Forum: C4 ZR-1 Technical Postings
23 Hours Ago
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Replies: 4
Views: 181
Re: Radio will not work
Fact that the radio is failing to trigger power antenna (assuming power antenna itself has not failed) leads me to suspect headunit failure.
I would send both headunit to Dr. Don and have him check...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 5
Views: 594
Re: Radiator Cap
Below, I believe, is what came with the car and replaced with the same about 10 years ago. AC-Delco 15 psi.
...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 11
Views: 1,294
Re: Tire pressure sensors
If you want to keep stock system, EBay probably is the best bet. Sensors are specific to each corner I think.
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
2 Weeks Ago
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Replies: 2
Views: 491
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Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 7
Views: 734
Re: Alternative Higher Amp Alternator (140 amp)
Zack,
Higher amp alternator does not require an extensive rewiring. All that's needed is beefing up from alternator to the battery by adding a 8 ga. wire. also, Marc recomended beefing up and...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 1
Views: 503
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 12
Views: 1,568
Re: Door Lock Actuators
Not really knowing what your car is doing, door lock actuators being actuated while driving can be caused by faulty door light switch. My 94 was doing this and I tracked it down to faulty door light...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 3
Views: 605
Re: Code 12 Issue
Not knowing what year, I can't tell whether you have 12 pin or 16 pin ALDL connector.
Below article should help with your diagnosing the problem.
I can't immagine cam position sensor being related...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 7
Views: 732
Re: Horn won't blow
Hey Steve,
Perhaps below Youtube link might help.
https://www.youtube.com/watch?v=RVFSKij8JsM
https://www.youtube.com/watch?v=K-DGyG-k10k
Second video is for 94 - 96 but still shed some light...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 1,064
Re: Solution for B&B Exhaust Drone?
https://www.ebay.com/itm/185570449084?fits=Submodel%3AZR-1%7CYear%3A1990%7CModel%3ACorvette&epid=1482090676&itmmeta=01HV4YJGR1HM6YZ1ZK8SABX8WE&hash=item2b34dc56bc:g:9hIAAOSwGVBk0rfG&itmprp=enc%3AAQAJA...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 48
Views: 19,545
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 48
Views: 19,545
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Forum: C4 ZR-1 Technical Postings
03-25-2024
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Replies: 12
Views: 933
Re: Oil leak
I agree with Jerry?s opinion. Mine turned out to be the pressure switch.
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Forum: C4 ZR-1 General Postings
03-25-2024
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Replies: 4
Views: 593
Re: Rear Lining screws.
Assuming you are looking for OEM replacement, contact Mirrock Corvette.
https://mirrockcorvette.com/
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-20-2024
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Replies: 5
Views: 413
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-20-2024
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Replies: 5
Views: 413
Re: 1995 ZR1 NORS heater core
Unfortunately (or maybe it's fortunately), my heater core is fine and I am on the East Coast but $900 for NOS heater core installed is an incredible price.
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Forum: C4 ZR-1 Technical Postings
03-19-2024
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Replies: 30
Views: 3,952
Re: Headers
Other sites I see the Stainlessworks headers at $2,200 or so. Jim and I compared OBX and SW headers side by side. They looked identical except for OBX collector being slightly more forward in order...
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Forum: C4 ZR-1 Technical Postings
03-18-2024
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Replies: 30
Views: 3,952
Re: Headers
https://www.walmart.com/ip/Maximizer-Long-Tube-Header-For-90-to-95-Chevy-Corvette-ZR1/2545521324?wmlspartner=wlpa&selectedSellerId=101194874
Says Maximizer but looks to be OBX.
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Forum: C4 ZR-1 Technical Postings
03-17-2024
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Replies: 30
Views: 3,952
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Forum: C4 ZR-1 Technical Postings
03-16-2024
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Replies: 2
Views: 317
Re: Oil Gauge Issue
I?m pretty sure a mechanical gauge can be hooked up to oil pressure sensor mounting threaded hole. Most likely cause of pressure reading fluctuation is the sensor failure. Pressure sensor is a...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-15-2024
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Replies: 4
Views: 265
Re: WTB: Center gauge cluster bezel w/power key.
scorp508,
Finding a 94 or 95 "Dulso" coated radio bezel with power key slot and white lettering in good condition is next to impossible. Even a brand new one in a box by now would have become...
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Forum: C4 ZR-1 General Postings
03-15-2024
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Replies: 26
Views: 1,801
Re: A question for the longtime owners.
I have been driving C4 ZR-1s since October 1991, current 94 being my second one. Truly fortunate to be able to get a 2022 Z51 without having to lose my 94. Both are my toys but I am one of those who...
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Forum: C4 ZR-1 General Postings
03-15-2024
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Replies: 26
Views: 1,801
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Forum: C4 ZR-1 Technical Postings
03-14-2024
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Replies: 28
Views: 3,757
Re: Jack... in spare?
Original spare would be necessary for NCRS judging but would you feel safe to actually use it? Unless, the spare was replaced recently.
I had to squeeze in 18" spare off of Cadillac CTS-V to clear...
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Forum: C4 ZR-1 Technical Postings
03-13-2024
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Replies: 28
Views: 3,757
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