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 ...

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 ...

Last month, we introduced you to the GM Performance Parts 350 H.O. crate engine. We began testing using the Deluxe model that comes completely outfitted with a water pump, HEI distributor, spark plugs ...

With the availability and efficiency of roller camshafts it’s a no-brainer to use a hydraulic roller setup even on the simplest of engine combinations. The roller lifters take a lot of load off of the ...