For 2001, GM released its 6.6L Duramax engine, which, at the time, was considered by many to be the most advanced diesel powerplant ever installed in American pickup trucks. The fact that the same ...

There’s no doubt about it, we’re living in the age of easy horsepower. And perhaps no one knows that better than owners of the tried-and-true Duramax. The LBZ and LMM versions of GM’s common-rail V-8 ...