View Full Version : C4 ZR-1 Technical Postings
- Fuel filter question .. Is there an o ring on both ends going into the filter?? (3 replies)
- Removing transmission fill/drain plugs (15 replies)
- Questions about fuel pump install ! I rings for pump assembly to tank bolts !? (4 replies)
- What's the best way to disable the antenna? (19 replies)
- Headlight Door Question (11 replies)
- Raising Front (10 replies)
- Imploded Fuel Tank (11 replies)
- Oil in number 6 cyl. (18 replies)
- steering noise/issue (18 replies)
- Good news, my Bose works! Bad news, the car won't start. (7 replies)
- Correct part number for Bosch fuel pumps ? (2 replies)
- Tackling the Bose (2 replies)
- FX3 gear question, is my car a one off? (11 replies)
- '90 ZR1 Fallen & Rotated Fuel Tank.... Really! (6 replies)
- My car has every Selective Ride Control fault code (10 replies)
- FIRE Under Hood on Monday (12 replies)
- A question about brake calipers. (2 replies)
- LT5 Cooling and Radiators (127 replies)
- windshield wiper help (14 replies)
- Upper Cam Chain facing failure (13 replies)
- Service Ride Control light reset (16 replies)
- Calculating "POWER UNDER THE CURVE"?? (10 replies)
- LT5 Misfiring at All Speeds (55 replies)
- Clicking from rear under initial load... (9 replies)
- About spark plugs.. (7 replies)
- Electric Water Pump questions ... (29 replies)
- Front and rear shock mount torque setting (4 replies)
- Fuse Puller Mount (5 replies)
- oil cooler line leak (4 replies)
- Marc "sorted out my z" (6 replies)
- Should I be freaking Out? (5 replies)
- Bose replacement (17 replies)
- Anybody ever replace the clutch safety switch? (20 replies)
- 12 Volt relay to feed the coils??? (5 replies)
- Tech II scanner (15 replies)
- Service Ride Control codes (1 replies)
- How does Marc do that? (2 replies)
- Code 31 (9 replies)
- Thermostat (10 replies)
- Changing Back 2 spark plugs (14 replies)
- Spark plug question..... (6 replies)
- New radiator install (13 replies)
- Installing Longer Wheel Studs, rear hub - shortcut & tips. (4 replies)
- Throwout Bearing??? (13 replies)
- Howdy! New member, new owner, and a question (7 replies)
- Jumper to avoid being stranded with a failed Primary Fuel Pump (178 replies)
- Tach illumination bulbs (5 replies)
- Oil leak help... (17 replies)
- Whistle on startup (12 replies)
- 4:10 gear ratio question.... (48 replies)
- Radiator Fill Cap (5 replies)
- SW header install (11 replies)
- Tire Recommendations??? (4 replies)
- Brake Recommendations Please (59 replies)
- Fuel pressure Regulator Re- build ? (2 replies)
- Motor Mount Picture Trying to fix lifting gearshift (7 replies)
- Clicking from this… what is it? (19 replies)
- Newbie needs help alternator maybe (25 replies)
- shift light (0 replies)
- Help locating a CCM module? (21 replies)
- Question converting new secondary actuator solenoid (2 replies)
- Steering wheel 90 vs 91?? (17 replies)
- Running hot? (31 replies)
- Jerry's LT5 Paint (16 replies)
- Fuel Pump Issue (9 replies)
- Hood Color? (3 replies)
- electrical issue (6 replies)
- Hailbeck Chip Help (5 replies)
- The Chip (6 replies)
- Air Dam Help (1 replies)
- Put The 92 on the Dyno Last Night (26 replies)
- What are the 3 relays above driver's left knee? (1 replies)
- Transmission Height Quick Measurement. (1 replies)
- Cranks but No Start (days before MR/C4 Gathering) (30 replies)
- Bose Amps (20 replies)
- Throttle Body Service (3 replies)
- Waterless Engine Coolant (2 replies)
- Spark Plug Gap and stuff (1 replies)
- Fuel pump replacement question (1 replies)
- Regarding Catch Cans (7 replies)
- Brake Bleeding Sequence (11 replies)
