Knuckle-dragging 5.0s are sure to benefit from AEM's powerful new engine manager immediately, and soon, so will 4.6s. By the time this makes print, the EEC V version of the AEM computer should be only ...

Tuning is the origin of hot rodding. Back in the day, Pontiac owners with a taste for performance would dial in their cars' air/fuel ratios and timing among other things to squeeze a few more ponies ...

The art of fine-tuning an engine computer is viewed as one of the blackest in the aftermarket. Table after table of arcane numbers, weird figures, lambda this, AFR that, boost pressure the ...