Forum: C4 ZR-1s for Sale / Wanted
11-15-2023
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Replies: 2
Views: 1,817
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Forum: C4 ZR-1 Member Rides
10-23-2023
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Replies: 8
Views: 9,299
Re: The Pineapple Express
Yes, this is Joe's old car.
https://i.imgur.com/zwEgp67l.jpg
https://i.imgur.com/gA1loX5l.jpg
https://i.imgur.com/HysYLOol.jpg
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Forum: C4 ZR-1 Member Rides
01-31-2023
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Replies: 8
Views: 9,299
The Pineapple Express
The Pineapple Express Lives!
My father purchased the car over a year ago. Recently, I sold my 91 Zr1 to buy the car from him. It is an absolute beast! Currently replacing a leaking a heater core and...
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Forum: C4 ZR-1 Technical Postings
01-24-2023
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Replies: 11
Views: 5,458
Re: Heater Core Repair or Replace?
Thanks for the advice guys, I am just going to return the aluminum heater core and purchase the more expensive copper one from Zip corvette. Hopefully the fitment is better. Also, thanks for the...
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Forum: C4 ZR-1 Technical Postings
01-24-2023
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Replies: 11
Views: 5,458
Heater Core Repair or Replace?
Hey guys,
I recently discovered the heater core on my 1990 Zr1 was leaking. I just got it out and now I am trying to decide whether to replace it or have someone repair it. The aluminum replacement...
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Forum: C4 ZR-1 Technical Postings
12-31-2022
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Replies: 2
Views: 5,143
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Forum: C4 ZR-1 Technical Postings
07-20-2022
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Replies: 8
Views: 8,142
Re: Transmission won?t go into gear
The first thing I would check is the level of clutch hydraulic fluid. However, I had the same issue, and it ended up being a bent clutch fork.
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Forum: C4 ZR-1 Technical Postings
07-16-2022
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Replies: 21
Views: 18,301
Re: Exhaust doubts
I have stock mufflers with aftermarket headers and the resonator deleted. There is no drone, and it is quite a bit louder than factory without being too obnoxious.
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Forum: C4 ZR-1 Technical Postings
03-12-2022
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Replies: 7
Views: 2,395
Re: Chattering going into 1st/Reverse
Update:
Finally got the time to tackle this clutch job for the third time. (I have gotten much faster, haha) I was able to acquire a good used original pressure plate thanks to LGAFF. Just got it...
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Forum: C4 ZR-1 Technical Postings
03-02-2022
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Replies: 16
Views: 3,225
Re: Clutch pedal travels too low
What clutch disk did you install? If it's not the hydraulics, it could be a matter of needing to shim the pressure plate if the clutch disk is too thick. Marc Haibeck has an article that talks about...
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Forum: C4 ZR-1 Technical Postings
01-14-2022
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Replies: 9
Views: 2,546
Re: Throwout Bearing Play
Yes, I?m aware that all the pull type clutches now made for C4s are made from the same parent company. Unfortunately, it is near impossible to find a NOS Valeo plate. Did you end up sending your...
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Forum: C4 ZR-1 Technical Postings
01-13-2022
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Replies: 9
Views: 2,546
Re: Throwout Bearing Play
I think this is my exact issue. I installed a new Spec clutch kit and a resurfaced aftermarket flywheel, and the result was I had tremendous shudder going into first and reverse.
After the issue...
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Forum: C4 ZR-1 Technical Postings
01-11-2022
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Replies: 9
Views: 2,546
Re: Throwout Bearing Play
Yeah, that is what I figured. It is good to hear that yours had the same play and works correctly. That's one less thing that can be my issue.
Thanks,
Scott
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Forum: C4 ZR-1 Technical Postings
01-11-2022
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Replies: 9
Views: 2,546
Throwout Bearing Play
Hey Guys,
I am trying to figure out why my recently installed SPEC clutch has so much shuddering/chatter going into 1st and reverse. Could the play in the throwout bearing be the source of my...
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Forum: C4 ZR-1 Technical Postings
11-28-2021
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Replies: 56
Views: 15,268
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Forum: C4 ZR-1 Technical Postings
10-30-2021
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Replies: 2
Views: 614
Pressure Plate Questions
Hey guys,
I will be installing an original lt1/l98 Valeo pressure plate into my 91 Zr1 and pairing it with a fidanza flywheel. With the shorter pressure plate do I also need the shorter clutch fork...
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Forum: C4 ZR-1 Parts For Sale / Wanted
10-09-2021
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Replies: 1
Views: 575
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Forum: C4 ZR-1 Technical Postings
10-08-2021
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Replies: 9
Views: 1,371
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Forum: C4 ZR-1 Technical Postings
10-08-2021
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Replies: 9
Views: 1,371
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Forum: C4 ZR-1 Parts For Sale / Wanted
09-29-2021
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Replies: 3
Views: 654
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Forum: C4 ZR-1 Parts For Sale / Wanted
09-29-2021
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Replies: 3
Views: 654
WTB: Flywheel
Hey guys,
Before I pull the trigger on a new flywheel (leaning towards the fidanza), I just wanted to see if anyone has one laying around that they would consider selling.
Thanks,
Scott
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Forum: C4 ZR-1 Technical Postings
09-28-2021
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Replies: 2
Views: 693
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Forum: C4 ZR-1 Technical Postings
09-23-2021
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Replies: 7
Views: 2,395
Re: Chattering going into 1st/Reverse
Thanks for all the information guys. I definitely will not be putting it back together how it was, despite what Spec says about this being normal. I am going to send it back to them and see what they...
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Forum: C4 ZR-1 Technical Postings
09-18-2021
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Replies: 0
Views: 635
O2 Sensor Wire Extension
Just wanted to give a heads up that Casper's Electronics can make you an O2 sensor extension if you tell them the length you need. I believe the part number for the male connector was 110044 on their...
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Forum: C4 ZR-1 Technical Postings
09-18-2021
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Replies: 7
Views: 2,395
Re: Chattering going into 1st/Reverse
Update:
The chattering/shuddering only got worse to the point it was almost undrivable so I took the clutch back out of the car. It appears the clutch is engaging first on one side of the pressure...
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