During a phone call from Stephen Clarke of Bully Dog Industries, up in Aberdeen, Idaho, he shared with me some performance dyno numbers pertaining to the Bully Dog Power Pup Downloader and nitrous ...

A Duramax hits the dyno and the numbers are wild. No shortcuts, no fluff, just raw power and surprising results that made everyone stop and stare.

Modern diesel truck engines are, as we know, massively powerful from the factory—each of Detroit’s Big Three has heavy-duty pickups that hover around or above 1,000 pound-feet of torque. General ...

Gale Banks and the rest of the crew at Banks Power have tried one way after another to kill their Duramax L5P diesel test engine, but so far, it just ain’t happenin’. People had their doubts when they ...

With the introduction of the '07 GMT900 trucks, you can get a 2500HD or 3500HD with an all-new body and interior wrapped around a cleaner and more powerful version of the famous Duramax diesel or a ...