General Motors' Duramax diesel engine lineup has been powering GM trucks and SUVs and enthralling gearheads since its original release in 2001. While the most famous member of the Duramax roster is ...

Whenever you change your vehicle’s oil, some of the old stuff always gets left behind. Your average lube tech isn’t flushing out all the oil galleys before unscrewing the drain plug, and really, there ...

High mileage on a 6.6 Duramax is less about a single scary number on the odometer and more about how that number lines up with the engine’s design, maintenance history, and known weak spots. The same ...