Forum: C4 ZR-1 Technical Postings
01-02-2024
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Replies: 17
Views: 2,465
Re: 90 ZR1 Randomly Dies
Once it finally cooled down in Houston, I got the chance to troubleshoot it some. I quickly saw I wasn't getting consistent fuel pressure. Tracing the electrical, I ended up finding that one of the...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
11-02-2023
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Replies: 1
Views: 790
WTT: 1990 Black/Black 21k miles
Before I post the car up for sale in the spring, I thought I'd see if there's anyone out there interested to trade ZR-1s. I'm looking for a 1990-93 in any color but black or white, clean, and...
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Forum: C4 ZR-1 Technical Postings
10-10-2023
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Replies: 5
Views: 978
Re: Weird occurance...
Agree on being main power related, and the clicking you hear would be the relays as they don't have enough power to keep closed. It could also be a loose connection.
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Forum: C4 ZR-1 Technical Postings
10-10-2023
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Replies: 1
Views: 658
1990 AC Compressor Clutch Connector
So in replacing the AC Compressor, I broke the connector and would like to repair it correctly but I can't seem to find any part number. It looks like it's a Metri Pack 280 style, but it's a bit...
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Forum: C4 ZR-1 Technical Postings
02-14-2023
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Replies: 17
Views: 2,465
Re: 90 ZR1 Randomly Dies
Another good and unique suggestion. I had just below half a tank because I remember thinking I was about to be 15 mins early for where I was going and thinking I might just stop to top off to waste...
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Forum: C4 ZR-1 Technical Postings
02-13-2023
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Replies: 17
Views: 2,465
Re: 90 ZR1 Randomly Dies
This is a very interesting thought and would be a pretty easy check, thanks!
I used the Flyman pump assembly, you end up removing/isolating the 2nd pump wiring.
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Forum: C4 ZR-1 Technical Postings
02-12-2023
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Replies: 17
Views: 2,465
Re: 90 ZR1 Randomly Dies
Installed a new wix filter at same time as fuel pump, so less than 2k miles. Also brand new pump sock and hanger assembly.
I'll still plan to add fuel pressure monitoring to my trouble shooting...
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Forum: C4 ZR-1 Technical Postings
02-11-2023
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Replies: 17
Views: 2,465
90 ZR1 Randomly Dies
Did a bit of searching but wasn't seeing anything quite following my symptoms (many related to dieing at idle, cold or warm, or running rough).
Have a 1990, last drove it maybe 4 weeks ago and...
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Forum: C4 ZR-1 General Postings
08-11-2022
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Replies: 29
Views: 1,829
Re: Wazoo to the rescue AGAIN
Thanks for the feedback, was a bit curious because as we know repairs can go wrong and people can try to take advantage of each other. However, that comradery and support is just amazing, hats off...
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Forum: C4 ZR-1 General Postings
08-10-2022
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Replies: 29
Views: 1,829
Re: Wazoo to the rescue AGAIN
So great to see the community support.
I always see the posts about the Wazoo group and events. Anyone care to give a bit of detail about the Wazoo maintenance days? Have been considering...
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Forum: C4 ZR-1 Technical Postings
07-23-2022
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Replies: 19
Views: 1,761
Re: Don?t hit rev limiter.
On the cruise control front there's some good threads on the troubleshooting. Mine was a hole had worn in the vacuum line running to the cruise diaphragm on the drivers side. There's also a vacuum...
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Forum: C4 ZR-1 Technical Postings
07-21-2022
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Replies: 10
Views: 1,160
Re: How do you fix this?
Order new torx screws and deal with the struggle now while you can plan ahead for it. Not being able to remove the plenum isn't going to work for maintaining these cars. Everything is mounted under...
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Forum: C4 ZR-1 Technical Postings
07-19-2022
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Replies: 10
Views: 1,234
Re: Haibeck chip and power key
The Haibeck chip is not able to program the key on a 1990, only 91-95. I recently installed a Haibeck chip on my 1990 and sometimes the key switch contacts on mine can be a little touchy so it needs...
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Forum: C4 ZR-1 Technical Postings
07-07-2022
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Replies: 9
Views: 778
Re: 1992 Fuel Pumps - Which Walbro Model
I went with the single pump kit from Flyman on here. A single 255 lph pump which is more than enough for even a decently built motor. A little reassurance just dropping in a whole new sending unit...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
07-07-2022
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Replies: 6
Views: 1,150
Re: 1994 Admiral ZR1 19k miles
Beautiful car, my dream is to one day own an Admiral Blue ZR1, but of course all these great cars come up shortly after I finally settled into a first ZR1 purchase.
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Forum: Cleaning and Waxing
07-05-2022
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Replies: 6
Views: 1,572
Re: Restoring Black Trim
A good cleaning to removed any dirt and contaminants from the texture and then a plastic/rubber trim dressing. As mentioned, Adams VRT is popular (I have not used it) or I use CarPro Perl which...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
07-05-2022
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Replies: 16
Views: 1,518
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Forum: C4 NCRS for ZR-1s
07-05-2022
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Replies: 83
Views: 11,725
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Forum: C4 ZR-1 General Postings
06-14-2022
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Replies: 9
Views: 1,367
Re: The picture says it all.
I absolutely hate valet parking and do anything I can to avoid it. One time though, was with my girlfriend at the time and we were going to dinner with another couple who chose the place. We were...
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Forum: C4 Members' Rides
05-31-2022
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Replies: 14
Views: 1,412
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Forum: C4 NCRS for ZR-1s
05-31-2022
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Replies: 83
Views: 11,725
Re: 1990 ZR-1 #2456 Original Components
Some great documentation Mark, and a really time capsule. Your pictures here are going to give me a good starting point to document what still remains on #941 after 21k miles.
A couple additional...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
05-27-2022
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Replies: 54
Views: 7,672
Re: FS Single fuel pump conversion for LT5
Installed the single pump from Flyman on my 1990, was about an hour job in total. What's really nice is that he's already done the wiring on the tank side so the sending unit plugs directly into the...
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Forum: C4 Members' Rides
05-27-2022
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Replies: 14
Views: 1,412
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Forum: C4 Members' Rides
05-27-2022
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Replies: 14
Views: 1,412
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Forum: C4 Members' Rides
05-27-2022
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Replies: 14
Views: 1,412
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