Edge has also re-engineered and released all-new, 50-state legal calibrations for the 2011-2015 LML Duramax. “Gain up to 135 horsepower and 240 lb.-ft. of torque with the performance tune,” […] ...

The 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. Here are some vital facts about the iconic truck engine.

The GM LML Duramax Diesel was a sizeable 6.6 liters and was made from 2011 through 2016, available in select Chevy Silverado and GMC Sierra trucks.

Edge Products is offering GM Duramax engine owners a shot at upgrading their oil-burner with its new Insight CTS3 and Evolution CTS3 kits.

Priced at $675.95 on Holley’s website, the 50-state-legal Edge reflasher is only compatible with the previous-generation Duramax that General Motors used in 2001 to 2016 pickup trucks.

The LML is expected to be GM’s cleanest diesel engine yet. Some have speculated that its displacement would grow to 6.9 liters for emissions reasons, but our sources say it will continue to be a ...

The owner keeps it well maintained, but his concern about the longevity of the 6.6L Duramax LML engine’s CP4.2 high-pressure fuel-injection pump finally needs to be addressed. As the truck’s ...

The LML Duramax Diesel is a beloved engine that had its share of troubles, but it made a notable impact for the short period of time when it was produced.