Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 5
Views: 460
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 37
Views: 1,163
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 10
Views: 2,640
Re: Freon capacity for 91 ZR-1?
As to pressures I did know, but I think low side is similar to r12, high side will be higher due to using r134a with a tube and fin condenser
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 10
Views: 2,640
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 2
Views: 567
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Forum: C4 ZR-1 Technical Postings
05-01-2024
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Replies: 5
Views: 2,784
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-24-2024
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Replies: 9
Views: 1,063
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Forum: C4 ZR-1 General Postings
04-24-2024
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Replies: 7
Views: 1,109
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-24-2024
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Replies: 9
Views: 1,063
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-23-2024
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Replies: 9
Views: 1,063
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Forum: C4 ZR-1 Technical Postings
04-23-2024
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Replies: 12
Views: 1,907
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Forum: C4 ZR-1 Technical Postings
04-22-2024
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Replies: 18
Views: 3,267
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Forum: C4 ZR-1 General Postings
04-22-2024
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Replies: 7
Views: 1,109
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Forum: C4 ZR-1 General Postings
04-21-2024
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Replies: 7
Views: 1,109
Re: Alternative Higher Amp Alternator (140 amp)
When I went to do this on my 1990. I found the case hitting in a couple spots. the Later design Alternator uses a slightly bigger case which causes it to not fit. in my experience..
I would Like...
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Forum: C4 ZR-1 Technical Postings
04-13-2024
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Replies: 6
Views: 1,135
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Forum: C4 ZR-1 Technical Postings
04-13-2024
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Replies: 6
Views: 1,135
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Forum: C4 ZR-1 Technical Postings
04-12-2024
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Replies: 17
Views: 1,677
Re: Solution for B&B Exhaust Drone?
Do you have a link to Phils setup?
I have a LT4 system on my car.. I have 2" headers into 3" cats in to the LT4 system. Honestly, if you did anything to the LT4 system it would be to replace the...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-11-2024
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Replies: 7
Views: 849
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-06-2024
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Replies: 7
Views: 849
Re: WTB 90 ZR-1 RH Muffler
Here is a pair of unused OEM replacement 1990 mufflers
PM me if interested. Asking $250 for the pair plus shipping
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-03-2024
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Replies: 7
Views: 849
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Forum: C4 ZR-1 Technical Postings
03-31-2024
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Replies: 7
Views: 583
Re: Seatbelt retractor issue
The 1994 retractors I have will cinch the lap belt on their own after spirited driving. The shoulder belts do lock then release but the lap belts have always done this.. I have another set of belts...
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Forum: C4 ZR-1 Technical Postings
03-31-2024
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Replies: 7
Views: 583
Re: Seatbelt retractor issue
Back in 1993 when I had my 89, I had the SAME thought, took the car to the dealer and was told that was the expected behavior. My 89, 90 and all the other C4s I have driven, all the same
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Forum: C4 ZR-1 Technical Postings
03-31-2024
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Replies: 7
Views: 583
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Forum: C4 ZR-1 Technical Postings
03-23-2024
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Replies: 10
Views: 1,293
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Forum: C4 ZR-1 Technical Postings
03-23-2024
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Replies: 10
Views: 1,293
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