Numerous articles and stories have been prepared by hundreds of experts on how to improve the internal combustion (IC) engine for more speed, power or what have you. Millions of dollars worth of ...

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 vast majority of vehicles are powered by what's known as an internal combustion engine. It's a concept that's been around for a long time but a Belgian engineer, called Jean Joseph Etienne Lenoir, ...

Some of these are gonna seem pretty basic. But everybody from the beginner to the seasoned engine-tuning veteran has probably been guilty of misdiagnosing a poor-running engine at some point in time.

One of the more difficult technical aspects of diesel performance is choosing a turbocharger. If you put enough fuel through a diesel engine, it's going to run up against a point where the stock ...

Today's new family of GE GenX engines for Boeing's new 787and 747-8 produce upward of 70,000 pounds of thrust compared to the 5,000 pounds for the early jet power plants. Ever wonder how that happens?