Because of the dynamic nature of the equation, camshafts are one of the most misunderstood performance components on any motor. This is especially the case on the overhead-cam modular 4.6L Ford motor.

Thump, thump went the exhaust pipes as the sizzling Three-Valve engine idled with intimidation. Fellow S197 owners looked on with envy as Justin Burcham of JPC Racing warmed up a customer's '06 ...

Adjust rocker arms frequently—or not at all? Rev to the moon—or stop at the smog layer? These are the eternal questions that have plagued hot rodders trying to decide whether to purchase a mechanical ...

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. As always ...