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 ...

If you purchase or build an engine of this nature, you're obviously serious about performance—and you're probably already dialed-in to what it takes to use this kind of power on the street or track.

If your engine was directly affixed to a transmission, it would die every time you came to a stop—and that would be a problem. The solution to this issue is a torque converter, a fluid coupling device ...