Bolting on a set of headers has long been one of the first moves a hot rodder makes in search of more performance. Traditionally, factory iron log exhaust manifolds are set aside in favor of a pair of ...

A dyno test from Hennessey suggests the Chevrolet C8 Corvette ZR1 may be producing far more power than the automaker's ...

If you have the need to peel your face back with speed, Dodge has the answer: the 2010 Viper SRT-10 ACR-X spec racer. It's a track-only, high-output version of the already brutal Viper SRT-10 ACR, and ...

Last month, we covered how a dyno operates and some of the mathematics involved with recording and calculating the coveted horsepower and torque numbers that enthusiasts lust after. This month, we are ...

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 ...