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Old 01-18-2013, 02:23 PM   #18
95birdible

 
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There were a few 68 COPO 427's put in by Chevrolet as a test for 69. Kevin Suydam has one in his collection.
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Old 01-18-2013, 03:09 PM   #19
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No ECU back then
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Old 01-18-2013, 03:10 PM   #20
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And the EPA and CARB has to get there fingers in things
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Old 01-18-2013, 03:12 PM   #21
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Yenko used two copo # which are famous to gear heads like myself.......9561 which is the solid lifter L-72 big block making 425hp. 201 were produced. The more famous one 9560 which was used by Gibb chevy dealer for drag racing conceived by race legend Dick Harell for super stock NHRA. The engine was an all aluminum 427 called the ZL-1 which cost an extra $4,00 dollars and was rated at a modest 430hp but really made almost 500 hp. Only 69 were ever produced. That's what I recall. COPO was a fleet use ordering procedure for taxi's rental fleets and cop cars. These two popular dealers (Yenko and Gibbs) new people on the inside to add these twoo COPO #'s to the ordering form to get what they wanted. This trend started in '69. Yenko was putting big blocks in the camaro before '69 as dealer installed options. I praise these two noble gear heads as genuises for their devotion to tire shredding camaros.
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Old 01-18-2013, 03:22 PM   #22
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JFTR there were 9561 iron block COPOs sold directly to "customers" without further modifications from the dealer that ordered them, just like the ZL-1s. Drag racers had no interest in stripes, stickers, logos and the like.

There are a few of them listed/pictured in link below:

http://www.supercars.net/cars/2198.html

But to answer the OP's question, in '69 virtually every Yenko Camaro was a tarted up (striped and stickered) 9561 COPO Camaro.

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Old 01-18-2013, 03:29 PM   #23
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They are entirely different and shouldn't be compared at all.

COPO has nothing in common with Yenko.
The COPO was created for fleet vehicles but Yenko and Gibbs used them for their own gains so they should be compared due to the fact that they used them to get the engines they wanted in the cars they loved to race.
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Old 01-18-2013, 03:53 PM   #24
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http://www.holisticpage.com/camaro/camaros/copo.htm
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Old 01-18-2013, 07:28 PM   #25
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When I bought my 2012 I did research so I could compare it to when they came out. From my research you could not order a 427 from the factory in at least '67 and '68, but you could order a Camaro and have it as a dealer installed option. I know I am probably wrong or am wrong period which means some of the Camaro sites for the Gen 1 are wrong also. Someone will set me straight.

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Old 01-18-2013, 08:31 PM   #26
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Quote:
Originally Posted by jlrtexas View Post
Yenko used two copo # which are famous to gear heads like myself.......9561 which is the solid lifter L-72 big block making 425hp. 201 were produced. The more famous one 9560 which was used by Gibb chevy dealer for drag racing conceived by race legend Dick Harell for super stock NHRA. The engine was an all aluminum 427 called the ZL-1 which cost an extra $4,00 dollars and was rated at a modest 430hp but really made almost 500 hp. Only 69 were ever produced. That's what I recall. COPO was a fleet use ordering procedure for taxi's rental fleets and cop cars. These two popular dealers (Yenko and Gibbs) new people on the inside to add these twoo COPO #'s to the ordering form to get what they wanted. This trend started in '69. Yenko was putting big blocks in the camaro before '69 as dealer installed options. I praise these two noble gear heads as genuises for their devotion to tire shredding camaros.
Yenko directly ordered ZERO COPO 9560 ZL1-engined '69 Camaros from GM.

http://www.camaros.org/copo.shtml#list

http://www.camaros.org/9560list.shtml

COPO-configured vehicles started well before '69. In fact, the L78-coded 396-375 hp engine was a COPO-necessary option on '68 Nova SSs, and the 9737 Sports Car Conversion package was created for Yenko in '68.

As can be shown, below, NOT all "Yenko Camaros" were 427-equipped...
Attached Images
 

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