Rare 1963 Z06 Corvette up for auction

General Motors was always great about sneaking cars out the back door. Pontiac was especially good at it with cars like the 1963 Pontiac Lemans Super Duty and the 1964 GTO. But when Chevrolet sold a secret racecar with the help of the father of the Corvette, that's something really special. 1963 was already a special year for the Corvette. It was the first year for the Sting Ray, which meant it was the only year for the split rear window. 1963 was also when the Automobile Manufacturers (...)