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

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 ...

Anyone who has lived on a healthy diet of off-road and performance magazines has gotten a pretty good taste of the dyno process, even if it's just served on the printed page. It looks pretty exciting: ...

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 ...

Over the past decade, chassis dynos have proliferated across the country, in theory making it practical for the masses to evaluate the performance of their engine as installed in the vehicle and ...