Forum: C4 ZR-1 Parts For Sale / Wanted
4 Days Ago
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Replies: 2
Views: 280
Re: WTB - LT5 Air horn
https://www.jerrysgaskets.com/horn-throttle-body-air-used-91-95-5b/
https://cdn10.bigcommerce.com/s-nkg90o/products/303/images/1534/12509722_UA__85002.1441372313.1280.1280.jpg?c=2
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 21
Views: 3,299
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Forum: C4 ZR-1 Technical Postings
1 Week Ago
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Replies: 21
Views: 3,299
Re: Poor running
Just read this post.
For the time being, I suggest setting aside the Code 42 issue and check something else that is much simpler and a frequent cause of the symptom you describe.
Fuel Pressure:...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 7,633
Re: Dreaded Upper Cam Chain Guide Failure
You can tell from the lack of response to the missing facings and extensive wear on the guides themselves, that this is an unusual failure, because no one has ventured to answer.
The fact that...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 7,633
Re: Dreaded Upper Cam Chain Guide Failure
I think your first question should be what caused this?
The Secondary Cam Chains had to be running very loose and making some sort of racket. I think you are pretty fortunate that you didn't...
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Forum: C4 ZR-1 Technical Postings
4 Weeks Ago
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Replies: 17
Views: 7,633
Re: Dreaded Upper Cam Chain Guide Failure
I am making a run of the Cam Cover Secondary Chain Guides now. So they will be available shortly.
I have lots of inventory of all of the chain guide facings, having made those several years ago.
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Forum: C4 ZR-1 Parts For Sale / Wanted
03-08-2025
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Replies: 4
Views: 4,774
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Forum: C4 ZR-1 Technical Postings
03-08-2025
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Replies: 6
Views: 13,436
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Forum: C4 ZR-1 Parts For Sale / Wanted
03-08-2025
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Replies: 4
Views: 4,774
Re: WTB Crankshaft timing slot locator
Jerrys Gaskets has LT5 special tools available for rental or purchase. Rental terms for all tools are the same, 25% of the purchase price for 30 days. Details are in the descriptions.
Here is...
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Forum: C4 ZR-1 Technical Postings
02-26-2025
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Replies: 3
Views: 9,384
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Forum: C4 ZR-1 Technical Postings
02-20-2025
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Replies: 3
Views: 6,099
Re: Oil Pressure Sensor
I think you are mixing/confusing the Oil Pressure Sensor (3 wire) with the Oil Pressure Switch (1 wire)
SENSOR https://www.jerrysgaskets.com/sensor-oil-pressure-guage-3-terminal-new-90-95-9b2/...
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Forum: C4 ZR-1 General Postings
02-11-2025
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Replies: 16
Views: 5,701
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Forum: C4 ZR-1 General Postings
02-09-2025
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Replies: 30
Views: 3,487
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Forum: C4 ZR-1 General Postings
02-02-2025
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Replies: 5
Views: 1,610
Re: Post Editing by Board Members
I would have to agree with Dynomite on this matter.
IF a post does not violate forum rules, then Right, Wrong or Indifferent, the post should not be arbitrarily modified, without first contacting...
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Forum: C4 ZR-1 General Postings
01-26-2025
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Replies: 1
Views: 582
Re: 40th Anniversary VINs
I have a complete list of all 245
Here is what I have on your Ruby:
1G1YZ23J4P5800315 USA NY
last known mileage 55,069 30-Sep-03
last known location : Unk, IL, on 25-Jan-94
last known...
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Forum: C4 ZR-1 Technical Postings
01-23-2025
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Replies: 16
Views: 23,335
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Forum: C4 ZR-1 Technical Postings
12-09-2024
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Replies: 11
Views: 5,897
Re: Stainless Braided Flex Lines
Are you referring to Oil Cooler Lines, brake lines, Clutch Slave, or just Russell brand lines/fittings.
The solutions link needs updated if the SecondChance & JeffVette Oil cooler adapters are...
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Forum: C4 ZR-1 Technical Postings
12-06-2024
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Replies: 17
Views: 3,470
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Forum: C4 ZR-1 General Postings
11-20-2024
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Replies: 16
Views: 7,500
Re: New Owner!
Beautiful ZR-1. So many ways to enjoy the C4 ZR-1. My favorites; (1) Local car shows, listening to the comments of spectators and (2) just cruising and (3) the lifetime friends you will make from...
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Forum: C4 ZR-1 General Postings
10-22-2024
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Replies: 1
Views: 1,488
Re: Correct dipstick
email me & I will send you a photo with dimensions.
store.jerrysgaskets@gmail.com
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Forum: C4 ZR-1 General Postings
10-17-2024
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Replies: 4
Views: 1,829
Re: C4/LT5 work in North Carolina?
I have done business with Doug Murph/Pettys Garage in Randleman, NC. They performed an LT5 368 build. I can recommend them, insofar as engine work.
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Forum: C4 ZR-1 Technical Postings
09-25-2024
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Replies: 14
Views: 8,504
Re: My first (and last I hope !) backfire
Yes, just not as bad. When the engine is running in closed loop, vacuum for the SPT is supplied from the engine intake (the port on the driver side) The SPT vacuum pump is to open the SPT when...
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Forum: C4 ZR-1 Technical Postings
09-24-2024
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Replies: 14
Views: 8,504
Re: My first (and last I hope !) backfire
True, but as a temporary measure, if the check valve is bad, you can install a good check valve on the outside of the plenum, between the pipe & hose, until you get around to pulling the plenum
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Forum: C4 ZR-1 Technical Postings
09-24-2024
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Replies: 14
Views: 8,504
Re: My first (and last I hope !) backfire
Sounds like you have a vacuum leak, likely in the Secondary Port Throttle (SPT) System. There is a rubber hose connection, near the alternator, in the hard plastic line from the vacuum pump to the...
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Forum: C4 ZR-1 Technical Postings
09-23-2024
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Replies: 8
Views: 6,551
Re: Bringing the Champ back to fighting condition
Point made and well taken. However, I recommend it on terminals, NOT for conductivity but rather prevention of oxidation & corrosion which is damaging to metal parts and thusly the conductivity of...
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