Forum: C4 ZR-1 General Postings
2 Days Ago
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Replies: 4
Views: 263
Stroker ZR-1 on BAT
I've no affiliation with this car, just noticed it up on BAT:
https://bringatrailer.com/listing/1990-chevrolet-corvette-zr-1-125/
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Forum: C4 ZR-1 Technical Postings
08-06-2024
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Replies: 19
Views: 6,799
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Forum: C4 ZR-1 Technical Postings
07-30-2024
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Replies: 2
Views: 1,937
Re: AC Clutch Replacement 1991
I went through this last year and posted this thread asking about the clutch like you have: https://zr1.net/forum/showthread.php?t=35084
I just updated that thread with how part number 4321248...
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Forum: C4 ZR-1 Technical Postings
07-30-2024
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Replies: 19
Views: 6,799
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Forum: C4 ZR-1 General Postings
07-25-2024
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Replies: 12
Views: 3,100
C8 ZR1 early leak (spoilers inside)
Well, 11.45pm Thursday Sydney time and I'm seeing on social media leaks that are saying 1064hp pure internal combustion only.
I love that Corvette is going balls-out and pushing the envelope like...
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Forum: C4 ZR-1 Technical Postings
07-16-2024
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Replies: 11
Views: 5,874
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Forum: C4 ZR-1 Technical Postings
06-24-2024
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Replies: 19
Views: 6,976
Re: Best sounding cams
You can find the specs of Petes cams here: https://zr1pete.wordpress.com/services/
Pepmeier Engines does custom tool steel cam blanks that are machined to your specification.
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Forum: C4 ZR-1 Technical Postings
06-22-2024
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Replies: 4
Views: 3,246
Re: Replacing main bearings
If my car had metal particulate that had circulated through the motor, I'd be doing a full tear down otherwise any fix may be very temporary before any metal particulate left in the motor causes...
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Forum: C4 ZR-1 Technical Postings
06-21-2024
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Replies: 12
Views: 3,970
Re: ADS Superchip
You're welcome. Searches can be finicky, especially nowadays with search engines being nowhere good as they used to be for finding things on forums. :cheers:
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Forum: C4 ZR-1 Technical Postings
06-20-2024
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Replies: 12
Views: 3,970
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Forum: C4 ZR-1 Technical Postings
06-19-2024
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Replies: 9
Views: 4,160
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Forum: C4 ZR-1 Technical Postings
06-16-2024
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Replies: 9
Views: 4,160
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Forum: C4 ZR-1 General Postings
05-31-2024
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Replies: 19
Views: 6,892
Re: Aftermarket Head Unit Question
You should have plenty of room with that. I believe the Pioneer unit pictured has even less depth (3.3"?) than my setup. I'm running an Alpine ILX-W650E with an add-on KTA-450 amplifier (that sits...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-21-2024
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Replies: 2
Views: 1,180
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-18-2024
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Replies: 0
Views: 1,138
DRM Trailing Arm brackets
New in box, never used DRM trailing arm brackets.
From the DRM product blurb:
"Precise weight transfer is critical for optimum acceleration, braking and cornering. These C4 Corvette DRM Trailing...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-16-2024
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Replies: 2
Views: 1,180
Secondary Air Pump - New Old Stock
Secondary air pump - NOS (New Old Stock)
Still in original box which was only opened to inspect the pump upon receipt.
I bought this before I physically received my car and realized I don't...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-16-2024
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Replies: 0
Views: 1,058
Dana 44-HD 3.90 Ring & Pinion (7/16" Bolts)
Dana 44 3.90 ring and pinion. These are the stronger "Viper gears".
Brand new, never used. American made Dana gears.
Selling as I'm going with 3.73's.
SKU : D44HD-390-OE
Asking $500USD shipped...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
02-29-2024
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Replies: 10
Views: 3,039
Re: 1995 ZR-1 Lingenfelter
I suspect there's a pretty good chance that's the car that Lingenfelter ran in the top speed shootout back in the late 90's that ran 218mph (if I recall correctly it was with a different motor).
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Forum: C4 ZR-1 Technical Postings
01-15-2024
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Replies: 4
Views: 3,024
Re: Oil in Plenum
All of the above, but also check the coalescing filters are still in place in both cam covers. The filters help manage oil vapor from the cam covers that is vented into the throttle body. When I got...
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Forum: C4 ZR-1 Technical Postings
12-29-2023
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Replies: 19
Views: 6,799
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Forum: C4 ZR-1 Technical Postings
12-28-2023
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Replies: 19
Views: 6,799
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Forum: C4 ZR-1 Technical Postings
12-27-2023
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Replies: 19
Views: 6,799
Air Conditioning Compressor Clutch availability
It looks like my AC clutch is toast. I've searched here and online extensively without finding a definitive answer. I suspect the one listing for a ac clutch compressor to suit a ZR-1 is erroneous...
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Forum: C4 ZR-1 General Postings
11-22-2023
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Replies: 3
Views: 1,720
Car and Driver 0-150-0 2023
Some of you may recall the original 0-150-0 article back in 1998.
In this video they draw some interesting comparisons with the 415 Lingenfelter ZR-1 that won the 1998 competition in this new...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
07-26-2023
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Replies: 4
Views: 1,078
Re: Valve Cover Gaskets
This is what you want:
https://www.jerrysgaskets.com/permabond-a136-cam-cover-sealant-7-5b6/
You probably should also consider changing the coalescing filters in the covers while you have them...
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Forum: C4 ZR-1 Technical Postings
06-21-2023
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Replies: 2
Views: 1,346
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