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.

General Motors first introduced the 6.6L Duramax V-8 diesel engine for its ’01 Chevrolet and GMC light trucks. GM cooperatively designed and built the engine with Isuzu to replace the 6.5L oil-burner ...

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 ...

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 ...

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 ...

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

Lou is a freelance journalist and content writer with a focus on the automotive world. After graduating from Coventry University (Automotive Journalism MA) in 2020, she worked in automotive e-commerce ...

When it comes to pickup trucks, most enthusiasts take a hardline stance. You're either a Ford fan, a Ram fan, or a Chevy fan. There doesn't tend to be a lot of compromise or love lost between the ...

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 ...

Truck owners have an important decision to make when they're buying a new or used truck, what type of engine is best for them? The choice between a diesel engine and a gasoline-powered engine really ...