The GM L5P Duramax is a turbo-diesel engine produced by General Motors for use in full-size heavy-duty (HD) pickup trucks. Displacing 6.6 liters in a V-8 configuration, the L5P is part of a new ...

A document containing official horsepower and torque numbers for GM’s brand new 6.6-liter V8 Duramax turbo-diesel was found buried on the GM Powertrain website – before the company quickly deleted it.

GM’s leaked powertrain guide for the 2017 model year denotes that the L5P figures are SAE J1349 certified, which means that the numbers were derived using the latest standards and specifications in ...

Introduced in 2001, the Duramax V8 turbo diesel family was continuously improved over the years until the L5P that GM uses in heavy-duty trucks. Fully stock, the 6.6-liter mill develops 445 horsepower ...

General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

General Motors has long been a name associated with producing powerful cars, trucks, and SUVs. But since 2000, GM's diesel power has pretty much been personified in the turbo-charged Duramax diesel ...

In the full-size truck segment, the Big Three in Detroit offer three distinct V8 turbo diesels. At the very top of the spectrum, the Ford Scorpion 6.7-liter Power Stroke develops up to 500 horsepower ...

General Motors’ next-generation 6.6-liter Duramax V-8 turbodiesel is said to make 445 horsepower at 2,800 rpm and 910 pound-feet of torque at only 1,600 rpm. That’s what GM’s own 2017 global ...

The next-generation turbo-diesel 6.6-liter Duramax engine, set to debut in the 2017 Chevrolet Silverado heavy-duty and GMC Sierra heavy-duty pickup trucks, will offer more torque, power and fewer ...

The workhorse Duramax 6.6-liter turbodiesel V8 engine General Motors uses in its heavy duty pickup trucks is being rebuilt to comply with tough new emissions standards that take effect in 2010. GM ...