Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

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, ...

The Special K swap is the Holy Grail of Honda swaps currently, giving Civics from as far back as the EF era of the early ’90s more displacement and 21st century power and technology. In many cases ...

An intake manifold routes a combustible cocktail of atomized fuel and air from the carburetor to the engine, and its design can have a significant effect on operational characteristics. Certain ...