A Porsche 930 Turbo S dyno run reveals the real power behind one of the most iconic turbocharged classics. On the dyno, every ...

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 ...

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, ...

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 ...

Last month we built a mild street engine using a factory Chrysler 383 block, crankshaft, rods, and cylinder heads combined with some aftermarket goodies from Comp Cams and Summit Racing Equipment, and ...

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 ...