Chevrolet offers a choice for the Silverado powertrain: Either the 6.6 L8T gas engine, or the 6.6 Duramax - both of which offer potent towing capacity.

Duramax engines first arrived on the scene in 2001. Since then, the 3.0-liter version of this diesel motor has become one of ...

The 6.6 Duramax and 6.7 Power Stroke are two engines powering some of the most well-known pickups in the country, but how do they compare?

The 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GM’s Pre-L5P turbodiesels. Here are some vital facts about the iconic truck engine.

All 6.6-liter Duramax engines require 10 quarts of motor oil. Pre-2008 Duramax engines require CH-4 or CG-4 oil, while engines made after require CJ-4.

Both the naturally aspirated V8 gasser and the Duramax-braded V8 turbo diesel are fine engines in their own right, but they ...

Complete information, specs, power and torque ratings on GM's 6.6L L5P V8 Turbo Diesel Duramax engine used in the Chevy Silverado HD and GMC Sierra HD.

GM and Stellantis use some heavy-hitting diesel engines in their pickup trucks. But which is the best?

Complete information, specs, power and torque ratings on GM's 6.6L LMM V8 Turbo Diesel Duramax engine used in the Chevy Silverado HD and GMC Sierra HD pickups.

The 2008 6.6-liter Duramax uses EGR and recirculates a considerable amount of its exhaust back into the engine for reburning. The engine oil turning black almost immediately after an oil change is ...

The wait is over and the anticipation is now satisfied – GM has officially debuted its heavily revised 6.6-liter Duramax V-8 turbodiesel. Actually, “heavily revised” might be an ...

We are mentioning all this because Duramax is celebrating the 2 millionth copy of this engine. After beginning production of the 6.6-liter V8 on July 17th 2000, Duramax has made 2,000,000 of those ...