LT5 Timing Diagrams
Tech Info - LT5 Camshaft Timing and Timing Chain Calculations
Setting/Installing the Chain Tensioners and Timing Chain Tricks
Camshaft timing optimum deg
Cam timing
First attempt at camshaft timing

ENGINE LOWER END
Lower End Rebuild TIPS
Lower End Bolt Torque TIPS
Lower End Basics TIPS
Reuse of Main Bearing Cap Bolts TIPS
Engine Liners
Priming Lubrication System
Rebuilding Lower End
Connecting Rods
Main Bearing Cap Bolts

Last UPDATE of post 4 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:20 PM.
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Old 08-21-2012   #5
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Default ZR1 Drive Train

Post 5 - ZR1 Drive Train


FLYWHEEL
Flywheel poll
Duel Mass Flywheel Installation
Aluminum Flywheel HP Gains are Dynamic Only TIPS
Dynamic HP TIPS
Flywheel Trim Weights TIPS
Replacing Trim Weights in DMFW
Fidanza and Components
Flywheel check
Fidanza (flywheel/clutch plate)
Unsprung clutch with Fidanza
Sprung clutch with Fidanza
Pressure plate bolts
Pressure plate bolt guide
Dual mass flywheel purpose
Balancing
New Flywheel balancing

CLUTCH
Clutch Hydraulic Line
Clutch Plate TIPS
Clutch Switch TIPS
RAM Clutch Review TIPS
Clutch Fork Pivot Stud Allen Head Size TIPS
Clutch Kit TIPS
Clutch Fork Failure Issues TIPS
Clutch Fork
Clutch FAQ
Clutch Start Switch
Clutch Start Switch Modifications
Using a L98 Pressure Plate on an LT5
Clutch pressure plate wear pattern
Clutch replacement issues
Carolina Stage 2
Spec stage 3 & sprung hub
Spec stage 3 picture
Clutch safety switch
Clutch switch bypass
Correct Center Force clutch disc
Unsprung clutch with roller bearing Pilot
Clutch hydraulic hose restriction
Power Torque Systems
Ebay ZR1 Corvette Clutch

CLUTCH MASTER/SLAVE
Clutch slave issues
Clutch Master Cylinder
Clutch Master and Clutch Slave Rebuild TIPS
Clutch Fluid Contaminated TIPS
Getting the Air Out of the Clutch Hydraulics TIPS
Master/slave replacement
Bleeding the clutch slave
Power Torque Systems
Ebay ZR1 Clutch Cylinder

TRANSMISSION
Rockland Standard Gear
Throwout Bearing and Pilot Bearing TIPS
Pilot Bearing Failure TIPS
Removing Transmission Plugs TIPS
Zf S6-40 Parts TIPS
Pilot Bearing Depth TIPS
Rebuild or Replace TIPS
Speeds At Shift Points TIPS
Speeds At RPMs TIPS
Throwout Bearing Source TIPS
Transmission Fill/Drain Plug Source TIPS
Transmission Removal/Install TIPS
ZF S6-40 Transmission specifications
Pilot Bearing
ZR-1 Transmission Install and Lift Tricks
Vibration Issues Diagnosis
Throwout Bearings
C4 beam plates
Reverse Lamp Switch
ZFdoc and Reverse Gear Siezures
ZF S6-40 Transimission pictures
Transmission install locater pins
Allen wrench for fill plugs
ZF Shifter modifications
Shift light
Shift light install
Gear rattle
Pilot bearing replace
Pilot bearing removal tool
Shift light
ZF Doc (Transmission)

TRANSMISSION OIL
Zf S6-40 Oil TIPS
Castrol Edge Comparisons TIPS
Castrol TWS 10W-60 (Transmission)

DRIVE SHAFT (INCLUDING HALF SHAFT)
Sharp Clicking Rear Axle
Half Shaft U-Joints TIPS
Universal Joints TIPS
Rear Spline Rust TIPS
C4 Beam Plates TIPS
Align drive train TIPS
Align drive train sketch TIPS
Align "C" Beam TIPS
Half Shaft TIPS
Universal Joints Source
Loose Axle Nuts
Driveshaft vibration
"C" Beam removal and install
"C" Beam removal pictures
C4 Beam Plates explained
Half shaft noise
U-Joints
C4 Beam Plates

DIFFERENTIAL
Clutch and Differential Upgrade TIPS
Differential Gear Ratio TIPS
Jeep D44 4.10 Gears
LT5 Added Systems (Differential Case Drain)
Clicking and rust on Spindle Shaft TIPS
LT5 Engine and Differential Lubrication Discussion TIPS
Dana 44HD TIPS
Going from 3:45 to 4:10 Differential
Differential case drain
Less intrusive differential case drain
Differential removal
Differential fluid change
4.10 gears pictures
Viper gears
Viper Parts
Dana 44

