In the diesel engine arena, there are, arguably, few powerplants held in quite as high a regard as the vaunted 6.6L Duramax. The turbocharged beast is the brainchild of General Motors who, in 1998, ...

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 ...

General Motors' Duramax engine is one of the most legendary diesel engines, next to Ford's Power Stroke and the Cummins diesel engines in trucks like the Dodge Ram. But while it may not have the ...