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 ...

A very good friend of mine, noted engine guru, and PHR contributor David Vizard, was once being queried about some aspect of engine theory. The interesting part of the exchange was when the fellow ...

It's not often that you reveal the punch line in the opening paragraph of a story, but this is one of those rare occasions. While there is still no substitute for real-world track testing, chassis ...

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.

This video features a dyno test of the BMW P65 V8 race engine, originally used in the BMW Z4 GT3. The session highlights measured power figures and the distinctive exhaust sound of this ...

Dynamometers are a key part of testing in the automotive and aerospace industries. Test cells use dynamometer systems for performance, durability, and quality-control testing, as well as for ...