Two-Valve modular engines tend to be overlooked when it comes to performance mods. Sure, there have been supercharger kits, cams, and bolt-on parts available for these mild-mannered Ponies for years, ...

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 ...