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 ...

Like intake manifolds and carburetors, it seems that valvetrain components are commonly replaced for a myriad of reasons, and at its heart is the camshaft. While some hobbyists perform a cam swap ...

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 ...

When HPP left Racekrafters' shop the last time, The Mule performed quite admirably with the out-of-the-box Edelbrock cylinder heads installed. It produced 502.8 hp and 570.7 lb-ft of torque. Going ...