From mild to wild, "cam-only" cars, as they're known in the LS-series community, are very popular. Although traditional Pontiac hobbyists have installed headers, intakes, and camshafts for generations ...

GM once sold three different 455 engines--a Buick, an Olds, and a Pontiac. All were stump-pulling torque monsters, but which has the potential to make the most power? Car Craft, in conjunction with ...

This test had all the makings of a legendary tech story, the kind people talk about for years to come. You know how we do it here at MM&FF-it's balls to the wall or nothing at all. If others run a ...

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 ...