Re: KQ rear with 4.56 gears
Our L78 car has the KK 4.10 rearend while the COPO has the KQ. Until people got into restoring these cars, very few knew the difference or even realized that there were two different rearends. The drag race crowd would be the first to realize that there was a difference. My feeling is that anything but 4.10 gears in a KQ rearend would have been swapped in at some point in the past. Could be wrong though. This is what makes this hobby interesting.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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