Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
07-18-2011, 12:06 AM
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COPO 9511
Let's get this hashed out. From what I gather we need an understanding of and documentation on:
1. what was COPO 9511 (what was included - what years was it available) 2. was this COPO process necessary to put a gear numerically higher than 4.10 in a Chevy in 1969. * I linked from the previous thread on this subject here
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Sam...  
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