WHEELS
Wheels
C4 Corvette Wheel Alignment and Wilwood 6 Piston Brakes
C4 Corvette Wheel Information TIPS
Advanced Street Alignment TIPS
Front End Alignment TIPS
A-Mold Identification TIPS
Rear Axle Nut Torque TIPS
Reproduction wheel issues TIPS
Toe, caster, camber TIPS
Wheel Repair TIPS
Wheel Bearings TIPS
Wheel Technical Information
Wheel Rim modifications
Wheel spacers
Dymag wheels
Rear wheel bearing removal
Rear wheel bearing
Wheel alignment street 89-93
Wheel Toe in
Adjusting rear wheel Camber & Toe In
Aftermarket Wheel considerations
Wheel Offset Calculator
Ebay ZR1 SKF BR930024 Rear Wheel Hub & Bearing

TIRES
Tire Dimensions
ASR 92'-95' TIPS
Original Tire Pressure Gauge TIPS
Tire Pressure Gauge TIPS
Nitto Drag Radials Usage TIPS
Tires and Selective Ride Control
315 vrs 335
What is ASR
Tire sensor
Tires
Drag Radial test
AFS Wheels
Discount Tire

BRAKES
C4 ABS TIPS
Brake Pad TIPS
Rebuilt Master Brake Cylinders TIPS
Brake System Myths TIPS
LT5 Final Inspection including Brake Tricks
ABS Code - Definition
ABS relay (89'-91' Zs) modification
Rear caliper rebuild
Caliper rebuild part numbers
ABS light on
ABS system
Brake fluid facts
ABS wiring issue
Ebay ZR1 Brake Pads

BRAKE UPGRADES
Basic Brake Upgrade TIPS
C6 Z06 Upgrade TIPS
Brake brackets C4 to C5/C6 conversion
Brake adapters installation
Brakes That Will Stop a Freight Train
ZR-1 (90' and 91') Wilwood Rotors and C4 to C5-Z06 Conversion
Brake upgrade
MovIt
MoveIt Pictures
C5/C6 Brake installation on 90' ZR1
C6 Calipers on 94' ZR1
Installed Baer 6P brakes

SUSPENSION
Bilstein Shock Designations TIPS
No Flex Frame Stiffener TIPS
Bilstein Shock Applications TIPS
Selective Ride Control Solution TIPS
Bilstein Shock Applications and Self Alignment TIPS
Bilstein Shock Actuator Part Numbers TIPS
Service Ride Control Codes TIPS
FX-3 shock Rebuild TIPS
Revalving and Painting Bilsteins TIPS
Clearing Service Ride Control Codes TIPS
Disconnect Ride Control TIPS
FX-3 Performance TIPS
Rear Shocks Replace TIPS
Front Shock Change TIPS
Rear Shock Change TIPS
FX3 Selective Rid Control TIPS
FX3 Actuator Rebuild TIPS
eshocks
Bilstein Shocks
Bilstein Shock Gear Differences
DRM Coil Overs
Rear suspension pictures
Coil over technology
Coil over installation
Coil over springs
Coil over rear top brackets
Rear suspension
Rear coil over
DRM coil over pictures
Banski kit
Vansteel coil overs

BUSHINGS, BRACES, SRC
Rubber Bushing Kit
New bushings on rear cam rods VIDEO
Ball Joint Replace Set Up TIPS
Camber brace
Lower A Arm bushings
Upper and Lower A-Arm Bushings
Replacing all bushings
Rubber bushing kit
C4 Frame brace
Service ride control time out
Service ride control codes

STEERING
90-95 Power Steering Pumps Are ZR-1 Specific
Power Steering Pump Repair Kit
Replacing Power Steering Pump TIPS
Make Your Own Power Steering Lines TIPS
Sources of Fittings for Power Steering Lines TIPS
Loose steering column TIPS
Dimmer Switch TIPS
Replacing tie rods
Tie rod dust boots
Rubber bushing kit
Tilt Steering column wobbling
Removing air bag
TurnOne

Last UPDATE of post 5 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:19 PM.
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Old 08-21-2012   #6
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Default ZR1 Engine Fuel, Lubrication, Cooling, and Exhaust

Post 6 - ZR1 Engine Fuel, Lubrication, Cooling, and Exhaust

FUEL DELIVERY
Replacing Fuel Pumps
Fuel Pump Removal
Ohm Injectors HOT TIPS
Fuel Pump Testing TIPS
Fuel Pump Install TIPS
Fuel Tank Gasket and Boot TIPS
Fuel Pump Jumper TIPS
Least Expensive Fuel Pumps TIPS
Fuel Pump Option TIPS
Difference between 90' and 91' Evap Purge TIPS
Fuel Injector Resistance Plenum In Place TIPS
Primary Fuel Pump Failure TIPS
Changing Fuel Injectors TIPS
Fuel pump test connector TIPS
Fuel Pump Testing TIPS
Fuel Pump replacement using Bosch 69225 TIPS
Fuel Pump Bypass Switch TIPS
Fuel Injector Offset TIPS
L98 Disabling DFCO
One more fuel pump source
Fuel pump sender
Fuel pump replace
Fuel filter
Cranks but no start
Changing fuel filter
New fuel pump pictures
Old fuel pump pictures
Fuel pump fuses
Viton seals for ethanol blends
Charcoal canister replace
Charcoal canister differences (90' and 91')
Fuel Delivery (Ethanol)

