Ford is putting EcoBoost engines in just about everything they build, and Ford Racing wants you to modify them. Or, at least, tweak the software with Ford-developed calibrations loaded into the ECU ...

It's been a long road for our Project Dirt Modified Engine presented by World Products and Erson Cams. What began as a concept a little over a year ago is now a full-fledged, fire-breathing, power ...

Diesel racing engines have long been the superstars of the truck hobby. The primary reason for this is, as high performance goes, yes, racing diesels have always been capable of generating ridiculous ...

Notable for its single or dual overhead cam layout, the mod has been produced in two-valve, three-valve, and four-valve variations, with iron and aluminum blocks, and in a staggering range of ...

I'm sure you've watched a dyno video or two. The car thuds through the gears, slowly roars up, rising to a rev limit crescendo and zoom! It quickly winds down. This is not the case if the engine ...

"Tommy’s got the key!" That’s how the video starts, and until “that one guy with the fob” gets in the car, the Corvette Racing C8.R doesn't have anything to show except for the aggressive aerodynamic ...

When it comes to making horsepower, the thought that bigger is better has driven the motorsports hobby for years. In the late 1950s, the first 348 ci big-block Chevrolet spawned an infamous family of ...