For many, building 500 horses isn't a problem; figure out what pieces will create the best possible combination, prep as needed, and bolt it together. However, once this is done, that power will need ...

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 ...

Dana has been granted a patent for a system that allows a prime mover to be connected to a transmission through either a torque converter or a direct drive unit with multiple clutches for different ...

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 ...

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 ...