FUEL PRESSURE
The Improved LT5 Fuel Pressure Regulator
Fuel Pressure Driving TIPS
Fuel pump test connector TIPS
Fuel Pressure Drop TIPS
Delphi Fuel Pressure Regulator TIPS
Checking Fuel Pumps #1 and #2 TIPS
Checking fuel pressure key and engine off TIPS
Checking fuel pressure TIPS
Prevention of Fuel Dripping From Disconnected Fuel Lines TIPS
Fuel pressure regulator source
Hot wire fuel pump
Cleaning fuel rails
Fuel rail pressure

ENGINE LUBRICATION SYSTEM
Pre Lube ???
Change oil light reset VIDEO
Oil Temperature Control Valve
The Importance of ZDDP Debate
Billet Aluminum Oil Cooler Adapter TIPS
SS Braided Oil Cooler Hoses and Fittings
Oil leaks TIPS
The most common but most unrecognized oil leak TIPS
LT5 Engine and Differential Lubrication Discussion TIPS
Engine Lubrication System Functional Discussion TIPS
Remove Oil Pan Engine In Car TIPS
Oil Cooler Drain Plug TIPS
Oil Pans and Gaskets Differences TIPS
Engine Oil Prime TIPS
Dual Oil Filters TIPS
Oil Consumption TIPS
Engine Pre Installation Lubrication System Tricks
LT5 Lubrication Tricks
OPRV Cover Plate
Oil Cooler Connections Leaks
Oil pick up "O" ring thickness 1
Oil pick up "O" ring thickness 2
Installing New Oil Pan Gasket
New Oil Pan Gasket and Bolts
Oil pan gasket
Magnetic oil pan drain plug
Pre Lube
Change oil light reset proceedure

OIL PRESSURE
Gauge Oil Pressure Sensor Calibration TIPS
Removing Oil Pressure Switch TIPS
Oil Pressure Sensors TIPS
Engine Oil Pressure/Temperature Sensors TIPS
Oil pressure sensor location
Low oil pressure
Oil pressure switch removal
Sensor Oil leak
Mechanical oil pressure gauge

ENGINE OIL, OIL FILTER, DIP STICK
Oil poll
Oil filter poll
Changing Oil TIPS
Oil Level Sensors TIPS
Engine Oil Methology TIPS
ZDDP TIPS
Elite Engineering Oil Catch Can
Oil Dipstick Handle Replacement TIPS
L98 Oil Cooler Housing Modifications for Headers
L98 Reset Change Oil Light
Engine Oils
Changing Engine Oil
Oil Catch Can Photo
Oil Level On Dipstick
SS Dip stick Tube
Valvoline racing oil
ZDP and cam wear
ZDDP and lifter wear
FRAM TG3985 oil filter
Oil drain using MityVac
Dip stick tube seal
Dip stick bracket
Amsoil 10W-30
ZDDP
Amsoil 10W-40 (Engine)
All about motor oil

WATER PUMP
The Coolant Bypass Plug and Air Locked Water Pump TIPS
Water Pump Replace TIPS
Electric water pump TIPS
Air Locked Water Pump TIPS
Air Locked Water Pump With TB Coolant Blocked TIPS
Preventing Air Locked Water Pump
L98 Water Pump Fit
L98 Removed the Frisbee
Randy Woods thermostat
Leaking water pump fix
Water pump gasket sealant
Rebuilt water pump
Water pump bolt lengths
Ebay LT5 Water pump

ENGINE COOLANT
Antifreeze poll
Coolant TIPS
Coolant Characteristics (Mix, Pressure, Elevation) TIPS
GM 1825M Coolants TIPS
Refilling with coolant
Eliminated IH Housing and Throttle Body (TB) Coolant system
Coolant Selection Summary
NOT Dexcool
Coolant system service
Coolant refill techniques
Coolant temperature display

COOLANT SYSTEM, HOSES, LEAKS
Thermostat and Engine Cooling
LT5 Cooling and Radiators TIPS
Tool Comparison for Removing Original Coolant Hose Clamps TIPS
Removing Original Coolant Hose Clamps TIPS
Thermostat and Thermostat Housing TIPS
180 deg Thermostat vrs 160 deg Thermostat TIPS
Gates Power Grip Clamps TIPS
Replacing Coolant Hoses TIPS
Getting the Air Out Simplified TIPS
Thermostat Housing TIPS
Stant thermostats TIPS
Leaking Heater Hose TIPS
Heater Hose TIPS
Water Pump Replace TIPS
Digital Coolant Temperatures TIPS
Engine Temperatures TIPS
Coolant Temperature Sensors TIPS
Thermostat rubber seal install TIPS
Hoses TIPS
1/8 inch allen head aluminum pipe plugs
Coolant Hoses and Preventing The Air Locked Water Pump
Filling With Coolant (TB Coolant Eliminated)
LT5 Thermostat operation
LT5 Radiator and Exhaust Install Tricks
Using HVAC Display for Engine Coolant Temperature
Water Pump, Coolant Temperatures, and Coolant
Radiator Debree Screens
Getting The Air Out of the Coolant System
TB Coolant Discussion
Thermostat housings
Replacing Thermostat or Lower Radiator Hose
Thermostat modifications
Hot only at idle
TB Coolant elimination discussion
SAMCO hoses picture
Injector housing coolant leak
Ebay LT5 Thermostat
Ebay ZR1 Coolant

