The Porsche 718 GT4 RS unleashes its 4.0 liter naturally aspirated flat six with an Akrapovic Slip On exhaust, combining 9000 ...

Ford Heritage brought the V-10 Boss 351 Mustang prototype back to life. The dyno footage reveals 510 hp and a sound unlike ...

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 ...