Starting engine dynamometer pulls at low rpm is hard on the dyno and hard on the engine. Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests.

This year is shaping up to be a landmark one for Hyundai’s premium brand Genesis as it gears up to move into the top-end of sportscar racing with the GMR-001. While we won’t see it race under its own ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

“The 2025 Kawasaki KX250 engine runs better in the midrange rpm and has better roll-on power, but it may not rev quite as far as last year’s model,” test rider Allan Brown said. “This is all OK ...

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 ...

Featuring Screamin’ Eagle Extreme CNC-ported cylinder heads, an SE8-517 high-lift cam, new high-compression forged pistons, a high-performance cam bearing, high-performance tappets, patent-protected 4 ...

We’ve all been there, right? There’s a modified sports car on Bring a Trailer. It’s supercharged, lowered, and on the right wheels, plus there are the words “dyno verified” in the listing. That gets a ...

“The MC 450F engine is smooth but very mellow,” test rider Bradley Lionnet said. “You can feel it wants to be like the 450 SX-F, but is held back by a lack of EFI tuning capability in stock trim, a ...

Ford’s Godzilla 7.3-liter V8 is a potent performance engine-swap option. Brian Wolfe fortified one for boost, and it belted ...