Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 49
Views: 8,130
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Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 13
Views: 1,487
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Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 7
Views: 661
Re: Alternative Higher Amp Alternator (140 amp)
I found all of my factory wiring looms under the hood to be in good condition, still factory sealed, etc. I decided it wasn't worth it to cut all of them open in order to run the higher gauge wire to...
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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: 444
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Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 1
Views: 317
Referral for A/C Compressor Rebuild
I met a great guy who rebuilds A/C compressors. He just did the one on my 1990 which was leaking when I bought it. Dye was everywhere. Frank took pictures after he received it, called to explain...
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Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 7
Views: 661
Re: Alternative Higher Amp Alternator (140 amp)
I edited my original post an added in a photo of the late style CS144 mounted. It fit just fine in my 1990 :dontknow: I'm totally kicking myself for not taking side by side photos though. I've got to...
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Forum: C4 ZR-1 General Postings
2 Weeks Ago
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Replies: 7
Views: 661
Alternative Higher Amp Alternator (140 amp)
I made a discovery when looking to upgrade my alternator that I wanted to put out for everyone. I know a lot of you are running 200 amp alternators which requires upgrading all of the power wiring...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
3 Weeks Ago
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Replies: 6
Views: 712
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 17
Views: 981
Re: Solution for B&B Exhaust Drone?
Yes, two resonators (one for each side) as each is a single pipe. If you go to the link in my last post you'll see exactly what I'm referring to. This Is the same setup as Phil just a different...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 17
Views: 981
Re: Solution for B&B Exhaust Drone?
After calling a few exhaust companies and looking over Phil's system, I think the easiest and least expensive option overall is to add in two resonators between the x-pipe and the mufflers. This...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 981
Re: Solution for B&B Exhaust Drone?
What about the addition of mini "bullet" muffler before each of the current mufflers? They are very inexpensive.
Here is one example by Dynomax: ...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 981
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 981
Re: Solution for B&B Exhaust Drone?
Hi, I'm a little confused. Do you have the old style B&B system? Are you saying that you had drone but switching to an x-pipe resolved the drone? Upgrading to their new system is not in the fiscal...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 48
Views: 19,377
Re: Rebuilding The LT5 Tensioner
Does anyone have the current part # for the L98 tensioner? Everyone seems to be out of stock of the Dayco 89298 which makes me think it may have been discontinued. Or, does anyone know of another...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 27
Views: 2,263
Re: Stranded on a road trip, '90 ZR-1, no crank
Thanks for the quick reply Mike. I wanted to post an update vs contacting you directly so that everyone who was helping and interested was tracking. But, I was definitely hoping your electrical...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 30
Views: 3,842
Re: Headers
Wow, I got the Maximizers just in time! With shipping mine were only $289 and they arrived this week. I plan to get them high temp ceramic coated and add 200 or 400 cell cats.
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 5
Views: 470
Re: Battery fully charged but no crank
Nick, as I understand it, the Security light should flash and then go out if VATS is working correctly. If Security stays on solid, you have an issue with VATS.
"No crank" to me indicates...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 981
Solution for B&B Exhaust Drone?
My new-to-me 1990 has the old style Billy Boat exhaust and the drone is absolutely unbearable for me at all cruising speeds in 6th gear (1700-2400 RPM). It currently has OEM manifolds but I plan to...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 28
Views: 3,953
Re: 1990 No Crank
I have not but just posted and update to the thread I had started on this issue:
https://www.zr1.net/forum/showpost.php?p=342511&postcount=24
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 27
Views: 2,263
Re: Stranded on a road trip, '90 ZR-1, no crank
UPDATE: I had the car running in the garage while trying to tuck back some wires I had dangling still from pulling the HVAC Program Module. When moving around the wires, the car abruptly "turned off"...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 27
Views: 2,263
Re: Stranded on a road trip, '90 ZR-1, no crank
For mine, cold or warm makes no difference as to when it will or will not start. It also tuns off randomly so I believe I can eliminate the starter as an issue. I believe the two issues are related.
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Forum: C4 ZR-1 Technical Postings
04-03-2024
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Replies: 22
Views: 1,779
Re: Continuing angst... headers today...
Thanks for the reply Marc. I just bought a set of the Maximizer headers this past week. Do you know if these are still the same design as the OBX which will hit the steering shaft on a '90. If so,...
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Forum: C4 ZR-1 Technical Postings
04-03-2024
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Replies: 22
Views: 1,779
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Forum: C4 ZR-1 Technical Postings
04-03-2024
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Replies: 30
Views: 3,842
Re: Headers
Here ya go!
https://www.walmart.com/ip/Maximizer-Long-Tube-Header-For-90-to-95-Chevy-Corvette-ZR1/2545521324
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-27-2024
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Replies: 6
Views: 712
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