When it comes to the three main diesel mills we see in the domestic market, there's Ram's Cummins inline-six mills, and Ford ...

Steve Cole is a man on a mission. Since the Duramax was released in 2001 he has been working on optimizing the computer-calibration GM uses to run its newest diesel for more power and fuel economy in ...

Stock is good, but there's always room for improvement. When GM Powertrain set out to build a Duramax-powered GMC truck to help promote its new Duramax boat engine, it turned to Diesel Power to ...

If you are tired of eating up front disc brakes and having to lay on the brake pedal longer than you’d like when your late-model GM HD pickup is towing a big gooseneck or heavy tow-behind trailer, we ...

The workhorse Duramax 6.6-liter turbodiesel V8 engine General Motors uses in its heavy duty pickup trucks is being rebuilt to comply with tough new emissions standards that take effect in 2010. GM ...

The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter gasoline V8, or the optional 6.6-liter Duramax turbo-diesel. Opting for the TD ...