The Iconic 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. Duramax. It's a name that truck enthusiasts instantly associate with Chevrolet and GMC heavy-duty ...

Before GM introduced its L5P turbodiesels, there was a standout engine that featured enhanced fuel economy and greater dependability than previous iterations from the automaker. The GM LML Duramax ...

LML Duramax Diesel Photo by Brian Williams for Brenda Priddy & Co. Diesel may be in the dumps when it comes to pickup trucks, but things are starting to get hot in the heavy-duty segment. New federal ...

We’ve shown you spy photos and shared what our sources have told us, but now GM has pulled back more of the veil surrounding its next-generation heavy-duty Duramax diesel V-8 engine program. The ...

When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...

GM’s leaked powertrain guide for the 2017 model year denotes that the L5P figures are SAE J1349 certified, which means that the numbers were derived using the latest standards and specifications in ...

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 ...

The black ’15 Chevrolet Silverado 2500HD work truck we encountered at Dunks Performance in Springfield, Oregon, is the typical calling card of a successful turf business. It is used every workday to ...

Edge Products announced that its Evolution CS2 and CTS2 tuners are now available for 2016 Chevy and GMC pickups equipped with a 6.6-liter LML Duramax engine. Edge has also re-engineered and released ...

A lawsuit against GM has been certified as a class action for General Motors customers in seven U.S. states. The lawsuit affects customers who own Chevy Silverado and GMC Sierra pickup trucks equipped ...