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 ...

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 ...

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 ...

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 ...

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’ 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 ...

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.

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 ...

The ever-escalating diesel horsepower and torque race appears it’s in full force, if figures found on the GM Powertrain site are any indication. Technically, the site is in the public domain, but is ...

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 ...