The Ford Boss 429 was a NASCAR engine stuffed into a Mustang for homologation. Now worth over $500k, it's the ultimate ...

Scott Duggins started building car engines in 1984 alongside his father. They worked together offering a mix of engine rebuilds and overhauls for their customers' daily drivers as well as supplying ...

Considering the exterior, we’ve got to appreciate the effort Nelson Racing Engines put into cleaning and smoothing the engine block and cylinder heads. The whole engine looks like a show piece; all ...

Editor's Note: In the July 2008 issue of Circle Track master engine builder Keith Dorton wrote a letter to the editor concerning sealed or crate motors and their affect on short track racing. We ...

What qualities make for a decent all-American racing engine? Does it have to have more cubic displacement than a World War II fighter plane and enough aftermarket goodies on the market that you could ...

While most high-performance rides that we can legally drive on public roads are powered by beefed-up versions of normal, day-to-day engines, the following five left the factory with motors built for ...

Over the years, the 427-cubic-inch crate engine has taken many forms. Originally, the 427 was offered as a big block engine by both Ford and Chevrolet. In the 1960s, Ford's 427 big block dominated ...

The 1969 Mustang Boss 429 was never meant to be practical. It was a street-legal NASCAR weapon, a car built around an engine ...