John Lingenfelter has built a killer reputation in the high-performance world. He knows how to tweak a Rat and twist a Mouse's tail to make both of them really sing. In his quest for one more ...

Over the past few months, we've stated in numerous articles (including our tech feature on Grump's 331-inch Chevy) that the main reason for the horsepower gains enjoyed by many of the Modified and Pro ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...