In almost 25 years powering General Motors trucks and SUVs, the 6.6-liter Duramax V8 diesel engine has earned a loyal following for performance and efficiency.

In almost 25 years powering General Motors trucks and SUVs, the 6.6-liter Duramax V8 diesel engine has earned a loyal following for performance and efficiency.

Complete information, specs, power and torque ratings on GM's 6.6L L5P V8 Turbo Diesel Duramax engine used in the Chevy Silverado HD and GMC Sierra HD.

The 6.6L Duramax diesel engine is well regarded in the truck community, but what is considered high mileage for one? Here's a safe estimation.

GM Powertrain's powerful Duramax 6.6L V-8 turbo-diesel engine is revised to meet new, stringent 2007 federal emissions regulations and continues to deliver the outstanding power and torque ratings ...

He was going to be in our neighborhood (Southern California) installing a 6.6L Duramax engine for two other diesel enthusiasts-Paul and Drew Benham.

GM’s redesigned Duramax 6.6L turbo-diesel offers a number of advantages to fleets including increased horsepower and torque, and fleets are showing interest in the new engine, which will be available ...

The 6.6L Duramax turbo-diesel V8 engine makes a total of 397-hp at 3,000 rpm and a peak torque of 765 lb-ft at 1,600 rpm. The 11 percent jump in fuel efficiency, combined with a new 36-gallon fuel ...

We've got official horsepower and torque numbers of General Motors' new L5P 6.6L Duramax Diesel V-8 engine. See them for yourself here at GM Authority.

The 6.6L Duramax diesel engine has an advantage over other diesels in racing applications (both road racing and drag racing) in that it only weighs 900 pounds-about 300 pounds more than a fully ...