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 ...

In the diesel performance realm, it’s not uncommon for general repair items to morph into high-horsepower builds. Case in point, when this ’09 GMC Sierra came into Flynn’s Shop in Alexander, Illinois, ...

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 ...

The 6.6-liter LMM Duramax V8 diesel engine was introduced midway through the 2007 model year, when it replaced the 6.6 liter LBZ Duramax variant. As such, it powered Chevrolet Silverado Heavy-Duty and ...

Duramax – the diesel engine that saved GM’s heavy-duty pickups – is 10 years old, and the company celebrated the milestone last week. In 2000, Isuzu and GM started joint production of the first ...