The Chevrolet L72 427 is a legendary big-block engine that powered some of the most iconic muscle cars of the 1960s. Known for its impressive horsepower and performance, the L72 427 has become a ...

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

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

The Chevrolet big-block is the workhorse racing engine of the muscle-car era. The 427 W first showed up midyear as a stroked 409 for the 1963 Chevrolet Impala SS. However, a year before, ...

We’re moving right along with our Summit Racing 427-ci small-block Chevy build. We started with a bare SPC engine block, and we’re building it from the bottom up. We left off last time with an ...