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Chevy engineers knew the ZL1 was underrated and kept it that way

The ZL1 badge has always carried a quiet asterisk. On paper, Chevrolet’s wildest big blocks and supercharged V8s looked ...
Fast Lane Only on MSN

New regulations quietly changed the power of the 1971 GTO

The 1971 Pontiac GTO arrived just as Washington, fuel chemistry, and corporate strategy collided. On paper, its power slipped ...