This 524hp Subaru Impreza WRX STi hits the dyno with equal length headers and a screamer pipe, unleashing the full voice of ...

LT4 is how GM calls the blown V8 of the Camaro ZL1, and it’s a serious piece of small-block engineering thanks to roto-cast aluminum heads, larger combustion chambers than the LT1 on which it’s based, ...

Here at VETTE, we've heard both sides of the engine-dyno argument. On one hand, a stout dyno sheet offers bragging rights to the owner, but on the other, you can't race a dynamometer, and they cost a ...

The legendary Lancia Delta HF Integrale Group A hits the dyno. Watch full throttle pulls, onboard moments, and raw engine ...

Before dyno testing our motor, Ray mentioned his new DTS dyno is dead-on accurate, but the horsepower readings would be 5 percent lower. For example, a 600hp motor on his new dyno would have shown 630 ...

With Porsche finally rolling out the brand-new 992-generation 911 GT3, videos showing the sports car in all sorts of scenarios keep popping up on the Interwebz. We've seen it hit almost 200 mph (322 ...

Pete Aardema and Kevin Braun build custom racing engines in San Diego, California and their latest creation is a 6.0-liter V12 that’s being prepared to go hunting for land speed records. While Aardema ...

It's a shame most car guys never get to witness the fury and violence of an engine-dyno pull firsthand. Abusing your eardrums with the cackling, popping, and deafening bass of all those cubic inches ...

While Rob Dahm’s garage is no stranger to monstrous rotary engines, including four-rotor units cranking out more than 1,000 horsepower, this one is mind-bending. Here we have a massive, ...

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 ...