It powers one of the greatest supercars ever, and the truth behind it is wrapped in mystery and speculation.

Picking up where we left off last month, here is the remainder of potent powerplants neatly packaged in a crate. Crate engines have, for some time, fascinated rodders, and why not-they provide ...

American performance has always been defined as much by its engines as by its sheet metal. From small-block V8s to high-revving modern powerplants, the country’s most influential motors shaped racing, ...

With so many of our discussions lately revolving around the valvetrain, we thought you might like to finally learn how to get the best performance from yours. High-performance valvetrains can take ...

In Cheap Street, a racer who believes another competitor might have an unfair edge can claim that competitor's long block for $3,000, as well as a transmission for $2,000 and even the carburetor for ...