Forum: C4 ZR-1 Parts For Sale / Wanted
21 Hours Ago
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Replies: 178
Views: 46,579
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Forum: C4 ZR-1 Technical Postings
6 Days Ago
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Replies: 13
Views: 910
Re: Another AC question
I read your original post just fine, but I will admit I don't understand why you say the compressor is running when a DTC code is present, since that shouldn't be happening, which as I mentioned...
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Forum: C4 ZR-1 Technical Postings
6 Days Ago
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Replies: 4
Views: 442
Re: Rear shock replacement, what else do I need?
Well Bilstein doesn't have the correct bushings, so I guess it's either new poly, or hope the originals are still OK...
"Bilstein does not offer replacement shock bushings for the Corvette ZR-1...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 13
Views: 910
Re: Another AC question
They do strange things sometimes.
Last year I was prepping our 2005 Bentley for a family trip, and the A/C had been a little underwhelming, so I got one of the typical auto parts store cans and...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 13
Views: 910
Re: Another AC question
Yes, I did read that, which is why I responded as I did.
The light should only flash for 1min, so that behavior is normal.
But per the FSM the compressor shouldn?t be cycling on at all if a...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 4
Views: 442
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 13
Views: 910
Re: Another AC question
My understanding is that when you get the code, it should not be trying to run the compressor, and if the compressor's not running, I think the pressures won't mean much.
If you're sure the...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 4
Views: 442
Rear shock replacement, what else do I need?
Just ordered the rear FX3 shocks from Rock Auto (they got down to $191 each so seemed like time to do it)
While I eventually want to do a full suspension rebuild, I'm currently planning to just...
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Forum: C4 ZR-1 General Postings
1 Week Ago
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Replies: 2
Views: 506
Re: New ZR1 Hagerty Video
Jason's earlier video on the C4 ZR-1 was great too. I got to talk to him at Amelia for a few minutes. He was a big fan of my 40th Anniversary!
https://youtu.be/6Vs2tdR-9C8?si=Hafo7Q5bQ4CMsJtf
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 6
Views: 460
Re: AC recharge
Yes, problem with those is there's no room to get it on the low side port. Not sure about other years but on 93 the low port is on the drier, facing the engine...
I got some 90 degree R134...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 6
Views: 460
Re: AC recharge
Yeah, I'd like to just do that, but since it seems to have a valve leak, I'm guessing it's going to lose its charge when I fix that, and require a full recharge.
OReilly's appears to have...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 6
Views: 460
Re: AC recharge
Well I think I've mostly answered my own questions.
FSM says 16oz of R12, and online search says R134=R12*.9-.25lb, so .65lb or 10.4oz..
And I see there is something about bypassing the safety...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 6
Views: 460
AC recharge
Over the winter my HVAC started giving me the code for low refrigerant.
It?s getting warm here now so I?m starting to look at this. When I take the cap off the low side port it sprays at me, so...
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Forum: Detailing, Cleaning, and Waxing
1 Week Ago
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Replies: 61
Views: 77,220
Re: Engine Cleaning
Hate to revive an old thread but this was still on the first page in the detailing section, so why not...
Somewhere along the way I was reading lots of suggestions for using Meguiar's NXT wax on...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 5
Views: 598
Re: Priming Oil System?
I have been seeing something making the rounds about using a "fog clear" mode apparently if you put the gas pedal all the way to the floor and start, it will turn over but not fire? I see it...
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Forum: C4 ZR-1 General Postings
03-18-2025
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Replies: 12
Views: 16,288
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Forum: C4 ZR-1 Technical Postings
03-18-2025
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Replies: 1
Views: 8,276
Need more noise, but got no money
Had my 93 ZR-1 for about 6 months now, enjoyed my first trip a couple weeks ago (about 1k miles round trip), and I think so far my only disappointment with the car is that it's just way too quiet! ...
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Forum: C4 ZR-1 General Postings
03-11-2025
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Replies: 7
Views: 7,795
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Forum: C4 ZR-1 General Postings
03-11-2025
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Replies: 7
Views: 7,795
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Forum: C4 ZR-1 General Postings
03-11-2025
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Replies: 7
Views: 7,795
ZR-1 at The Amelia
Last weekend was the 30th anniversary of "The Amelia" Concours on Amelia Island Florida. I've been a regular attendee since my parents moved to the island in 2007, though never participated in any...
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Forum: C4 ZR-1 General Postings
03-05-2025
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Replies: 20
Views: 11,165
Re: A New Guy Around Here
Welcome in! I'm pretty recent here too, bought my 93 in September.
Forums in general aren't what they used to be, a lot of the stuff moved to Facebook or elsewhere, but I find even if you get...
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Forum: C4 ZR-1 Technical Postings
02-27-2025
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Replies: 3
Views: 13,352
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Forum: C4 ZR-1 Technical Postings
02-26-2025
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Replies: 3
Views: 13,352
Nylon drain plug washer?
Just curious, as I'm doing my first oil change on my 93 ZR-1 and removing the plug was surprised to see a very old, cracked white plastic washer.
My car has 64,000 miles and according to the...
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Forum: C4 ZR-1 Technical Postings
02-12-2025
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Replies: 22
Views: 14,348
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Forum: C4 ZR-1 General Postings
01-24-2025
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Replies: 1
Views: 842
40th Anniversary VINs
Just curious on this, I stumbled across this thread from 2009 that lists 243 VINS for 40th anniversary cars, but I've always seen that there were 245 40A cars...
Anyone know the other 2?...
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