That changeover occurred just a few years after GM began producing Duramax engines, with the LLY arriving in mid-2004. If you want to figure out which of these Duramax variants is under the hood ...

The mid-2000s was a period of rapid iteration for GM's Duramax engine. The LLY only lasted a couple of years before GM debuted an updated version of ... with bent fins requiring a replacement turbo.

Read about Chad Simper's Twin Turbo Chevrolet 2500HD Duramax Diesel in this story by ... Chad is now having a race engine built by TTS Power Systems and Comptech that will combine LLY and LBZ ...

Read about this twin turbo Duramax with 650 horsepower and 1,215 lb./ft. of torque, only on dieselpowermag.com, the official website of Diesel Power Magazine.

In the world of diesel engines, the Duramax series by General Motors holds a special place and is known for its robust performance and reliability. However, like many modern diesel engines, the ...

The next Joint Light Tactical Vehicle that will replace the US Army’s iconic Humvee will be powered by military grade version of the Duramax 6.6-litre V8 turbo diesel used in GM’s large pickups.

6.6L L5P Duramax Turbo-diesel V8 While GM has agreed to replace affected trucks, the replacement vehicles will be subject to certain feature constraints due to the semiconductor chip shortage .

Oshkosh Defense LLC was recently awarded the U.S. Army's contract to replace the aging Humvee troop and payload carriers with a light tactical vehicle that will include the current-generation 6.6 ...

Early in the history of Duramax engines, GM changed the LB7 series of engines to LLY, but it can be difficult to tell them apart. Here’s how.