Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 10
Views: 820
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Forum: C4 ZR-1 General Postings
1 Week Ago
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Replies: 103
Views: 41,592
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Forum: C4 ZR-1 Technical Postings
03-20-2025
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Replies: 3
Views: 5,478
Re: Stuck Throttle?
Possible mice debris in the throttle plate cable TPS area. Ditto floor mats or aftermarket wiring hanging around.
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Forum: C4 ZR-1 Technical Postings
03-20-2025
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Replies: 10
Views: 7,244
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Forum: C4 ZR-1 Parts For Sale / Wanted
02-19-2025
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Replies: 20
Views: 8,102
Re: FS: Seat Bladder Kits, Lumbar
No I am not. A fellow named Colton is fabbing an oem like bladder that works well. His name is Colton I believe. Search seat bladders and you should find him.
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Forum: C4 ZR-1 Technical Postings
02-13-2025
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Replies: 6
Views: 13,234
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Forum: C4 ZR-1 Technical Postings
01-07-2025
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Replies: 9
Views: 4,162
Re: Wheel hop issues
Yep I remember that. My FX3 was functional and shocks not leaking. Replaced all oem rear suspension rubber bushings with Energy Suspension polyurethane. I left the batwing as oem. I also replaced the...
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Forum: C4 ZR-1 General Postings
12-26-2024
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Replies: 3
Views: 860
Ertl ZR-1 Model Bought from CL
20858
20859
20860
Received this in mail today from a Craigslist vendor in AZ. Looks just fine for 20 dollars. He has plenty other years and colors. Kinda neat on my desk to add to other...
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Forum: C4 ZR-1 Technical Postings
11-28-2024
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Replies: 17
Views: 3,420
Re: Anyone changed their injectors themselves?
I learned by the master Marc himself. I bought the dvd. It?s worth it and satisfying. One must be detail oriented and focused. (Once I forgot to plug in the ignition control modules, no start, o crap)
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Forum: C4 ZR-1 General Postings
11-23-2024
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Replies: 16
Views: 7,331
Re: New Owner!
Welcome to the community. Stick with us and all will go well mechanically. Don?t let anyone touch it outside of the community. It is not a small block Chevy. Exercise the secondaries the secondaries...
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Forum: C4 ZR-1 Technical Postings
11-19-2024
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Replies: 7
Views: 4,311
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Forum: C4 ZR-1 Technical Postings
11-19-2024
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Replies: 2
Views: 7,562
Re: Motor Mounts
Anchor 2902 is the mount required. Anchor is a name brand for decades in rubber mounting systems. $52.12 each on Amazon. Jerry?s has them new OEM also.
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Forum: C4 ZR-1s for Sale / Wanted
11-11-2024
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Replies: 5
Views: 1,355
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Forum: C4 ZR-1 Technical Postings
11-04-2024
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Replies: 6
Views: 4,742
Re: Scan tool
I use an old Snap-On MT2500. Requires the card for GM obd1. Available on eBay at reasonable cost.
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Forum: C4 ZR-1 General Postings
10-19-2024
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Replies: 57
Views: 16,075
Re: Gathering 2025 and MR11
I just made reservation for Tom and I. We will be attending MR11 as well. These days it seems Quasar only gets out in May. But when May comes, she gets a LOT of attention. Looking forward to late...
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Forum: C4 ZR-1 Technical Postings
10-07-2024
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Replies: 12
Views: 11,868
Re: starter rebuild kit
Different starter design than a SBC. Contact is L shaped. Yes I did rotate them on SBC back when young and broke in 70?s and 80?s. No longer young and no longer broke but yet fix stuff rather than...
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Forum: C4 ZR-1 Technical Postings
10-07-2024
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Replies: 12
Views: 11,868
Re: starter rebuild kit
File the contacts to remove carbon deposits. I even use a die grinder stone on my battery drill to shine them up. The starters seem to require it at 30-40k miles of use.
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Forum: C4 ZR-1 Technical Postings
10-02-2024
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Replies: 27
Views: 13,176
Re: Dreaded no start
I file off the carbon tracks to shiny copper and reinstall. Good for another 35,000 miles.
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Forum: C4 ZR-1 NCRS Topics
09-10-2024
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Replies: 5
Views: 10,226
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Forum: C4 ZR-1 Technical Postings
07-20-2024
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Replies: 5
Views: 10,929
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Forum: C4 ZR-1 Technical Postings
07-19-2024
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Replies: 8
Views: 9,117
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Forum: C4 ZR-1 Technical Postings
07-19-2024
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Replies: 8
Views: 9,117
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Forum: C4 ZR-1 Technical Postings
07-19-2024
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Replies: 11
Views: 19,287
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Forum: C4 ZR-1 Technical Postings
07-19-2024
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Replies: 4
Views: 10,659
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Forum: C4 ZR-1 Technical Postings
07-19-2024
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Replies: 10
Views: 16,139
Re: 1991 ZR1 - Rack and pinion assembly
Trevor,
Most likely the rack is fine and the play is within the inner tie rod that threads onto the rack. Rockauto DORMAN IS200PR.
Rear wheel bearings usually make noise but not uncommon for...
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