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 ...

The following charts reveal the flow bench data collected on a Super Flow bench at 28 inches of water depression for a typical three-angle valve job and then Traco's enhanced low-and mid-lift flow ...

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 ...