RADIATOR AND FANS
Radiator Rubber Mounts TIPS
Installing a Ron Davis Radiator and Testing
Keeping the LT5 Cool and Radiator Debris Screens
Fans On All The Time TIPS
Radiator Cooling Fans Operation TIPS
Primary Cooling Fan Operation Criteria TIPS
Radiator Drain TIPS
NOS Fan with Shroud TIPS
Fans controlled by AC TIPS
Make Your Own Debree Screen TIPS
Fans Operational Check
Fan Relays
Replacing radiator
Replacing radiator shroud
Removing radiator shroud
Cooling fan inputs
Debris screens
Ebay ZR1 Radiator

CA SMOG
CA SMOG TIPS
Passed CA SMOG
Finally passed CA SMOG
Failed CA SMOG
Passed CA Emissions
Approved by CA SMOG Nazi's
Finally passed emissions
CA Smog Nazi's can kiss....
More SMOG problems
Another 91' fails CA Emissions
Gross polluter ZR-1
Can't pass CA SMOG

POSITIVE CRANKCASE VENTILATION
PCV System TIPS
PCV valves sources TIPS
MAP Hose TIPS
PCV connector & MAP sensor
PCV system
PCV source
Crankcase Ventilation
PCV and Cam Cover Vents
Difference between 90' and 91' heads
Cam cover vent material
Cam cover SS vent material

EXHAUST SYSTEMS
Exhaust Manifold Bolts
Catalyst failure
Eliminating the Air Pump TIPS
Passing CA emissions TIPS
OBX Cat Back Exhaust TIPS
Corsa exhaust
Functional/Non-functional Exhaust
SW Headers ZR1CORVOR and SW Exhaust ZR1CHAMSW Tricks
L98 Air Pump Elimination
L98 Air Pump Elimination Details
Exhaust System Replace with Headers
Exhaust Headers Locking Bolt Tricks
Removing Exhaust System
L98 Installing SW Headers
Performance Exhaust systems
Ebay ZR1 Cat Back Exhaust

HEADERS
Header Install Video
Header Gaskets and Bolts TIPS
Installed SW Headers/Exhaust Photos TIPS
Installing SW Headers TIPS
L98 and LT5 Exhaust System Header Bolts
Headers install tricks
Header stud oil leak
Dip stick bracket
Stainless Works Headers flex transition
Stainless 304 vrs 409

Last UPDATE of post 6 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:19 PM.
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Old 08-23-2012   #7
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Default ZR1 Specifications, Restorations, Air, Audio, Lifts, and Road Trips

Post 7 - ZR1 Specifications, Restorations, Air, Bose Audio, Lifts

NUTS, BOLTS, HOSE & FITTINGS
Removing Broken Off Bolts
Interior Screws/nuts, and Magnetic Sockets TIPS
Stainless Braided Hose and Fittings
Loctite 262
Camshaft sprocket bolts
Stainless steel bolts
Stainless fittings
Ebay ZR1 LT5 Bolts

GASKETS & SEALANTS
Permatex Super 300 Usage TIPS
Anti Seize usage TIPS
Antiseize on Spark Plugs TIPS
Finding and Fixing oil leaks TIPS
Reusable Gaskets TIPS
O Rings sizes
Gaskets
Gaskets and sealants
Head gasket source
Perma bond A136
Ebay ZR1 LT5 Gaskets

ZR-1
The FBI Gang TIPS
ZR1 quarter mile
King of the hill
ZR1 memoir #1
ZR1 memoir #2
ZR1 Saga #1
ZR1 Saga Vets Day

ZR1 CDs
RPO LT5/CCM/Intro to LT5/ABS
ZR1 magazines
LT5 Training Videos/Tech Guides
LT5 Training Videos/Tech Guides Covers

LT5 ENGINE PHOTOS AND SPECIFICATONS
LT5 specifications
LT5 92' and 95' crate engines
Overhead picture LT5
LT5 photos
LT5 picture

RESTORATIONS & TRANSFORMATIONS
Craigs 95' Transformation TIPS
Restoration-of-steel-blue-91 TIPS
Typical Top End Restoration TIPS
Locobob Interior Restoration TIPS
1990 LT5 Top End Restoration TIPS
ZR-1/LT5 and L98 Restoration Options
Cleaning the Valley TIPS
Restoration 90' ZR1 continued TIPS
High miler TIPS
High miler update
Restoration 90' ZR1
Restoration 92' ZR1
Restoring the girl
Rebuild 1991
Engine cleaning
Show Car Displays

