When we began this journey, we wanted to present to you a CP3 injection-pump conversion and a Wehrli Custom Fabrication compound-turbocharger kit installation on a ’15 Chevrolet Silverado 2500HD, ...

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 ...

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 ...

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 ...

Update: the numbers for the new Duramax L5P are officially in. First things first: the current 6.6L V-8 Duramax LML under the hoods of GM’s 2016 model year trucks is rated at 397 horsepower and 765 ...