- How do you clear DTC codes?
- oil filter housing
- O2 Sensor Plug
- what can be largest wheels size on zzzzzzz
- LT5 Ignition System Questions
- Rear Spring Shims
- PKE how to get back into Passive mode?
- Size of oil cooler fittings at filter housing?
- need a part number for the power steering return line
- LT5 Ignition Systems Question???
- Lumbar pump repair
- Beam plate torque
- Cannot clear SIR lights (seat belt and INFL REST)
- Somebody reassure me
- Tensioner Question
- ECM # Question
- Cam Positioning Sensor Removal
- My latest stupid question
- Speedometer Correction Gear removal
- Muffler Bracket Bolts
- Passed CA Emissions
- going to respray....what paint?
- Removing the ECM Case
- Stock Exhaust Header Re-Install
- Full Power Light blinks on and off 1990 Model
- INFL REST light on
- Dashboard lights...
- My Father Just passed away I need help ASAP would like to have his ZR1 in the Funeral
- Plenum porting surface roughness question
- oil drain plug?
- Where to buy clutch slave and clutch master cylinder?
- Fluidyne Radiator ?
- Ceramic Coating shop in MO or close?
- Plenum pull: draining coolant?
- Harmonic balancer rebuilder
- DIS units??
- Ride and suspension questions
- Plenum Pull: gunk in runners?
- Removing the Front Bumper
- Plenum Pull: problems and questions
- Stock IH vs Siamese
- quick questionon FX3 shocks....
- Time to replace the water pump.
- LT5 idle strategy (1991)
- Any idea?
- 1991 slave cylinder large vs. small bore
- Crankshaft Position Sensor
- Open all the doors to put on a lift?
- Gauge Cluster
- Drivers Side Camshaft Cover
- Brembo Brakes Wheel Offset
- Dilemma
- Looking for an easy answer to a stupid question
- wipers just stopped
- Plenum Pull What all do I Need?
- need brake system help 94 zr-1
- More occasional no start issues.
- Tuning Rosa Nero
- Serp belt drive noise?
- -=JEFF=- CMHSL LED installed Pics
- RH upgraded Cam tensioner impressions
- Raptor Shift light impressions Single Vs Dual Mode
- Well my son finally did it
- CAM Regrinds are back
- There's coolant in that there hole?
- CODE 31 Cam Sensor circuit fault.. Help
- GM Tow Truck Driver Towing Instructions for ZR-1
- OEM Replacement Head Gasket Question
- Sleeve Thickness
- Baby has new shoes
- Any tips on disconnection of the Air Injection System?
- Question about timing chain guide bolt
- Alignment settings & tires for racing
- Injector replacement...would you do it?
- VATS Gothcha's
- Code scanner recommendation
- thepartslaid fuel pump assemblies, acceptable?
- Installing catalytic converters with SW headers
- low mile 95 starter issues
- RH upgraded Cam tensioner Group Buy.
- Rear hub bearing slop
- Little White hose Clip thingy
- LT5 DIY Rebuild Cost??????
- Tuning Rosa Nero
- LT5 dimensions
- Those with Coilovers
- Samco.
- Exhausting Thoughts
- Looking for help with illustration from 95 service manual
- New Brakes....No Stopping Power....help please
- Busy weekend installing stuff
- Chain rattle qeustions
- early and late LT5 ?
- car pulsates under load when in power mode
- Replacing Ignition/Steering Column Key Switch...
- Lowering Kit
- Plenum Pull...Parts List Varification...
- 1990 rear spring rates
- 1991 ecm Bin definition for chip
- Loctite 565 for Oil temp sensor?
- Lower rear control arm bolts
- Speakers
- Water pump replacement.
- Wind force figures
- Plenum Ponderings
- Source For Exhaust Manifold Bolts
- 64mm -69mm throttle body for sale
- LCA setting for Stock
- Front coilover adjustment question...
- Trim Height Adjustment?
- Crying Uncle License Bezel Attachment
- Secondary QC check...ran into a problem
- CTS-V Brakes
- i am doing a secondary delete tomarrow for....
- Performance Problem
- 1990 Exhaust Manifold Passenger Side Flange???
- Coilover too much spring?
- AM Rings?
- Knowledgeable Tech -Starting/Performance problem needing assistance
- Heat cycling new (Nitto) tires
- Torque Values
- Location of blower control module
- Need Help no running ZR1
- Tire recommendation for all seasons?
