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 ...

The Duramax is built on a strong foundation ... spanning 15 model years to date. The first generation, often considered some of the worst years for the 6.7 Power Stroke, produced 390 horsepower ...