Four California dynos tested the same Mustang Dark Horse and couldn't agree on what Ford's 500 hp claim means at the wheels ...

Testing carburetors on an engine dyno can sometimes be misleading. We've all seen tests showing large-cfm carburetors making more power—even on a small engine that nobody in their right mind would run ...

"Dyno verified" can mean different things, depending on which dynamometer that car was rolling atop.

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?

These days, C8 Corvette owners have more than a few options when it comes to aftermarket engine performance, with tuners offering a range of forced induction and nitrous-based upgrades. However, some ...

If you want to dyno test your tuner car, you can probably find a couple of good facilities in any nearby major city. If you want to do similar testing at a smaller scale, though, you might find it’s ...