Forum: C4 ZR-1 Technical Postings
1 Hour Ago
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Replies: 10
Views: 140
Re: Transmission or clutch ?groan? sound?
It was a squealing groan with clutch suppressed when cold. Figured it was throw out bearing or flywheel/ main shaft bushing. Most likely the latter. Hasn?t done it for 5 years. Returned from...
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Forum: C4 ZR-1 General Postings
2 Hours Ago
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Replies: 1
Views: 53
Re: MR10 and Gathering pics
1 and 2 at Charlotte Motor Speedway. Note rain.
3 and 4 at cabin of Jay Zeigler who purchase an un-Z with non operational secondaries. Donna is now the REV limiter!
5 is a very small glimpse of...
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Forum: C4 ZR-1 General Postings
3 Hours Ago
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Replies: 1
Views: 53
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Forum: C4 ZR-1 Technical Postings
3 Hours Ago
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Replies: 10
Views: 140
Re: Transmission or clutch ?groan? sound?
77 k miles. Original clutch. I had those noises a while back but went away. Don?t fix what is not yet really broke. Moana and groans are every time I try to get out of my Z!
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Forum: C4 ZR-1 Technical Postings
3 Hours Ago
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Replies: 6
Views: 754
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Forum: C4 ZR-1 Technical Postings
3 Hours Ago
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Replies: 1
Views: 79
Re: High idle
Buy throttle body cleaner spray. Remove accordion. Spray clean all well. Especially the little plate. Remove aluminum cover over cable. Spray all the mechanism with spray. First idea is grime...
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Forum: C4 ZR-1 Technical Postings
2 Weeks Ago
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Replies: 5
Views: 1,022
Re: Help with no start PLEASE.
See the STICKIES about no start and read up. Get a fuel pressure gauge to see what you have. Both fuel pumps run for a bit to start the engine. Then the secondary pump goes off. If primary pump is...
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Forum: C4 ZR-1 Technical Postings
3 Weeks Ago
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Replies: 7
Views: 804
Re: Horn won't blow
First check you have power at connector. If so scrape and clean the round swaged electric connection on the horn. Solder between the two. That press connection has eroded and lost continuity. I have...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 5
Views: 1,022
Re: Help with no start PLEASE.
Use a mirror to confirm sensor is against the block
Confirm sensor is completely snapped into connector
Confirm fuel pressure is to spec. Likely your primary fuel pump went bad.
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Forum: C4 ZR-1 Technical Postings
04-03-2024
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Replies: 7
Views: 527
Re: Fuel Pressure Problem
And one ft of hose can set you back 30 bucks. It is available on Amazon. Get high pressure clamps too. Not the low pressure screw on the side type.
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Forum: C4 ZR-1 General Postings
04-02-2024
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Replies: 5
Views: 518
FL to MR10 caravan invite
Three of us are meeting in Jacksonville, FL the morning of Sunday May 5 to caravan to MR10. If anyone is interested let me know for details. The route is JAX FL to Augusta GA, take Moonshiner 28 to...
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Forum: C4 ZR-1 Technical Postings
03-29-2024
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Replies: 5
Views: 515
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Forum: C4 ZR-1 General Postings
03-24-2024
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Replies: 4
Views: 429
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Forum: C4 ZR-1 General Postings
03-01-2024
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Replies: 12
Views: 881
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Forum: C4 ZR-1 Technical Postings
02-28-2024
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Replies: 7
Views: 448
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Forum: C4 ZR-1 General Postings
02-26-2024
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Replies: 12
Views: 881
Re: New Tires
Mickey Thompsons are made in China. Remember that any all season tire has a harder rubber compound for longer life and are not a high traction high-performance tire. 300 treadwear seems to be the...
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Forum: C4 ZR-1 General Postings
02-23-2024
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Replies: 1
Views: 286
Kudos to Mark Horner for HOTB bearing article
After MR8 and the following Gathering at BG I drove home with complaining rear wheel bearings. Replaced them both with Moog. After MR9 I did a LOF and checked the car over. Front left wheel bearing...
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Forum: C4 ZR-1 General Postings
02-23-2024
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Replies: 12
Views: 881
Re: New Tires
Mickey Thompson Street Comp have done well for me on highway and on track. They did great after a big rain on the NCM track in 2022. I auto cross with confidence on full brake and turn in. Their...
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Forum: C4 ZR-1 General Postings
01-04-2024
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Replies: 8
Views: 1,028
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Forum: C4 ZR-1 Technical Postings
01-01-2024
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Replies: 37
Views: 10,734
Re: Oil Pressure Switch
I bought two oil pressure switch sockets on Amazon. Cut them and welded them to be deep enough to go over that TALL sensor.
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Forum: C4 ZR-1 Technical Postings
12-08-2023
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Replies: 4
Views: 1,847
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Forum: C4 ZR-1 Technical Postings
11-04-2023
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Replies: 4
Views: 1,631
Re: TPMS
Carefully cut and positioned black tape is equally effective.
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Forum: C4 ZR-1 Technical Postings
10-11-2023
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Replies: 4
Views: 1,157
Re: Fuel gauge inaccurate
You are on track. Possibly the arm got tweaked/bent. Why is it easy to get the pumps out and a pain to get back in? Mystery.
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Forum: C4 ZR-1 General Postings
10-11-2023
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Replies: 59
Views: 24,849
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Forum: C4 ZR-1 General Postings
10-10-2023
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Replies: 59
Views: 24,849
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