The performance world is full of good tuning ideas. One place that is often overlooked in the search for more power is the exhaust system. For decades, knowledgeable drag racers have been using header ...

If you’ve ever driven a vehicle equipped with an automatic transmission, chances are good you’ve been in command of a torque converter. At the risk of oversimplification, a torque converter transfers ...

Horsepower has a way of finding hiding places throughout the drivetrain. You might be sacrificing a few horsepower here and there due to normal parasitic loss or you might be dealing with a much more ...

Torque converters appear to be a bunch of mysterious whirlwind motion inside a spinning shell that transmits an engine’s power to the transmission and rear wheels. Although they seem complex, torque ...