LML Duramax Engine

Just like most who become enamored with diesel engine work, Ray McClelland Jr. started tinkering at a young age. A new transmission, new clutch, upgraded tune and a turbo, and now he's made it a career creating diesel performance at his shop, Full Throttle Kustomz Diesel. Ray recently finished this LML Duramax build, which is ready to take on a drag race, a sled pull and a dyno run, but it hasn't forgotten its street manners. Find out what went into the build!

ProCharged Top Sportsman Engine

Scott Duggins of PAR Racing Engines will build anything from a 434 small block to a 860 cid big block, including this blown, ProCharged Top Sportsman engine. Find out what went into this fast, high-horsepower build!

Ultimate Callout Challenge 6.7L Cummins

With nearly 2,100 horsepower and more than 3,000 ft.-lbs. of torque on tap, Armor Inc. Diesel & Suspension's 6.7L Cummins engine makes the shop's 2007 Dodge the fastest diesel truck in Canada! Find out what goes into this Ultimate Callout Challenge diesel build!

GM 604 Engine

Steve Hendren can thank his dad, Bill Hendren, for teaching him everything he knows about engine building. In fact, the whole Hendren family is an integral part of the evolution of Hendren Racing Engines in Rutherfordton, NC. It's that family formula that helps crank out 140-160 engines a year like this GM 604 engine. Find out what goes into making this a mean race engine!

Precision Engine Machine Co.

Are you one of America’s Best Engine Shops? If so, see how you might stack up against Precision Engine Machine Co. located in Hyattsville, MD. They have entered the Vintage category.

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