Forum: C4 ZR-1 Technical Postings
11 Hours Ago
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Replies: 10
Views: 1,166
Re: Radio will not work
Another vote for what Steve suggests. In my car all 6 components - headunit, CDM, 4 amps - were faulty and had to be fixed. 2 amps had to be replaced
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Forum: C4 ZR-1 Technical Postings
11 Hours Ago
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Replies: 16
Views: 901
Re: Engine noise- stuck lifter?
I tend to agree that it's not a coil pack issue. I had a faulty coil last year, one cylinder was down to no spark, and there was no noticeable noise but a MASSIVE loss on power. Car was merely...
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Forum: C4 ZR-1 General Postings
11 Hours Ago
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Replies: 13
Views: 1,031
Re: Hello from the UK! :)
Hey folks, allow me to add some German knowledge. what you see there is a standard German VIN plate. These are required on any car in addition to a VIN being stamped into the frame. So the VIN...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 6
Views: 605
Re: Racetronix Injectors - any good?
I will consider this once I replace them. These were installed 25 years or so ago and I have absolutely no information about them.
maybe it's simply worth to swap them and do it right this time.
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 6
Views: 605
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 6
Views: 605
Racetronix Injectors - any good?
After long research what type of Injectors are in m Z I finally stumbled across those https://www.racetronix.biz/p/205-lb-hr-hi-z-injector-zr1-secondary/01d044x
Considering the amount of rust they...
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Forum: C4 ZR-1 Technical Postings
04-24-2024
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Replies: 2
Views: 1,010
HVAC control unit issues
I occasionally have random ssues with my air conditioning. Such as
- system spontaneously falls back to "default" mode (24?C, AC on, all on "Auto", etc)
- system won't react to pushing any...
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Forum: C4 ZR-1 Technical Postings
04-24-2024
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Replies: 5
Views: 1,360
Re: starter rebuild kit
Charlie, can any of you wazoo guys bring a set to the MR / gathering?
I urgently need one and that's my ultimate chance to get it...
Thanks!
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Forum: C4 ZR-1 General Postings
04-05-2024
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Replies: 5
Views: 905
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Forum: For Sale & Wanted (General)
03-11-2024
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Replies: 0
Views: 2,737
WTB Cadillac Escalade 2017 or newer
Hi all,
a friend's friend over here in Germany is looking for a Cadillac Escalade ESV Platinum.
Must be 2017 or newer with less than 100,000 mls.
Black or Grey over black interior.
If...
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Forum: C4 ZR-1 Technical Postings
02-26-2024
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Replies: 13
Views: 1,241
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Forum: C4 ZR-1 Technical Postings
02-07-2024
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Replies: 14
Views: 2,321
Re: Horsepower difference ?
Very interesting consideration! Thanks Marc. Indeed your thoughts don't indicate a common issue. And it shows that cylinder head, camshaft and exhaust design is way more complex than an average brain...
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Forum: C4 ZR-1 Technical Postings
02-02-2024
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Replies: 14
Views: 2,321
Re: Horsepower difference ?
So... Is that still a potential issue to all 375HP LT-5 that run with OEM cat?
E.g. when I bought mine the left cat was crumbled and had to be replaced.
Just out of curiosity. I don't think...
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Forum: C4 ZR-1 Technical Postings
01-23-2024
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Replies: 14
Views: 2,321
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Forum: C4 ZR-1 Technical Postings
01-19-2024
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Replies: 8
Views: 758
Re: Bose replacement speaker chassis?
Thanks for the research! I'll check that out. I also spoke to Bose Central and they seem to offer replacement speakers, too.
Also thanks Charlie, I'll get in touch with Don, too. I know him from...
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Forum: C4 ZR-1 Technical Postings
01-16-2024
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Replies: 8
Views: 758
Bose replacement speaker chassis?
Many of us have rebuilt their Bose head unit, cdm and amps. But considering the age of our beasts I was wondering if there are quality replacements for the Bose speaker chassis themselves.
All the...
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Forum: C4 ZR-1 Technical Postings
01-16-2024
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Replies: 3
Views: 548
Re: SYS Light on Dash
As Crabs says: battery. You may also want to check the battery pole bolts for loose connection. I had a cross treated battery terminal causing power fluctuations.
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Forum: C4 ZR-1 General Postings
01-03-2024
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Replies: 8
Views: 1,172
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Forum: C4 ZR-1 General Postings
12-24-2023
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Replies: 12
Views: 977
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Forum: C4 ZR-1 Technical Postings
12-05-2023
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Replies: 4
Views: 1,982
Re: FX3 expectations, general questions
I can only confirm what Brian states. Tour is definitely kinda comfortable, Performance isn't. There's even a clearly noticeable different feeling under hard acceleration.
The differences in damping...
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Forum: C4 ZR-1 Technical Postings
11-23-2023
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Replies: 15
Views: 7,597
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Forum: C4 ZR-1 General Postings
11-16-2023
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Replies: 10
Views: 3,497
Re: LT5 vs LT4 YouTube Video
That's probably the only major pitfall in that whole great video. They tested 0-60 without actually wanting to know what the cars can do. Finding out maximum acceleration capacity requires to max out...
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Forum: C4 ZR-1 Technical Postings
11-07-2023
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Replies: 15
Views: 7,597
Re: Winter projects
Seems #10 has a magical attraction to it as a similar item is on my list, too [emoji6]
However, as I had to replace all suspension bushings, rear wheel bearings, front tie rod ends, all ignition...
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Forum: C4 ZR-1 General Postings
11-07-2023
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Replies: 10
Views: 3,497
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Forum: C4 ZR-1 General Postings
10-21-2023
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Replies: 44
Views: 11,397
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