- Stupid Question.....
- Passed Idaho Emissions
- Strange vibration about 5k...
- Digital Display
- Interesting PROM Japanese spec
- TOB grease question?
- Noise at idle
- Rear sway bar
- Brake Cooling - Advice?
- Oil pump type?
- Need advice on rear shocks???
- Samco coolant hose question
- Strange engine noise
- FX3 custom valving
- Low Oil Pressure..
- Window Seal Help
- F!!!! Oil Leak...
- Coolant leak, Water pump?
- How-to Reset an LT5 Timing Chain Tensioner
- Thermostat Housing "REPRO"
- Fidanzza flywheel and transmission 10W60 oil?
- Removing rear end for upgrade
- CCM Code H72
- Secondaries fixed...but new problem
- What is the expceted Fuel Rail Pressure when driving
- Throw out bearing noise?
- DuAL Clutch Setups
- Wanted: part numbers for 1991 AC switches
- A/C Programmers little known fact
- Any HVAC experts around?
- O2 extentions and header bolts
- Drive shaft removal
- Solution to my misfire problem was a crimped wire to # 1 Injector
- Finally lost my plenum pull virginity!
- Cabin noise.
- Tuning larger LT-5 cams
- Anyone with some good photos or illustration FSM of the A.I.R. system for 92-95MY?
- Catalytic Conveter Failure?
- Valve rarity question
- Need help w/ front speaker panel!!
- New member with oil leak question
- Ram Clutch Question-Push
- Car wouldnt start........what say the Brotherhood?
- The story continues!
- ECM Code 61
- Dual Mass Testing
- Power Steering Pump
- help with rear springs codes
- Northstar ZR1 (Here we go!)
- Car is sputtering & hesitating under acceleration..Exhaust sounds muffled??
- Video: Installing LT-5 Springs
- Stutter/heistation at low RPMs
- K&N Oil filter
- nick in valve
- Car's vibrating under acceleration
- Throw out bearing noise.
- Question about shocks
- Lower shock bushing
- What is our front wheel offset?
- Heater core shutoff valve?
- Loctite 262
- problem with oil leak (posted on *************)
- Rod Bolts
- Changing All Fluids....Recos, Please...!!
- ECM CODE 61
- Opinions on the use of di-electric grease for impact sensor grounds
- CCM code 54 "Cranks does NOT run"! '90 MY
- Piston Lock Rings
- power key problem
- Round 2...
- Vehicle to computer cable
- How-to Swap the Motor Mounts?
- Strange electrical problem..possibly
- Oil pan bolt and torque spec.
- Code 41 - need an ecm to borrow in Vegas area.
- Amsoil viscositys
- Cam timing
- Bleeding Coolant System
- VA emissions tuning
- Clutch Parts: OEM
- Hydraulic Clutch Fluid
- Hey GOLDCYLON
- New zr1
- Clutches, plugs, n other stuff...
- My ZR1 cranks but wont start
- Harbor Freight Cheap Blaster
- 93 with no start problem
- Thermostat question
- Fuel pump relays #1 and #2
- i need to buy 2 sets of coils....
- What to Buy When Ready for new 17" Tires?
- Differential issue...
- ZF transmission for my '93: availability of parts?
- OBX headers experience
- Oil smell on Acceleration
- Louzsy Foreign Made Alternator Bearings
- Fascinating thread on tuning and Stoich
- Clutch pedal safty relay
- What the H___ is going on? Radio and Air
- Incorrect fuel gauge reading
- Pennzoil Synchromesh Transmission Fluid
- missing under load under 2k
- Bose Radio
- BEST 4:10 Gears Source
- BEST Exhaust w/Headers
- Big Brakes Needed
- DIS: aftermarket system
- newbie injector question
- Well.... Since I have some time....
- Rizlone ZDDP additive
- spark knock problem
- High idle
- Exhaust Header Gasket Q
- power key rebuild
- Ses light Heibeck Chip and Secondaries Question
- Intermitent SES light and rough idle...
- A/C compressor siezed
- Wheel center discoloration
- Secondary throttle plate opening
- Crankshaft Sensor Testing/Replacement
- Header/Exhaust/Intake/Chip recommendations?
- Exploratory surgery plenum removal, need help with hesitation
- Pocket porting
- Hello from Fuel Injector Connection
- Dip stick grommet
- A very old question but here goes