BLING
Billet Aluminum Oil Cooler Adapter TIPS
Billet Aluminum Dipstick Handle TIPS
Carbon Fiber Interior Trim TIPS
Carter Bling TIPS
Metal Polish Bling TIPS
Carter200 Bling
Chrome billet tail light louvers
Carter throttle body cover bling
Carter LT5 various caps bling
Carter center caps bling
Carter Brembo bling
Carter air bling
Shift knob bling

POWDER COATING
Throttle body
Top end refinishing
Emblems
How to powder coat
Sunset Powder Coating
Precision Powder Coating

PORTING (PLENUM, INJECTOR HOUSING, HEADS, HEADERS)
Locobob the Porting Guy TIPS
Porting effects
Porting examples
Head porting details
Head porting pictures
Matched porting
LT5 porting
Head porting (Dynomite)
Head porting Dyno numbers

INTERIOR
Suede Headliner TIPS
Floor Mats TIPS
95' seats in 91' TIPS
Window and AC Switch Connections TIPS
Courtesy Light restore TIPS
Interior Restoration TIPS
Interior Trim Color Touch Up TIPS
Swappable Interior Panels
Interior Carpet Glued
Headliner Repair
Seat Repair
Headliner Repair
Seatbelt Solutions
Interior
Door panel removal
Door panel repair
Brey-Krause harness bar
How to clean ZR-1 carpet
Removing center console
Lumbar pump repair
Removing carpet stains
Interior Carpet replace
Steering wheel recondition
Dynamat
Ebay Hood Insulation Retainer

AIR CONDITIONER & HEATER
Heater Core Replacement
AC Control Module Removal
Fans Do Not Shut Off TIPS
Climate Control Button Repair
HVAC Codes
Replacing the Heater Core and Heater Hose Connection
Removal of Heater Core Without Removing Dash TIPS
Removal of Heater Core TIPS
Blower Control Module TIPS
Cannot control AC Fan speed
HVAC/Climate Control Button Contact TIPS
AC Normal Low and High Side Pressures TIPS
AC Compressor Not Turning On TIPS
Solution to Evaporator Core Leaks TIPS
Heater Coolant Flow and Fittings TIPS
Air Compressor Part Numbers and Sources TIPS
AC Under Hood Fuse TIPS
R12 vrs R134a and recharging R12
HVAC Codes
HVAC Code Discussion
AC and Fan Operation
Blower Control Module
Air Compressor Not Working
Radio and Air issues
Replacing heater core
Coolant heater core replace
AC Evaporator core plugged
AC compressor clutch repair
R12 vrs R134a
Blower motors
Cleaning evaporator core

BOSE AUDIO SYSTEM
Bose Replacement Speakers
Radio Antenna Electrical Schematic
C4 Audio
Antennae Mast Repair
Factory Car Stereo Repair
Bose Speaker Amp Alternatives TIPS
Antenna Mast Repair TIPS
Antenna Delete TIPS
Antenna Grommet TIPS
CDM Removal TIPS
Satellite Radio TIPS
Bose System including speakers removal videos
Antenna Mast
Antenna mast instructions
Bose Power Antenna Bezel
Antenna Mast Part Number
Bose Speaker Amp Options TIPS
Amp Capacators
Repair/upgrade
Speaker amps on Ebay
Radio antenna
Antenna manual control
Bose speaker amplifiers
AVIC Z3 Installed
Avic D3 install
Double DIN
Antenna Parts
Doc Don's (Radio)
Ebay ZR1 Bose

EXTERIOR
Roof Panels
Windshield poll
Windshield delamination poll
Safelite Windshield Install TIPS
Windshields
Windshield Removal TIPS
Windshield wipers TIPS
Windshield Replacement TIPS
Windshield trim moulding/weatherstrip removal & reinstall TIPS
Windshield Wiper Blades TIPS
Jack in Zipper Tire Bag inside Black Plastic Bag TIPS
Car Cover TIPS
Weather stripping Source TIPS
Hood Support Source TIPS
Engine cleaning TIPS
Targa Tops TIPS
Melrose Targa Tops TIPS
Window Tinting TIPS
Hood Latch Receptacle Drain TIPS
How to Replace the Wiper Motor
Paint Spider Cracks
Paint Chip Repair
Hood Release
Windshield delamination
Top glass recondition
Repainting the Z
Windshield molding 90'
Window seals
Weather stripping
Detailing spray
Heat and sound barrier insulation
Fiberglass repair
Cleaning and polishing
Corvette Paint Codes
Hood detailing
Door ajar switch

TRIM
Shift and radio surround trim color

LIFTS
Lifting the ZR1 TIPS
Wooden Lift TIPS
Lifting and Towing the ZR-1
Using KwikLift
KwikLift Adapter
Bendpak 4 post HD-9ST
Twin post lift

ROAD TRIPS
Road Trip to Yellowstone
Road Trip to Death Valley and the Grand Canyon
Purple Zr-1 Road Trip To Utah
Road Trip Back To Alaska
Tools and Spare Parts for Long Road Trip
Road Trip to Glacier NP
Road Trip Southwest and San Diego
Road Trip Vets on Lexington
Road Trip to Canada
ZR-1 Pick Up Story
Yellowstone and Pacific Norwest Purple ZR1 Road Trip
Coast To Coast Purple ZR1 Road Trip
West Virginia Trip
Florida Trip
Alaska Trip
Canada Trip
CA Redwood Trip
CA or Bust Trip
Gatlinburg Tenn Trip

LAST BUT NOT LEAST
Winter Storage Made Simple
LT5 Registry Archive TIPS
BG 2012 Photos
Supercar Cruize to Payson
Cell phones and driving in CA
Something easy becomes a mpia
Always be nice to others
Trying to please everyone
Kludged and Ripped
Instant History
Polar Bears
The GARAGE
The SHED
What is Acceleration
CCM and CHP
Guns and Jerks
SCAMS...Beware!!

