When modifying any diesel vehicle, there's always the question of "what's next?" In Colton Ahlberg's case, he had already modified his truck with larger injectors, a bigger turbo, modified injection ...

The current muscle car wars are nothing short of incredible. Not only do Detroit's latest-and-greatest performance cars make boatloads of power, they are better handling and more comfortable than ...

We've heard the news, tested the parts, and now we believe in the power of Voodoo. The engine experts and camshaft engineers at Lunati have devised a new and improved profile capable of building more ...

This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...

COMP Cams has released a new upgrade camshaft kit designed specifically for iron block General Motors 4.8L LS V8 engines running an aftermarket turbocharged setup. COMP Cams says its new Stage 2 LST ...