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.

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

DES MOINES, Iowa (IOWA CAPITAL DISPATCH) - U.S. Environmental Protection Agency Administrator Lee Zeldin announced guidance Tuesday for engine and equipment manufacturers to prevent sudden shutdowns ...

This story should end with a $15,000 invoice and a grown man staring numbly into the distance, wondering how a perfectly ordinary fill-up turned into a disaster movie without warning. But like most ...

Over a decade ago, General Motors developed an engine that could have revolutionized the market for half-ton trucks and diesels. Tragically, it never did. The 4.5-liter Duramax V8 that was supposed to ...

An exhaust system is essential for managing emissions and optimizing internal combustion engine (ICE) vehicle performance. One of the more significant advancements in this area is the active exhaust ...

General Motors' Duramax engine family is one of the three leading names in diesel engines, right up there with Ford's Power Stroke and Cummins' diesel engines — like the legendary Cummins 6BT — ...

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Certain units of 2020 through 2024 GMC Sierra 1500 and 2020 to 2024 GMC Sierra HD pickup trucks, as well as 2021 to 2024 GMC Yukon SUVs, equipped with one of several available Duramax diesel engines, ...

Performance, towing, fuel economy, and more details about the Chevy and GMC models with the first-generation Duramax inline-six. The first-generation 3.0-liter LM2 Duramax diesel engine was a GM ...

Duramax. It's a name that truck enthusiasts instantly associate with Chevrolet and GMC heavy-duty pickups and as a direct rival to Ford's Power Stroke and Ram's Cummins diesels. The 6.6-liter "DMAX," ...

Which diesel exhaust fluid is best? When you have a diesel vehicle, besides adding fuel, you need to add diesel exhaust fluid. Diesel-powered vehicles require diesel exhaust fluid to reduce engine ...