Quick Tech Engine - Comp Cams’ new conical valvespring design looks to potentially change the stakes when it comes to making horsepower in your racing engine These days circle track racing engines are ...

Choosing the right cam for a supercharged 4.6L Three-Valve motor is no different than choosing one for any other motor-or is it? Right off the bat, the Three-Valve motor has that odd cylinder-head ...

This is not a modification for the faint of heart. Once you start taking a Four-Valve, four-cam modular small-block apart, you'll think that the parts will never go back together. Unless you want to ...