Part I in the October 2002 issue began to unravel the mystery of deciphering airflow numbers that are derived from flow bench testing. We addressed the question, "Why test for airflow?" and detailed ...

Does porting an intake manifold affect engine performance? Find out how modifying airflow with a die grinder unlocks hidden ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

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 ...

Given the amount of time and effort that goes into the design of a factory intake manifold, it's not surprising that it's sometimes difficult to improve upon the stock induction system. Stock ...