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-   -   COPO ZL1 with the yenko performance pakage. (https://www.yenko.net/forum/showthread.php?t=127781)

Tracy 06-25-2014 01:47 AM

COPO ZL1 with the yenko performance pakage.
 
Did any of the original 69 COPO ZL1 camaros get a yenko performance upgrade. I know the traditional yenko cars were cast iron block with 201 or 198 of them produced. I can find all about this on the internet. But wasn't there five yenko versions of the COPO ZL1 camaros made? I hear of five ultra rare COPO Yenko ZL1'S. pardon my ignorance if I don't see this correctly but this is an unanswered question that I cannot find the answer to. I want my information straight if I happen to find a miracle barn find.

William 06-25-2014 02:12 AM

Re: COPO ZL1 with the yenko performance pakage.
 
There is no reason to believe Yenko Chevrolet or Yenko Sportscars Inc was involved with any of the 69 factory-built ZL1 Camaros. When Chevrolet took back many of the cars from Fred Gibb Chevrolet [June '69] they were shopped around to dealers specializing in high-performance cars. Yenko certainly could have acquired some but by that time had many unsold COPO cars of his own.

Yenko did take over production of the ZL1 block casting after the 1969 model year.

Tracy 06-25-2014 02:24 AM

Re: COPO ZL1 with the yenko performance pakage.
 
1 Attachment(s)
I'm thinking that if one of them did exist today the motor compartments wouldn't look like what I've seen on the Internet. The real carwould have to piece headers. Like this...

Tracy 06-25-2014 02:32 AM

Re: COPO ZL1 with the yenko performance pakage.
 
Thank You William in my search of knowledge you have helped

Tracy 06-25-2014 02:34 AM

Re: COPO ZL1 with the yenko performance pakage.
 
I meant two piece headers not to... Stupid spellckeck...

luzl78 06-25-2014 02:44 AM

Re: COPO ZL1 with the yenko performance pakage.
 
I don't think yenko would have to do anything with the aluminum motor, just some graphics and other day 2 stuff. I think the zl1 outran the iron 427 by a little bit

Tracy 06-25-2014 02:46 AM

Re: COPO ZL1 with the yenko performance pakage.
 
Fred had the first 50 of 69.Again excuse my ignorance I'm trying to learn here. Did the later 19 cars get ordered with different styles. Like maybe a Zl1 Z28 or rs?

Charley Lillard 06-25-2014 02:47 AM

Re: COPO ZL1 with the yenko performance pakage.
 
A couple of ZL1's got the 9737 Yenko Sportscar conversion COPO option, bigger swaybar, 140 speedo, 15" rims. Is that what you were thinking of ?

Tracy 06-25-2014 03:12 AM

Re: COPO ZL1 with the yenko performance pakage.
 
I was under the impression that headers, high rise, carb and other high performance upgrades were involved in the YENKO performance upgrade for a zl1. maybe I'm chasing ghosts here but I really think this car exist.

Tracy 06-25-2014 03:21 AM

Re: COPO ZL1 with the yenko performance pakage.
 
let me research and get more information I'm not sure at this point.Thank You so far for the information.how did you like the motor pic? You will not find it on the internet it come from an owner/friend. he has something special I'm trying to figure out just exactly what it is...


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