We've talked in the past about the relationship between horsepower and torque. They work together, and horsepower needs torque to make you and your car happy. There's one magic number though that ...

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 ...

During a recent conversation with an experienced engine builder I realized we'd not recently discussed the importance of, reasons why and areas of concern about proper engine component integration.

Which is better? Here’s how you quash that bar-night debate. Yogi Berra, never known to dwell on engine particulars, would have concluded that torque and horsepower are the same thing, only different.

When discussing speed in relation to a car or truck, the conversation usually refers to miles per hour a vehicle can travel, as seen on a speedometer. However, aside from the vehicle, the engine too ...

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 ...