- Full engine Power light (31 replies)
- 1990 FSM Electronic copy (0 replies)
- 90 Seat Belt issue (10 replies)
- Newbie Here (9 replies)
- Tuning (21 replies)
- 1990 Spark plugs (6 replies)
- LTPMS Question (13 replies)
- oil filter (9 replies)
- Exhaust tip cleaning? (6 replies)
- Emissions question (2 replies)
- Why I really like the Fidanza SM (5 replies)
- When did you change your shocks? (8 replies)
- Injector Change (6 replies)
- How to remove CHMSL (Center Brake Light)? (4 replies)
- Engine code 61 help (32 replies)
- OBX Headers and exhaust (23 replies)
- 427 LT5 Build 2 underway (101 replies)
- FINALLY!! my E-Brake works (4 replies)
- Cornering Bulbs? (19 replies)
- Which Nitto tire model? (13 replies)
- security system help (3 replies)
- ZR-1 Down =( (14 replies)
- Help me fix jiggly headlight (7 replies)
- Lower shift seal woes (3 replies)
- Engine Ticking (56 replies)
- Rev. limiter (8 replies)
- FX3 Gear (2 replies)
- ported plenum and injector housings.. (25 replies)
- block corrosion (5 replies)
- iTPMS (7 replies)
- A Scratch! (7 replies)
- Heater Blower (9 replies)
- vinci power products chip (21 replies)
- Tempature sensor relocation instructions (2 replies)
- Possible help on exhaust drone? (8 replies)
- Fuel Pumps (47 replies)
- Two Questions that need your thoughts!!! (26 replies)
- Forced air system? Modifying air box? Any thoughts? (3 replies)
- My ECM has new "nuts"..... (10 replies)
- F-Body wheel bearing installed (32 replies)
- miss after car warms up (10 replies)
- Rim availablity (13 replies)
- Additional filtration (4 replies)
- Service Ride Control Light (7 replies)
- Who offers 335, 345 ties for 17" wheels? (11 replies)
- 4 wire electrical connector (4 replies)
- 1990 fires up then dies (4 replies)
- Exhaust Design (7 replies)
- FX-3 Rebuild or New? (11 replies)
- Used transmission (1 replies)
- Taller tires screw up asr??? (29 replies)
- Cats or No Cats??? (16 replies)
- Port Dimpling?? (13 replies)
- Starter no workie (11 replies)
- Finding my vacuum leak... (15 replies)
- Crankshaft Cup Plug Test (13 replies)
- Transmission noise (19 replies)
- Wheel bearings (6 replies)
- Correct injectors? (57 replies)
- Another power antenna question.. (5 replies)
- The outside TEMP reading stuck on 53 degrees. (4 replies)
- What HP/TQ do older Cammed 368's Post? (22 replies)
- New ZR-1 owner with clutch/trans problems (3 replies)
- Purple Starter Wire - Pictures (6 replies)
- Aux input on CDM / receiver? (21 replies)
- Firewall Hole - Pictures (0 replies)
- Engine Cut out after 3-5 seconds (11 replies)
- Sw headers (21 replies)
- Header for the LT5 (2 replies)
- Antenna Grommet (11 replies)
- Wiper motor circuit board (2 replies)
- Someone in Toronto area I can trust? (4 replies)
- Trying a ZR-1 tonight but no power key said the owner (23 replies)
- OBD 1 screw size (4 replies)
- Goodyear tire update (10 replies)
- Metal in exhaust? (15 replies)
- Top end clatter / lifter tick? (46 replies)
- What does the difference between 225 and 375 hp feel like? (10 replies)
- Marc Heibeck Under the Plenum DVD (17 replies)
- Started today (6 replies)
- Exhaust Resonator Question (25 replies)
- '91, Cranks but No Start (and radiator fan runs?!) (8 replies)
- Fuel gauge DIY fix does not work HELP (5 replies)
- Scanner Purchase Advice? (8 replies)
- Fuel Range not working (2 replies)
- How much cfm blows the stock fans? (1 replies)
- Drivers power window works but doesn't!!??? (6 replies)
- Cant stand this dipstick. Any alternatives? screw in or clip on handles available? (12 replies)
- Track Day Modifications? (10 replies)
