Forum: C4 ZR-1 Technical Postings
05-01-2024
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Replies: 13
Views: 24,927
Re: Tire pressure sensors
You do not necessarily need the exact color sensor. I recall an article posted by the National Corvette Restorers Society that outlined how to adapt any sensor to function to at the wheel position...
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Forum: C4 ZR-1 Technical Postings
03-19-2024
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Replies: 30
Views: 14,090
Re: Headers
That looks like a liquidation price. If you want them, now?s the time. Mine were twice that amount. Good luck!
David
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Forum: C4 ZR-1 Technical Postings
12-04-2022
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Replies: 30
Views: 14,090
Re: Headers
Maximizers are stainless with a blasted texture. I had them power coated but it is not required. As I previously stated #1 tube had to be dimpled to clear the steering shaft. Other than that, a good...
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Forum: C4 ZR-1 Technical Postings
08-17-2022
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Replies: 21
Views: 19,009
Re: Exhaust doubts
I went with coated headers, MagnaFlow cats and MagnaFlow catback designed for LT1<4. I don't know if it had any effect on power, but I love the sound. It does have a slight bit of drone at cruise,...
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Forum: C4 ZR-1 Parts For Sale / Wanted
05-20-2022
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Replies: 14
Views: 2,674
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Forum: C4 ZR-1 Technical Postings
01-21-2022
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Replies: 30
Views: 14,090
Re: Headers
I have the Maximizer headers on my 91. Good quality and fit. I had to dimple #1 pipe to clear the steering shaft. I am in the Akron area if you would like to take a look.
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Forum: C4 ZR-1 Technical Postings
12-08-2020
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Replies: 20
Views: 6,621
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Forum: C4 ZR-1 General Postings
07-30-2020
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Replies: 10
Views: 1,212
Re: Lumbar Pads
You can use bladders from blood pressure cuffs. Order them on ebay. You will need three for each seat. You have to fold them for our seats. There is a youtube video showing someone doing C5 seats....
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Forum: C4 ZR-1 General Postings
04-14-2020
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Replies: 25
Views: 2,449
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Forum: C4 ZR-1 Technical Postings
02-05-2020
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Replies: 11
Views: 1,881
Re: Tire question
I went with Nitto NT555G2 and do not regret it. I have done three years of Touring laps at the Gathering and they have held up well. Not a track tire, but a good compromise and they perform well when...
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Forum: C4 ZR-1 Technical Postings
10-08-2019
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Replies: 5
Views: 4,416
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Forum: C4 ZR-1 Technical Postings
10-07-2019
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Replies: 5
Views: 4,416
Service ABS
I am getting a Service ABS light on the DIC. Is there an easy way to download codes for the ABS system?
Thanks
David
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Forum: C4 ZR-1 General Postings
07-25-2019
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Replies: 23
Views: 6,771
Re: LT5 383?
I agree with Marty. Buy a car that has the mods done. Selling prices for modded car are not much different than stockers, and since you are going to mod it, that's money saved that you can spend on...
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Forum: C4 ZR-1 General Postings
07-03-2019
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Replies: 189
Views: 28,580
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Forum: C4 ZR-1 General Postings
06-27-2019
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Replies: 36
Views: 6,323
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Forum: C4 ZR-1 Technical Postings
03-07-2019
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Replies: 23
Views: 4,499
Re: Exhaust Recommendation
IF my understanding is correct, calibration should be for the most free flowing exhaust condition. This is so that you don't run overly lean in WOT and fry something. If you have cut-outs, you might...
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Forum: C4 ZR-1 General Postings
01-04-2019
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Replies: 11
Views: 1,507
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Forum: C4 ZR-1 Technical Postings
11-09-2018
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Replies: 26
Views: 8,966
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Forum: C4 ZR-1 Technical Postings
11-09-2018
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Replies: 26
Views: 8,966
Re: OBX Headers a heat concern?
Mine were done by Cerakote At Northeast Coatings. They are right down the street from me. Cerkote has regional certified application specialist. They worked out very well for me.
David
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Forum: C4 ZR-1 General Postings
10-10-2018
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Replies: 6
Views: 845
Re: HOTB - Outstanding
I am not able to get the last two issues. Issue 50 is the last I can see. How do I resolve this?
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Forum: C4 ZR-1 Technical Postings
10-09-2018
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Replies: 44
Views: 13,086
Re: Maybe Clutch Switch?
Without the key in, should it not be infinite resistance? The pellet in the key is the resistor. I had this problem, and solved it by bypassing the key switch with a resistor soldered in the circuit.
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Forum: C4 ZR-1 Technical Postings
08-16-2018
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Replies: 1
Views: 706
Re: Looking for Car Timing Data
Check out the Tuning Presentation Marc made at this year's Gathering. You can find it on his website under Presentations.
David
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Forum: C4 ZR-1 General Postings
06-26-2018
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Replies: 3
Views: 604
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Forum: C4 ZR-1 General Postings
05-18-2018
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Replies: 70
Views: 10,239
Re: The C4 Gathering 2018
Can’t speak for everyone, but yes I haven’t stopped to post pictures. Lots o folks taking them, so I’m sure they will post them in due time. It has just been a busy and fun week
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Forum: C4 ZR-1 NCRS Topics
03-22-2018
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Replies: 18
Views: 2,717
Re: Lumbar bladder question
Youtube has some how to's for fixing the seat bladders using replacement part from blood pressure cuffs. Something I have been thinking about. It doesn't look too difficult.
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