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 ...

Vortec engines have lasted for over three decades. There are reasons as to why they lasted so long, but there are also reasons as to why they fell out of favor.

Bad ideas? We've had them, and probably will continue to have them despite our best efforts. Like a junkie, we always seem to be looking for that next fix, only our heroin comes in the form of trucks ...

Automakers have launched many series of engines meant to offer greater performance or efficiency than their predecessors. Chevy's Vortec line, which includes General Motors' vortex technology, boosted ...