Big-block engines sit at the heart of some of the most iconic American performance cars and trucks, yet the term is often used loosely, as if it were just a synonym for “big horsepower.” In reality, a ...

Anniversary 427 Big-Block New for 2008, GM Performance Parts re-releases the vaunted ZL1 crate engine. Built off of the original (and restored) tooling, it's as close to the real thing that you can ...