Stall speed is a term often used when describing torque converters. Generally speaking, stall speed is the rpm the engine achieves before the converter attains its coupling speed. In the days before ...

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 ...

How many of you have an automatic transmission in your hot rod? Whether you love them or hate them, automatic-equipped machines are the most common, and one area that's sure to create confusion is the ...