The camshaft is one of the most important factors in determining an engine's torque and powerbands, able to make or break an overall engine combination. On the street, hot rodders must tread a fine ...

You just can't beat the nostalgic ground-pounding sound of a lumpy bumpstick and the whine of a gear drive. Even from miles away, everybody knows you are coming before you pull up to the local car ...

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 ...

Walk down any row of the local car show and you will probably see a vehicle powered by General Motors' now venerable ZZ4 crate engine. The classic small-block ZZ4 is a quality built 350ci engine rated ...