Forum: C4 ZR-1 Technical Postings
23 Hours Ago
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Replies: 4
Views: 113
Re: Code 61 with secondary system removed?
scorp, those diagnostics are looking for min and max voltages at the port throttle vacuum sensor. They need to be changed if you have removed throttles and vac sensor.
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 18
Views: 2,250
Re: Is there a $F0 source/assembly file anywhere?
If I remember, the "ANHT" hac was more closely related to the LT5 code at the time. It almost seemed like the various operating code sections were pulled from a menu and inserted into whatever...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 18
Views: 2,250
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 18
Views: 2,250
Re: Is there a $F0 source/assembly file anywhere?
Many many years ago I made a complete, fully commented disassembly of BFXB, and BMCB. Had the others partially complete but moved on to other things. Had full access to the source code to add,...
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 18
Views: 2,250
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
03-04-2024
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Replies: 0
Views: 146
FS- New RAM dual disc setup
FS: BNIB Ram force 9.5 dual disc clutch kit from Jerry's Gaskets. This is the organic friction disc version for 93-95 models. Includes lightweight billet aluminum flywheel. Never installed....
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
02-06-2024
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Replies: 7
Views: 528
Re: CP big bore 427 CDI pistons
I recognize those. Those were ordered for the original big bore motor that AES did for me back in 2009. They messed it up and didn?t order the valve reliefs I specified. Therefore they had to...
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Forum: C4 ZR-1 Technical Postings
10-15-2023
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Replies: 9
Views: 2,039
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
09-12-2023
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Replies: 0
Views: 320
Lightweight or DLC coated lifters
I bought extra sets of cam followers/lifters for some recent projects to get the unit cost down. As a result, I am offering these for sale:
VW/ Audi lightweight hydraulic followers. Made by INA...
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Forum: C4 ZR-1 General Postings
07-15-2023
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Replies: 0
Views: 400
GM dealer service records
Anybody have access to GM dealer service records? I have a 95 engine with unknown history but we know it was a warranty replacement early in its life. Have a VIN, but no way to lookup service...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
06-30-2023
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Replies: 0
Views: 320
WTB- 4.00" crankshaft
I am looking for a 4.00" stroke Bryant or Moldex crankshaft. If anyone has one they are willing to part with, please hit me up.
Todd
Pepmeierengines@yahoo.com
Sent from my iPhone using...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
05-26-2023
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Replies: 3
Views: 1,057
Re: Garage Sale
All the 4-bolt parts are now sold.
Thanks,
Todd
Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
05-21-2023
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Replies: 3
Views: 1,057
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
05-11-2023
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Replies: 3
Views: 1,057
Garage Sale
Garage Sale.... I am clearing out the shop. Let me know your interest.
-- Brand new 93-95 4-bolt factory block. Maybe the last one around? $2450
-- Brand new 93-95 front cover. $350
-- Brand...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-11-2023
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Replies: 0
Views: 282
New hardware order
Group buy for a) head studs $$1650, b) main studs 2-bolt $650, 4-bolt $1200.
Perimeter studs in stock also.
Todd
Sent from my iPhone using ZR-1 Net Registry...
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Forum: C4 ZR-1 Technical Postings
03-23-2023
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Replies: 3
Views: 779
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Forum: C4 ZR-1 Technical Postings
02-23-2023
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Replies: 18
Views: 2,801
Re: Secondaries indicator?
Nice work. I?ve also always wondered if the Full Power lamp is still in place on the later cars.
Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)
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Forum: C4 ZR-1 Technical Postings
10-28-2022
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Replies: 9
Views: 924
Crankshaft cup plugs
What are your preferred methods for removing the old crank plugs and pressing in new ones? Does anyone have a tool for that?
Todd
Sent from my iPhone using ZR-1 Net Registry...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
10-27-2022
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Replies: 3
Views: 588
Re: FS: billet camshafts
Down to my last set of cores. 2000 for the cores. Can be finished to custom specs.
Sent from my iPhone using ZR-1 Net Registry (http://r.tapatalk.com/byo?rid=90383)
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
10-05-2022
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Replies: 3
Views: 588
FS: billet camshafts
I have two additional sets of billet tool steel camshaft cores. Normally these go for $2400 semi-finished, and $1500 to finish to any custom spec.
I will offer these at $2000/ set for the...
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Forum: C4 ZR-1 General Postings
06-22-2022
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Replies: 6
Views: 545
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Forum: C4 ZR-1 General Postings
06-04-2022
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Replies: 5
Views: 655
Re: correct washer
Jerry, you?re efforts to keep these cars alive for years to come is so much appreciated by all of us. Thanks for what you do. It?s the small parts that matter.
Sent from my iPhone using ZR-1...
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Forum: C4 ZR-1 Technical Postings
12-14-2021
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Replies: 2
Views: 855
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Forum: C4 ZR-1 Technical Postings
12-14-2021
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Replies: 2
Views: 855
Big bore Open deck sleeves
I posted these to my facebook account, but wanted to share here. These turned out great, even though the lead time was quite long. Capable of 4.125 bore. Minimal block machining required to fit...
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Forum: Review/Evaluation
10-28-2021
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Replies: 11
Views: 1,724
Re: LT6 / C8 Z06 engine
The more I learn about this engine, the more blown away I become. I can't find a single design where they compromised. This could pass for a full blown race engine, but with a warranty and emissions...
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