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 ...

The 2007 Subaru Impreza STi producing over 500HP delivers an aggressive EJ25 boxer engine note with a screamer pipe setup ...

The Porsche 992 GT3 RS delivers an extreme naturally aspirated flat-six engine note during hub dyno testing at 9,000 RPM with a straight-piped Inconel exhaust setup. This video captures full throttle ...

The magic of computers now lets anyone with a home computer build and test virtual engines in minutes. One of the best-selling programs in the budding field of engine-simulation programs is the ...

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 ...

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 ...