Performance may always lay heavy odds on power, but you also need the brains to go with it. The four-stroke internal combustion engine has been around for over a century, but we're still learning ...

Regular readers know we often run several Xtreme Energy hydraulic-roller camshafts from Comp Cams on our 347 dyno mule. Besides running well, those cams are good choices for a test engine because many ...

Comp Cams and Summit now have the universe of Chevy LS Gen III/IV V-8s covered, from 4.8-liter to 7.0-liter, with these FSL cams. For many decades, hot-rodders didn’t have much of a choice when it ...

If you were to fill a room with the top engine builders in the world, you’d be surprised to hear the various opinions on what part of the engine needs the most focus. Is compression the Holy Grail? Or ...