Quote:
Originally Posted by Billy Nees
The BB Corvettes had an aluminum head option. Always been there and it stands by itself. The head that they use is a GM head OR a GM REPLACEMENT head not an AFTERMARKET head.
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Correct starting in 1967 with no penalty. Prior to that the GM or 401 aluminum head gets the horsepower penalty.
Where does the class guide show the 396 Corvette with a natural class of SS/C?