Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 4
Views: 557
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 4
Views: 557
Re: Rear shock replacement, what else do I need?
My experience with replacing OEM rubber bushings with aftermarket poly bushings was, due to incompressability of poly, relative height of shock actuator gear was too low relative to the cup on top...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 16
Views: 1,207
Re: Another AC question
Perhaps, a professional shop with AC equipment vacuuming the system might dislodge whatever may be creating the blockage?
Just a thought...
BTW - did you check and see if secondary cooling fan (on...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 6
Views: 576
Re: AC recharge
I was not aware of 93 having low pressure side port being on the drier. 94 shrader valve is on the passender side parallel to the motor.
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 6
Views: 576
Re: AC recharge
https://www.amazon.com/Ausfyyam-Remover-Installer-Adapters-Refrigeration/dp/B0CFV8PCXS/ref=sr_1_11?crid=3PIAL1EKJUYR&dib=eyJ2IjoiMSJ9.zsvXiSGlp2ByA8F1XoQCajE0nZg66kCUPDFi3xKfjg7HWw8moR8iHkZycAy3pJoX5g...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 6
Views: 576
Re: AC recharge
When my 94 was low on charge, I hooked up AC Pro canister and charged until I got around 4.2 psi on the low side since I wanted to avoid over charging. Going by weight involves total evacuation and...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 2
Views: 444
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Forum: C4 ZR-1 Technical Postings
05-05-2025
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Replies: 2
Views: 2,466
Re: Seat track transmission rebuild kit
Congratulations Steve. Salute your resolve and talent. My driver side was acting up for rear up and down movement. Took the 3 motor module apart and had a heck of a time putting it back together....
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Forum: C4 ZR-1 Technical Postings
04-08-2025
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Replies: 24
Views: 11,161
Re: Poor running
Haven?t done it for awhile but clearing code, I believe, involves disconnecting the battery for a couple of minutes.
Hitting metric button and gauge button is for clearing oil change reminder light.
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Forum: C4 ZR-1 Technical Postings
04-08-2025
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Replies: 24
Views: 11,161
Re: Poor running
May be disconnect map sensor hose and start the car. If no difference, may be MAP sensor gone bad.
You shorted the ALDL into diagnostic mode and after flashing ?12?, no more codes. Right?
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Forum: C4 ZR-1 Technical Postings
04-08-2025
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Replies: 24
Views: 11,161
Re: Poor running
Assuming you are new to ZR-1 (and you may not be), a lot of LT5s ended up with leaky injectors due to OEM injectors not fairing too well with ethanol found in gasoline.
Has the car run poorly since...
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Forum: C4 ZR-1 Technical Postings
04-07-2025
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Replies: 24
Views: 11,161
Re: Poor running
https://www.zr1.net/forum/showthread.php?t=27718
At least for Bill, H42 was caused by low voltage at battery.
Based on my experience from way back when, did you check vacuum line from MAP sensor...
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Forum: C4 ZR-1 General Postings
03-31-2025
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Replies: 6
Views: 6,979
Re: Vacuum line replacement
Typical auto part chains - advance auto part, autozone - have a rack with rubber fittings. You can trip air broken sections with rubber fittings.
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Forum: C4 ZR-1 Parts For Sale / Wanted
03-24-2025
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Replies: 2
Views: 5,172
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Forum: C4 ZR-1 General Postings
03-24-2025
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Replies: 3
Views: 7,237
Re: Seat cover recommendations
I redid my 94 with Al Knoch corvette seat covers. Also helped another Wazoo member with 90 sport seats. You will need hog rings and hog ring plier.
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Forum: C4 ZR-1 General Postings
03-18-2025
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Replies: 12
Views: 16,517
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Forum: C4 ZR-1 General Postings
03-12-2025
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Replies: 7
Views: 7,843
Re: ZR-1 at The Amelia
Very nice story. I was at Amelia Island around July-August 2000 right after picking up my 94 in Alabama.
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Forum: C4 ZR-1 Technical Postings
03-11-2025
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Replies: 10
Views: 14,330
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Forum: C4 ZR-1 General Postings
03-06-2025
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Replies: 20
Views: 11,264
Re: A New Guy Around Here
I had a 93 850ci - 5 litre V12. I think 290 hp, if I remeber correct. Beautiful car but weighed I think around 4,200 lbs. I missed my 91 Z so much I sold the BMW in 2000 and found my 94 Z with 30,000...
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Forum: C4 ZR-1 General Postings
02-27-2025
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Replies: 10
Views: 9,422
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Forum: C4 ZR-1 General Postings
02-26-2025
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Replies: 10
Views: 9,422
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Forum: C4 ZR-1 Technical Postings
02-14-2025
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Replies: 22
Views: 14,499
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Forum: C4 ZR-1 Technical Postings
02-13-2025
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Replies: 22
Views: 14,499
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Forum: C4 ZR-1 Technical Postings
02-11-2025
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Replies: 22
Views: 14,499
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Forum: C4 ZR-1 Technical Postings
02-10-2025
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Replies: 22
Views: 14,499
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