The Chevy Biscayne 427 sleeper occupies a strange sweet spot in muscle car history, hiding brutal big block performance ...

It was nicknamed the Mystery Motor and the Porcupine. Whatever you call it, the 1963 427 Mark-IIS is so rare that only nine ...

Despite having similar displacements, the small-block Chevy 383 and the big-block Mopar 383 have some interesting differences between each other.

American carmakers in the 1960s chased trends like Metallica cutting their hair. Seemingly, every brand had to have a large displacement V8, even producing ...

A standard Malibu built when GM's self-imposed 400-ci (6.5-liter) limit on intermediate V8s was still in effect, this 427 L72-powered, non-SS Chevelle became a reality through clever manipulation of a ...

Although it's more than half a century old, the L88 remains one of the mightiest V8s that ever powered a Corvette. For most people, there's nothing more American than apple pie, but for gearheads, ...

Never has there been video of a Chevrolet 427 Mystery Motor running—heck, there are only two or three known engines left in the world. But HOT ROD has exclusive video of the 6,000-rpm dyno pull of Tom ...