How Much Horsepower Did The 427 Have?

By 1967, the Bow Tie brigade launched the L88 427 with then-unheard-of factory aluminum heads. According to Al Colvin’s book Chevrolet by the Numbers, Chevrolet never officially released ’67 427 L88 horsepower numbers, waiting until 1968 to claim 430 hp with conventional wisdom placing the actual number far greater. How Read more…