The 6.7 Cummins and 6.6 Duramax diesel engines are both reliable and solid, but they do differ in some ways. Here's the ...

Whenever you change your vehicle’s oil, some of the old stuff always gets left behind. Your average lube tech isn’t flushing ...

The Duramax ... diesel engines. To make this possible, this engine went through several performance upgrades. The crankshaft, aluminum pistons, main-bearing caps, rods, oil and water pump, and ...

In 2019, General Motors introduced the Duramax 3.0 diesel engine in its lineup, which could outperform or match its rivals in power and towing capacity. Several years later, in 2023, the inline ...