[Dynomite]

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 May, 2024