General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

Generating 445 hp and 910 lb.-ft. of torque, the new 6.6L Duramax shares only bore and stroke with current models; new GM-developed controls help generate 90% of peak torque from 1,550 to 2,850 rpm ...

In the world of heavy-duty pickups, competition under the hood is fierce, with major brands like Duramax, Cummins, and Powerstroke, making the list of the most reliable diesel engines ever built. In ...

Chevrolet brought an influx of new concepts, accessories and crate engines to the 2017 SEMA show, but buried in the details surrounding the new iron-block 6.0-liter L96 V8 crate engine was another ...

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 ...

Automotive racing is a multi-billion dollar industry, and diesel has barely made a dent in it. Sure, there are the Audi TDI roadrace cars, but those vehicles are just about as far removed from the ...

MT. BACHELOR, Oregon — The claws are out at Chevrolet. The bow-tie brand has had about enough shade thrown at its new Silverado pickups by fans of Fiat Chrysler’s Ram pickups. It’s got a few choice ...