Once you get into performance tuning a two-wheeler, you'll hear a lot of talk about motorcycle dyno tuning. Simply put, a dyno tune is the difference between two performance-tinkered motorcycles off ...

In this video, we cover a full performance upgrade workflow, including a port injection conversion, essential AN hose ...

Horse Sense:Horsepower and torque can be mathematically equated. Torque equals horsepower times 5,252, divided by rpm, while horsepower equals torque times rpm, divided by 5,252. By this equation, ...

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 ...

It didn’t take long. The first tuned C8 ZR1 already makes 1,170 WHP. See how American tuners unlocked monster Corvette power ...

Maintaining a balance between your bike’s fuel consumption and the overall performance is a daunting task. Irrespective of your mechanical abilities, model and make of your bike, or financial ...

Bugatti recently strapped its Chiron to a dynamometer and the results put to rest any doubts of the horsepower ratings of the company's hypercars. The particular version used in the test is the Chiron ...

Project Black Beauty hits 702 rear-wheel horsepower with a ProCharger F-1C two-valve, pairing E85 and Holley EFI with a new ...