Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-16-2021
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Replies: 7
Views: 871
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Forum: C4 ZR-1 General Postings
07-07-2019
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Replies: 13
Views: 928
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Forum: C4 ZR-1 General Postings
07-06-2019
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Replies: 13
Views: 928
Re: Can't get into gear...
Well, that definitely would appear to be the problem as the well looks empty...but for the life of me I cannot get the cap off.
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Forum: C4 ZR-1 General Postings
07-05-2019
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Replies: 13
Views: 928
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Forum: C4 ZR-1 General Postings
07-05-2019
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Replies: 13
Views: 928
Can't get into gear...
I've been noticing that getting into gear from a stop has been difficult. It got worse quickly. Now I can't hardly get the shifter into gear and also noticing the clutch is catching almost instantly...
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Forum: C4 ZR-1 Technical Postings
01-16-2019
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Replies: 6
Views: 739
How to safely bypass leaking heater core?
Well, the title says it all. I just dumped a bunch of money into headers and a reprogrammed chip, just to have my heater core spring a leak. I cannot do this job and I don't know anyone around that...
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Forum: C4 ZR-1 Technical Postings
01-07-2019
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Replies: 6
Views: 561
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Forum: C4 ZR-1 Technical Postings
01-07-2019
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Replies: 6
Views: 561
Rattling screws when top off
Am I missing something here? The two front screws that hold the top on rattle like crazy because they are just floating in there with the top off. Does anyone know of a piece I'm missing or a trick...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
01-07-2019
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Replies: 1
Views: 419
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
12-14-2018
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Replies: 7
Views: 871
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Forum: Mid-Atlantic Region
12-07-2018
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Replies: 13
Views: 2,560
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
12-07-2018
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Replies: 7
Views: 871
Original 1990 Goodyear tires
These ridiculously perfect tires have been shrink wrapped in a climate controlled garage since 1990. Original owner of ZR1 put a couple thousand miles on them before storing them. They look like they...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
12-07-2018
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Replies: 0
Views: 294
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Forum: C4 ZR-1 Technical Postings
11-27-2018
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Replies: 4
Views: 580
Re: Header guts...
Interesting! Thanks for the explanation. Hopefully when I remove the pump, I don't remove anything important!
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Forum: C4 ZR-1 Technical Postings
11-27-2018
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Replies: 4
Views: 580
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Forum: For Sale & Wanted (General)
11-26-2018
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Replies: 0
Views: 863
Original Goodyears from 1990 ZR-1
These are the original tires from the factory with about 3000 miles on them. The 1st owner removed them, shrink-wrapped, and stored in a climate controlled environment. Pretty unbelievable. They look...
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Forum: For Sale & Wanted (General)
11-26-2018
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Replies: 0
Views: 672
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Forum: C4 ZR-1 Technical Postings
11-26-2018
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Replies: 4
Views: 580
Header guts...
What are these connections that were connected to the original headers? Should I be leaving them like this? Thanks for any help!
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Forum: C4 ZR-1 Technical Postings
11-22-2018
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Replies: 2
Views: 480
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Forum: C4 ZR-1 Technical Postings
11-22-2018
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Replies: 6
Views: 594
Re: Keep original headers??
Yeah I just realized there is a market for them yesterday. So I am planning to sell them along with the rest of the original exhaust.
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Forum: C4 ZR-1 Technical Postings
11-22-2018
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Replies: 2
Views: 480
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Forum: C4 ZR-1 Technical Postings
11-20-2018
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Replies: 6
Views: 594
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Forum: C4 ZR-1 Technical Postings
11-20-2018
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Replies: 6
Views: 594
Keep original headers??
So I'm picking up my '90 tomorrow morning from the mechanic. New headers are installed! The question is- is there a good reason to keep the original headers and hollowed out cats? Or will this just...
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Forum: C4 ZR-1 Technical Postings
11-19-2018
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Replies: 26
Views: 2,621
Re: OBX Headers a heat concern?
Here is everything you will need to install headers on a 1990 ZR1. I hope this helps someone save lots of research time.
(1) O2 sensor extension
(16) header bolts
75' of 2" header wrap
High temp...
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Forum: C4 ZR-1 Technical Postings
11-10-2018
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Replies: 12
Views: 1,004
Re: 6th gear whistling...
When I go beyond 78mph, and still in 6th, the noise fades out. I'm starting to think it is inbetween gears at this speed and a harmonic sound. Which is crazy 6th gear is that large. Maybe I'd be...
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