When it comes to hot rods, bench racing - never seems to stray very i far from engines. Power is where hot rodding will always be. When it comes right down to it, the only way to learn how to build ...

For years, beltdriven timing drives have been the accepted standard in NASCAR Nextel Cup racing. The same holds true in the Busch Series and Truck Series as well as other top touring racing series.

Variable valve timing and variable valve lift may sound similar, but they're entirely different. Here are the differences between them and how they work.

An engine's health depends on several key measures and functions. For example, air and fuel need to be present in the correct quantities, coolant is required to keep the engine operating at a safe ...