In time-honored fashion, racers maintain a constant vigil on rules interpretation and loopholes. As Junior Johnson once commented, When theyre looking at the ass end, you work on the front end. And ...

The question of which is better, carburetion or fuel injection, really comes down to cost versus performance. Overall, more torque can usually be produced by a longer ...

Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

When it comes to car mods, exhaust headers are a common place to start. But what exactly makes them different from stock manifolds? Here's what to know.

The Omni-Power Pro-4 sport injection "was designed for the serious enthusiast and professional racer to maximize their engine's horsepower, torque, and throttle response," says Steve Rothenbuehler, ...