As we all know, sometimes things just don’t pan out as expected. As we covered in the first report of this two-part series (“Pumped Up,” May 2019), replacing the truck’s stock Bosch CP4.2 ...

Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...

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 ...

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 ...