For straight line guys, spending hundreds of dollars on something that doesn't give you any extra horsepower doesn't exactly seem like a good deal. Even a federal bean counter could figure that one ...

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 ...

What do we mean when we say the U.S. economy is at stall speed? Stall speed refers to the air speed and angle of the wing (called the angle of attack) needed to keep an aircraft aloft. "An aircraft ...