- Control Data Module (CDM) Failure (3 replies)
- missing/rough running round 2 (24 replies)
- Battery Shutoff Switch (2 replies)
- TPS failure (9 replies)
- L98 pressure plate? (3 replies)
- Help (6 replies)
- Engine diagnostics using engine vacuum (13 replies)
- Where does this bolt go (7 replies)
- How much vapor is pushed from the Cam cover Vent tubes? (4 replies)
- 19" wheels offsets & tire sizes? (33 replies)
- New starter spins, no flywheel engagement (2 replies)
- info Spark Plug Wires (10 replies)
- LT5 CAD drawings (3 replies)
- ECM Code 55 (7 replies)
- Convert MPH cluster in KPH (1 replies)
- Photo request of ABS well for 1991. Here's mine. (13 replies)
- Catch can first impressions !!! Plus some gopro footage (first video :) ) (14 replies)
- Clever bracket ideas to hold secondaries open? (5 replies)
- Thottle Cable Adjustment? (8 replies)
- Great FIC article on Injector Offset (12 replies)
- weatherstripping/interior (6 replies)
- No MPH (7 replies)
- Pilot Bearing depth? (4 replies)
- Question about rubber gasket for injector electrical plug (7 replies)
- Fog light question! Possible to assemble them wrong or align them? (4 replies)
- Liner Removal Tool (2 replies)
- Amsoil (2 replies)
- Changing oil...Let it drain overnight ? (61 replies)
- Starter Relay Connector (1 replies)
- Engine oil (8 replies)
- Big brake conversion - finally complete (41 replies)
- Ported vs stock airhorn (3 replies)
- help still have secodary problems (17 replies)
- No fuel pressure (8 replies)
- Power antenna won't go down on my 91 (2 replies)
- Inlet Port geometry (7 replies)
- Chevrolet LT5 "Service" engines (5 replies)
- Opening Key Fob ('95) (1 replies)
- 1990 ZR1 Interior Light Flicker (13 replies)
- Is it labor intensive to install aftermarket headers on the LT-5? (6 replies)
- Merc 4 valve heads for LS motors (7 replies)
- Frankenplenum (172 replies)
- LT5 Headers (4 replies)
- Coil Testing (4 replies)
- Suggestions for Battery Tender (62 replies)
- transmission bearing noise (10 replies)
- Single Mass FW ID (9 replies)
- Wipers (4 replies)
- need vac diagram for removing secondaries (3 replies)
- Lost instructions .. Confused on piggyback chip install :/ (4 replies)
- Coolant question . GM 1825M ? (6 replies)
- oil level sensor (1 replies)
- ok one more thing on cam tools ..... (2 replies)
- bore sizes of the tensioner housings (2 replies)
- Higher than normal Idle, and occasional stumble (26 replies)
- Catalytic converters? (17 replies)
- timing cams without the kent moore tools (3 replies)
- O2 Sensor wiring accessability (6 replies)
- New? QuickJack Sys (6 replies)
- Replacement Clutch (2 replies)
- Anybody swap 93-95 (405hp) exhaust manifolds and cats to the early engines? (4 replies)
- How much variation in factory cam timing adjustment? (11 replies)
- help (2 replies)
- Oil pressure increase with RPM's (7 replies)
- Plug for SW headers EGR port (3 replies)
- Tire question (BFG KDW) (19 replies)
- Photo of Vacum lines After removing secondaries 1994 !! (33 replies)
- SW Headers: Dipstick brackets (2 replies)
- Radiator options (52 replies)
- Super Chevy lightweight flywheel test (20 replies)
- 91 brake bleeding (5 replies)
- 1996 LT4 Gauge Cluster in 1991 ZR-1 (4 replies)
- My Billet alt is here and it fits !! pics and input welcome ! (23 replies)
- Rear Hub/Bearing Question (3 replies)
- AC low blow (7 replies)
- Roof panel removal (10 replies)
- Question about rear hatch glass.. (15 replies)
- Master Cylinder Replacement (4 replies)
- Coolant Tank (4 replies)
- LCD Replacement (6 replies)
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