This exploded view of a torque converter calls out the important converter components. On the far right is the impeller (A) that uses input power from the engine to impart fluid motion to the turbine ...

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 ...

Still can't figure out the difference between horsepower and torque? Here's the simplest, plain-English guide to engine power you’ll ever read.