Originally Posted by AF1Strider
Hello, I have a 350 in my '74 Z28, it has 64cc heads, and I can only assume it has flat top pistons. I was wondering if anyone could help me out on ball park of a compression ratio it might be pulling. The head casting numbers are 14096217 and the block is 10243880. Thanks for any help.
Approximately 10:1, would need more info to give an exact compression ratio, such as if block has been zero decked, heads shaved, gasket thickness, more info on pistons