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 ...

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 ...

High technology trickles down from cutting-edge industries, eventually making its way into the performance aftermarket, and helps to demystify the black arts of car crafting. Even stock EFI computers ...

In today's performance world, adding power to your pushrod or modular engine has never been easier. With the advent and increased usage of power adders such as nitrous oxide, turbochargers, and both ...