Dynamometer tests are used to measure a car's torque and rpm response. But how do they get that information? And how reliable is what they get?

How much power do you lose through the drivetrain? The "experts" claim about a 1517-percent power-drop "at the wheels" with a manual trans compared to flywheel numbers; as high as 27 percent with an ...

One of the keys to any engine development program, from Winston Cup to the Saturday- night racer, is the ability to effectively evaluate changes to the engine. The goal of any engine development ...