Combining ECM calibration with a diesel delete kit removes the EGR and DPF systems entirely, allowing the tune to operate ...

Pontiac isn't a name most regular PHR readers would associate with our annual Engine Masters Challenge competition, but make no mistake, Ponchos can make a mountain of power and a torque curve as flat ...

inefficient today to consider that GM was producing unique 455 Pontiacs, 455 Oldsmobiles, 455 Buicks, and 454 Chevrolets--four engines within 1 cubic inch of displacement--all at the same time.

Utah's Transcend Energy Group claims it has a relatively simple and cheap way to dramatically increase the torque output of combustion engines, simply by replacing the standard connecting rods with ...