When we first rolled our 2002 Chevy Silverado 2500HD into the bay at PPE Diesel's shop in Montclair, California, we thought for sure the transmission was toast. Interestingly, upon inspection it was ...

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 ...