Last UPDATE of post 7 Dec, 2024

Last edited by Dynomite; 21 Hours Ago at 10:19 PM.
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Old 08-23-2012   #8
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Default ZR1 Engine (LT5) Bolts and Hydraulics

ZR1 Engine (LT5) Bolts and Hydraulics





LT5 Bolt Charts with suggested bolt torque, loctite and antiseize application information are included above. The free chart from Jerry's Gaskets which provided the basic LT5 component bolt sizes has been considerably modified into two charts above. The charts have been organized by function.

If you could only use one Tool....use the Metric Flex Head Ratchet on LT5 Nuts and Bolts.



Hydraulic Fitting Size comparison
AN (Army and Navy).....-2.........-3...........-4.........-5.........-6..........-8........-10.......-12
Tube OD (Hose ID).......1/8".......3/16"...... 1/4".......5/16".....3/8".......1/2"......5/8"......3/4"
SAE thread size...........5/16-24..3/8-24.....7/16-20..1/2-20...9/16-18..3/4-16...7/8-14..1-1/16-12
Pipe thread size (NPT)..............1/8-27.....1/4-18................3/8-18....1/2-14..............3/4-14
Metric Pipe Thread Fine........10-1.5........12-1.5....14-1.5.....16-1.5....18-1.5.....20-1.5

1/8 inch NPT Drill is 21/64 or 11/32 inch. Aluminum Allen Head 1/8 inch pipe plugs found here. Speedway Motors

Aluminum Stat-O-Seal washers with molded Buna-N inner seals are much more reliable than the more common steel stat-o-seals. If the rubber portion fails to make contact all around the port, the aluminum will act as a crush washer, providing a reliable metal to metal seal. Use them to seal screws, bolts or plumbing fittings. The Buna-N seal is resistant to petroleum fuels and oils. Pegasus Auto Racing

Stat-O-Seal Inside Diameters vs. Outside Diameters
ID Size...#6 (0.138")..#10 (3/16")...1/4"..5/16"...3/8"..7/16"..1/2"..9/16"..5/8"...3/4"...7/8"..1.00"
OD Size............ .38".......... .44".. .50".. .60"... .66".. .76"... .88"...1.06"..1.19".1.32"..1.51".1.76"

SS Braided Oil Cooler Hoses and Fittings

1. Tools.

One 10 inch cresent wrench (Box Wrench is best), One vice, Air compressor, Angle Grinder (with Cut Off wheel). The best tool for cutting the SS Braided Hose is a Small Angle Grinder (with Cut Off wheel) which does not fray the SS braids on the hose ends. It is also best to use an appropriate size Box Wrench on the Hose Fittings (box end) to minimize leaving marks on the fittings. I use Aeroquip Reusable Fittings and SS Braided hose from Summit Racing.



To remove existing 12AN x 3/4 NPT fittings from the Oil Filter Housing use a 1 inch box wrench (combination box/open end) with the box end on the fitting interlocked with a 3/4 inch box wrench on the other end. This will provide the leverage/torque without excessive horizontal pressure to remove the fittings. I use permatex when installing the New 10AN x 3/4 inch NPT fittings into the Oil Filter Adapter (lower fitting first). Let the ZR-1 sit over night before removing the existing Oil Cooler Hoses to minimize oil spilling.

Use of 10AN Hose/Fittings

I use all 10AN Aeroquip Reusable Fittings and 10AN Hose....The 10AN SS Braided hose I use has ID of 9/16 inch and the 12 AN SS Braided Hose has ID 5/8 inch. As it turns out.....the 12AN hose with 5/8 inch ID is identical to stock Oil Cooler Hose having ID of 5/8 inch. Also I noted the ID Fittings on the stock Oil Cooler Hoses on the Oil Cooler end where the tubing is located is less ID than the SS Braided 10AN Oil Lines.

The Stock Oil Cooler hoses have 6 inches of steel tubing on Oil Cooler end that are identical in ID (9/16 inch) to SS Braided 10AN. Further, the Stock Oil Cooler hoses are 17 inches long as compared to 13 inches long for SS Braided Oil Cooler Hoses. The Oil Filter Adapter end of the Stock Oil Cooler hoses is only about 1/2 inch ID at the fittings. Which if you add all that up I would say the total head loss in the stock Oil Cooler hoses is about identical to the SS Braided 10AN with Aeroquip 10AN Fittings.

