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 ...

We may have goofed, but we're man enough to admit it. Despite the countless engine dynamometer tests car magazines publish each month, we've rarely-if ever-explained how an engine dyno actually works.

Gearhead vehicle discussions often go something like this: "How fast?" "What's the e.t.?" "How much boost?" "What's the horsepower and torque?" Whether bragging or fact, the answers are usually the ...