The base engine in the 2017 Silverado HD remains the 6.0L Vortec L96 V-8. The gasoline drinker is still E85-compatible, meaning that it’s capable of running on unleaded or up to 85 percent ethanol.

In the world of three-quarter and one-ton pickup trucks, torque is the name of the game. For the model year 2017, the Chevrolet Silverado HD and its GMC-branded counterpart are good for 445 horsepower ...

LML, like many other GM product codes, doesn't stand for anything at all, and is merely a sequence of letters meant to denote ...

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 ...

Known under the VIN code Y, the L5P Duramax is the latest evolution of the 6.6-liter turbo diesel that powers the Silverado HD and Sierra HD. Introduced for the 2017 model year and mated exclusively ...

Gale Banks and the rest of the crew at Banks Power have tried one way after another to kill their Duramax L5P diesel test engine, but so far, it just ain’t happenin’. People had their doubts when they ...

Unbeknownst to many of you, we have been running and testing a defense-market version of the all-new, ’17 6.6L Duramax L5P engine on the dyno since late 2015. Based on what we’ve learned during this ...

For several years, GM has been working behind the scenes on a new diesel for heavy-duty trucks. In October, the fifth-generation Duramax made its debut at the Texas Motor Speedway. Mr. Truck was on ...

When General Motors decided to make a diesel engine a permanent part of its light-duty truck lineup in 1982, it partnered with Detroit Diesel for a 6.2-liter V8 rated at 130 horsepower and roughly 240 ...