A stock 1999 Mitsubishi Lancer EVO 6 with 184k km hits the dyno to see how much power it still makes after years of use. This ...

You’re looking at a Mazzei Formula Five—or, rather, the Mazzei Formula Five. It’s a one-off supercar built by David Mazzei, combining a Superlite SL-C kit car body with a homemade five-rotor engine.

I ruffled a lot of feathers when I called the ninth-generation Accord V6 the last real American muscle car. Many of those feathers were attached to a bunch of cuckoo birds whose favorite small-block ...

The 2007 Subaru Impreza STi delivers a fierce EJ25 turbo soundtrack on the dyno with 524HP, equal length headers, and a ...

Few subjects create more argument in the performance world than dyno numbers, the stats that represent individual measurement of the horsepower and torque that a car or truck’s driven wheels put on ...

Given a choice between spending $500 for a day on the dyno and upgrading to a trick set of cylinder heads, most hot rodders on a budget would opt for the hardware. But a different view should be ...

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.

There’s never been a factory Ford Mustang more powerful than the GTD. Well, unless you count the Cobra Jet drag cars, but those are something else altogether. The Blue Oval gave its track-special ...

The arrival of the C8 Corvette ZR1 signifies to the world that Chevy can kick it with the best of them, but even with a four-figure horsepower claim, aftermarket tuners will never be satisfied. Now ...

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

Horsepower is like good luck. It can't be seen, touched, or tasted, but you know when the inventory is low. How much do you have? Go measure it. The best place to put your luck to the yardstick is in ...

When it comes to superbikes, everyone appears to be very concerned with horsepower. Michael Czysz and Chip Yates go out of their way to make fantastic claims of over 200hp for their motorcycles. BMW ...