2. Measuring SS Braided Hose Length.

A. Follow Step #3 below and make up one end of each SS Braided Hose (cut longer than required to reach the Oil Cooler Adapter) with the 45 degree Aeroquip Reusable Hose Ends.
B. Install and snug up but not tight the 45 degree Aeroquip 10AN Hose ends onto the 10AN x 3/4 inch NPT fittings installed into the Oil Filter Adapter.
C. Take the free SS Braided Hose ends curved freely around the radiator housing as they would look in the final installation. Mark the SS Braided Free Hose Ends along Red Line A and Red Line B as shown.
D. Cut these Hose Ends about 1/4 inch longer than that mark.
E. Install the 90 degree Aeroquip 10AN hose ends as in step #3 below.
F. After installation of all four 10AN Aeroquip hose ends is complete, install the 90 degree hose ends on the Oil Cooler Adapter.
G. Tighten the 10AN Fittings into the Oil Cooler Adapter (18mm x 1.5 or 6AN Straight Fittings).
H. Tighten the 10AN 90 degree Aeroquip Fittings onto the 10AN male fittings of the Oil Cooler Adapter at the angles shown by CD and EF.
Make sure there is a small gap between the bottom 10AN 90 Degree Fitting and the AC Line and the two 10AN 90 degree fittings (top and bottom)
I. Install the other end of the SS Braided Hoses 45 degree Aeroquip Fittings onto the respective Oil Filter Adapter male fittings and tighten.
J. Now making sure the "O" rings are in place on the Oil Cooler Adapter (I use Permatex on the adapter "O" ring face), position and the adapter on the face of the Oil Cooler and insert the 6mm x 1.0 x 35 mm SS Allen head bolt with SS washer into the Oil Cooler Adapter and tighten the bolt. No modification of the Fiberglass Radiator Housing is required since the Oil Cooler Adapter is installed on the Oil Cooler AFTER the fittings are connected and tightened on the Oil Cooler Adapter.



3. General SS Hose Assembly with Re-Usable Fittings.

A. Place SS Braided hose in vice and cut SS Braided hose to length using Angle Grinder with Cut Off wheel. Angle grinder is preferred since minimal SS wires are left free of the cut.
B. Make sure NO SS Braided wires enter the hose end and make sure ALL loose SS Braided wires are ground flush with end of hose. Keep the hose in the vice with about 2 inches on the free end out of the vice. (Clean the inside of the hose end Cut Off before going further with Cotton Cue Tip .
C. Take the AN reusable hose fitting and unscrew the male part from the female part. The other end of the male part will have an NPT pipe thread or "O" ring seal thread size (AN) as desired.
D. Take the AN reusable hose fitting female part and screw/push onto the SS Braided hose (counterclockwise) by hand pushing onto the hose as you rotate the female hose fitting counterclockwise. Aeroquip Nickel Plated Aluminum Reusable Fittings are not threaded but ARE serrated requiring a push onto the hose only. Make sure ALL SS Braids are inside the hose fitting just pushed onto the hose.
E. Screw/push the AN female reusable hose fitting onto the hose fitting such that the hose is at a depth into the female fitting as defined by the lines on the female fitting surface.
F. Lubricate the inside diameter of the SS Braided hose with oil through the end of the female fitting.
G. Insert the male reusable hose fitting into the lubricated hose through the end of the female fitting.
H. Push the male fitting into the hose as you rotate the male fitting clockwise using a cresent wrench (Box Wrench preferred). Once the threads are caught, continue rotating the male fitting into the hose untill approximately 1/16 inch space is left between the hexigon of the male fitting and female fitting.
I. Install the second hydraulic reusable hose fitting on the other end of the hose as per steps 2 through 8 above.
J. Last...but not least....take an air hose (Air Compressor) and blow the hose clear to make sure you have a clean assembly (if the SS Braided hose is not too long look through the hose end to end for any debree). You now have a SS Braided hydraulic hose with fittings good for maybe 2,000 psi hydraulic pressure more or less.

4. Parts Required for SS Braided Oil Cooler Lines with Re-Usable Fittings.

The SS Oil Cooler Lines are very easy to make up in SS Braided hose using Aeroquip reusable fittings and SS Braided hose available from Summit Racing. The Aeroquip Fittings are Swivel so self aligning when installing.

A. Use two 10 AN Stainless Steel Braided hose
B. use two Aeroquip Reusable Hose Ends, 90 Degree, -10 AN Hose to Female -10 AN, Aluminum, Nickel Plated
C. Use two Aeroquip Reusable Hose Ends, 45 Degree, -10 AN Hose to Female -10 AN, Aluminum, Nickel Plated
D. On the Oil Filter Adapter remove the 12 AN Flare fittings Trick to Remove the 12 AN Flare Fittings and use two 10AN Flare to 3/4 inch NPT
E. Oil Cooler Adapter
With the secondchance design use one "O" ring on each 10 AN Flare fitting with 18x1.5 metric thread.
With the Jeffvette design use one Stat-O-Seal, 5/8 in Inside Diameter, Aluminum with O-Ring on each 10 AN to 3/8" BSPP Straight Adapter.
F. One 6mm x 1.0 x 35 mm SS Allen head bolt
G. One 6 mm SS washer
H. Two "O" rings for the Aluminum adapter manifold to oil cooler interface.

