Forum: C4 ZR-1 Technical Postings
08-08-2023
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Replies: 2
Views: 474
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Forum: C4 ZR-1 Technical Postings
08-08-2023
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Replies: 2
Views: 474
Re: Calling Pete Polatisis
Hi Steve
I made a tool to help measure spacing of the bearing.
Its basicly a input shaft collar.
I'll try and post a pic.
Pete
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
04-21-2023
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Replies: 9
Views: 805
160* Thermostats
I had a few 160* thermostats made for our LT5's
Thermostat w/seal $99 + shipping
If interested contact me via email.
Petezr1@gmail.com
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Forum: C4 ZR-1 Technical Postings
12-29-2021
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Replies: 25
Views: 3,396
Re: Weird stuttering issue
Thank you Ron
I'll be testing new custom induction/TB set up hoping to squeeze a few more out of my 441 :thumbsup:
Will keep you guys posted.
Pete
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Forum: C4 ZR-1 Technical Postings
12-14-2021
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Replies: 25
Views: 3,396
Re: Weird stuttering issue
Try this.
And do not over gap plugs.
They're some expensive spark plugs that our cars do not like.
Try some cheap AC Delco #41-602 $20 gap at .035.
Pete
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Forum: C4 ZR-1 Technical Postings
12-05-2021
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Replies: 25
Views: 3,396
Re: Weird stuttering issue
Just because full power is always active and secondaries removed does not mean they are working.
Just because you dont have CEL does not mean you have no codes.
Check codes n get back.
Shuttering...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
11-04-2021
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Replies: 11
Views: 1,874
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
10-19-2021
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Replies: 11
Views: 1,874
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
10-18-2021
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Replies: 11
Views: 1,874
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
08-28-2021
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Replies: 7
Views: 1,008
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
08-27-2021
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Replies: 7
Views: 1,008
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
08-27-2021
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Replies: 11
Views: 1,874
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
08-27-2021
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Replies: 7
Views: 1,008
Re: WTB Transmission
I have one with 3rd gear syncro bad gear still works.
$450
You have to pick up or arrange shipping.
Pete
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Forum: C4 ZR-1 Technical Postings
08-18-2021
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Replies: 3
Views: 626
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
08-03-2021
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Replies: 11
Views: 1,874
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
07-26-2021
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Replies: 11
Views: 1,874
FS: B&B exhaust,Dana 44
Dana 44 3.90 gears.
Complete B&B Tri-Flo w/X-pipe,bullits & NPP flappers.exhaust is welded.
$1400 for both
Also have a ZF trans bad 3rd gear syncro good for parts or rebuild.
$450
These are...
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Forum: C4 ZR-1s and ZR-1 Parts For Sale/Wanted
05-25-2021
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Replies: 10
Views: 1,881
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Forum: C4 ZR-1 Technical Postings
04-05-2021
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Replies: 2
Views: 478
Re: Front crankshaft seal
Yes, its drilled thru.
What you can do is take off balancer bolt clean it put some sealent or Loctite 620 on the threads and reinstall.
Pete
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Forum: C4 ZR-1 Technical Postings
03-14-2021
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Replies: 56
Views: 5,246
Re: porting injector housings to 36MM
Here's a thought.
37mm (36mm drop thru) on a stock 350ci picks up close to 50hp this tells me stock LT5 is over camed and under intake.
So the question is if a 350 picks up that much HP with 37mm...
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Forum: C4 ZR-1 Technical Postings
03-05-2021
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Replies: 56
Views: 5,246
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Forum: C4 ZR-1 Technical Postings
03-05-2021
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Replies: 56
Views: 5,246
Re: porting injector housings to 36MM
There are a few 350 ZR-1's running around with ported top ends to 37mm some with stock cams some with performance cams
That make good HP/TQ #'s they might come on here and reply on the driveabilty....
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Forum: C4 ZR-1 Technical Postings
03-05-2021
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Replies: 56
Views: 5,246
Re: porting injector housings to 36MM
John
Drop a 35mm gauge ball straight thru the port they call this 36mm dropping a 36mm gauge ball straight thru they call this 37mm.
I also have a 36.5mm gauge ball.
Your question about the...
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Forum: C4 ZR-1 Technical Postings
03-01-2021
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Replies: 27
Views: 3,406
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Forum: C4 ZR-1 Technical Postings
03-01-2021
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Replies: 12
Views: 987
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Forum: C4 ZR-1 General Postings
02-22-2021
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Replies: 11
Views: 1,280
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