Late last week, General Motors announced it had built its two millionth Duramax engine, an L5P unit bound for either a 2017 Chevrolet Silverado HD or GMC Sierra HD. The L5P, which was recently ...

Enhancing performance of the 6.6L Duramax L5P diesel engine that powers '17-to-current GMC and Chevrolet trucks is not an easy proposition. General Motors' calibration engineers have made it very ...

Of the three United States automakers that offer diesel-powered heavy-duty pickup trucks, only two of those diesel engines are V8s. Those V8 diesel engines are the 6.6 Duramax found in offerings from ...

Diesel enthusiasts looking to upgrade the turbocharger on their 2017 through 2019 Duramax turbo-diesel L5P V8 engine can now turn to Wehrli Custom Fabrication for its latest single turbo upgrade kit.

In the world of three-quarter and one-ton pickup trucks, torque is the name of the game. For the model year 2017, the Chevrolet Silverado HD and its GMC-branded counterpart are good for 445 horsepower ...

GM is celebrating a milestone today: the production of the 1.5 million Duramax diesel engine at its DMAX facility. The Duramax breathes life into the Chevy Silverado HD, GMC Sierra HD, Chevrolet ...