The first seven items can be found at Summit Racing.

Secondchance Design of Oil Cooler Adapter..................Jeffvette Design of Oil Cooler Adapter





I have never had one of these hydraulic lines with Aeroquip Reusable Fittings leak and they are much much tougher than original crimped fittings and easily replaced or adjusted if you want to at some point make them longer or shorter (the fittings are reusable and swivel). And......you will find a much better routing of the lines if you make them yourself by looking at the routing of the existing Hydraulic Lines. The Aeroquip Reusable Fittings come in all sizes and angles to fit any situation. You can make your own oil cooler lines as shown here and Power Steering Lines or any other hydraulic line you might need on the ZR-1.

As an aside, I use the similar Aeroquip reusable fittings and Aeroquip 1509 hydraulic hose on all my farm implements and tractors. I make up all my implement hydraulic lines often replacing relatively new lines that come with the implements with my own lines that are much more dependable under extreme usage. We are talking hydraulic pressures over 2,000 psi on the hydraulics of some of these implements when the cylinders reach the stops.

Once you experiment with making your own hydraulic lines with some using SS Braided hose you will never look back at buying ready made hydraulic lines again. All you need is a vice, hand grinder (or even a hack saw will work), and a couple box wrenches of appropriate size. Oh...and an air compressor to blow clean the lines after assembly.



See SS Braided Oil Cooler Hoses and Fittings

Last UPDATE of post 8 July, 2024

Last edited by Dynomite; 06-28-2024 at 09:39 PM.
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Old 08-23-2012   #9
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Default New Secondary Port Throttle Vacuum System for 1990-1995

New Secondary Port Throttle Vacuum System for 1990-1995.


See.......Post 234 - Installation of New Secondary Port Vacuum System hoses

This complete NEW vacuum system designed for the 93'-95' can be installed on a 1990-1995 ZR-1. For 1990-1992 this can be accomplished by substituting the longer Manifold Differential Pressure vacuum line on the original 1990-1992 ZR-1 Vacuum System for the shorter curled MDP Vacuum line in the New 93'-95' Secondary Port Throttle Vacuum System.

The New vacuum system connectors are New soft rubber and easy to disconnect connectors which are very tight (just twist the plastic tube back and forth and they will let loose). The Original hard rubber connectors are impossible to disconnect without cutting the connector lengthwise (with razor blade) to remove the plastic tube.



The Tee (T) was moved and a 1 inch long 1/8" Fuel Line PCV/EEC (SAE 30R7 obtained at O'Reillys) was used as a splice where the T was located.

The Stock MDP Vacuum Line was used and added to the New Secondary Vacuum System. I replaced the stock L fitting with the New L fitting removed when T was re-installed for the Drivers Side Secondary Canister.

In this case I also used the Stock line with New L fitting from the check valve to the Vacuum Pump line as that Stock line was just a bit longer




Went for a test drive with the 1990 and ALL is perfect



These New Secondary Vacuum Systems for 93'-95 which can easily be modified for 1990-1992s are offered on Ebay for $100 but one can buy them with an offer for less

New Secondary Vacuum System




Last UPDATE of post 9 July, 2024

Last edited by Dynomite; 06-28-2024 at 09:39 PM.
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Old 08-23-2012   #10
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Default Phil's (Jagdpanzer) Fuel Pressure Regulator Solution

Phil's (Jagdpanzer) Fuel Pressure Regulator Solution

1990 ZR-1 #72 with the IFPR





I see no issues for long term use as I have now tested three IFPR (2-1990 and 1-1995) with over 300 operating miles. It will now be so easy to change out Delphi FPR removing failed Delphi (may never fail once installed) or change out the Dephi (for higher pressure or lower pressure Dephi) from the Modified Stock FPR Housing which take only a couple minutes (release fuel pressure in Fuel Rails first). I have installed one Prototype IFPR and two Production IFPR with the same results.....NO LEAKS and PERFECT Performance under ALL Driving Conditions.


The Delphi FP10016 is NOT modified in this Application......there are five items that come with the Delphi FP10016 (Plastic Adapter, Screen and snap ring with two additional sliders) that Phil does NOT use.

Phil has eliminated the plastic ring, the screen and the snap ring and is using the "O" rings.


See The Improved LT5 Fuel Pressure Regulator

Pulling the Plenum for most is a BIG deal and most often the Plenum is Pulled to fix a No Start Situation, an Alternator or to replace Injectors. I would say if you recondition your Starter and/or install a reconditioned Alternator or New Injectors...
then also install the Improved Fuel Pressure Regulator at the same time


Post 281 - The Improved LT5 Fuel Pressure Regulator

Post 282 Changing Out Improved Fuel Pressure Regulator (IFPR)

Last UPDATE of post 10 Feb, 2024

Last edited by Dynomite; 02-22-2024 at 10:36 PM.
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