MM&FF And Livernois Motorsports Team Up To Test Ford Racing's Newest Intake Manifold For Three-Valve Mod Motors. Wanting to test Ford Racing's newest induction upgrade, on a number of different ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...