The 6.6 Duramax and 6.7 Power Stroke are two engines powering some of the most well-known pickups in the country, but how do ...

The Duramax diesel is a series of diesel engines manufactured by General Motors. Here's a breakdown of the generations over ...

[Image by Joe Haupt via Flickr | Cropped and scaled | CC BY-SA 2.0] In mid-2004, Chevy followed up the LB7 with the LLY Duramax, which boasted a new injector design that made servicing much easier.

It was replaced by the 310-hp LLY Duramax, with 605 lb-ft of torque, halfway through the 2004 model year. More changes with increased power came on a regular basis, with the LBZ in 2006 ...