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 ...

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 ...

The nice thing about automatic transmissions is that you don't have to think about shifting gears. They appear simple as anything from the driver's seat, but as anyone who knows how automatic ...