Palm Beach Dyno and Signature Speed push the 991-hp C8 Corvette ZR1 to 1,170 hp with early tuning, downpipes, and MS109 fuel.

Wild engines, with aluminum everything, mega cubic inches, huge superchargers, three stages of nitrous, and untold horsepower are fascinating, but back in the real world, most of us live with much ...

This video documents a dyno tuning session for the BMW Z8 following the installation of a Supersprint exhaust system. The aim is to evaluate performance gains and sound characteristics after the ...

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 ...

Those in "the Know" are keenly aware that the import or compact industry is technologically driven. Complete stand-alone engine management systems, on-board air/fuel ratio monitors and even ...

LT4 is how GM calls the blown V8 of the Camaro ZL1, and it’s a serious piece of small-block engineering thanks to roto-cast aluminum heads, larger combustion chambers than the LT1 on which it’s based, ...

A hands-on dyno tuning session using a FiTech EFI system, packed with practical advice on throttle body adjustments, fuel maps, and optimizing engine performance. White House reacts after intel ...