How One Chevy “Small-Block Engine” Outsmarted Every Big-Block With a Junkyard Trick

Rare Old Engines

How did backyard mechanics with $600 budgets consistently outrun $3,000 factory big-blocks using parts from truck junkyards? In this video, we uncover the incredible story of how grassroots racers in the late 1960s discovered that salvage yard cylinder heads from Chevy delivery trucks could transfo