Dennis Wells (Wells Racing Engines) is no stranger to the pages of this magazine. For more than 40 years he has built engines for a wide range of racing and high-performance street vehicles. Because ...

In the horsepower game, whether it be for racing or just street cars, there are hundreds of engine builders. In reality, though, most of these people should actually be called engine assemblers.

In stock form, Mopar's Demon Hemi crate engine makes a healthy 807 horsepower and 717 pound-feet of torque. To be clear, this approximately $21,000, 6.2-liter, over-the-counter crate engine is ...