It wasn't long ago that Ford and Dodge diesel truck owners laughed at the 6.2- and 6.5L diesel guys. Historically, GM owners have always been competitive in performance contests despite the best ...

These days, the Duramax namesake is as linked with turbo diesel engines as peanut butter is to jelly. That wasn't always the case, though. In the late '80s and early '90s, GM's Detroit Diesel couldn't ...

The Duramax engine was introduced in 2001, and it quickly became known for its reliability and performance. The 6.6L Duramax diesel engine has made an appearance in the Chevrolet Silverado and the GMC ...

A truck brand based around professional grade performance, the 2006 GMC Sierra 2500HD receives strengthened diesel power. The Duramax 6.6-liter turbocharged diesel engine is radically upgraded for ...

Last month, the most extensive modification to date was performed on our ’06 GMC Sierra 2500HD—fortifying the Allison transmission with Sun Coast parts. This month, we put the built Allison to work ...

A perennial competitor to Ford's Power Stroke V8 and Ram's Cummins turbo diesel inline six-cylinder engines, the 6.6-liter ...

The 6.6-liter LMM Duramax V8 diesel engine was introduced midway through the 2007 model year, when it replaced the 6.6 liter LBZ Duramax variant. As such, it powered Chevrolet Silverado Heavy-Duty and ...

Ever wondered what happens when you rip off the cab and bed of a heavy-duty pickup truck? Well, you get one giant go-kart-looking thing with a massive engine. If you don’t believe us, just ask ...

Over the last century, Chevrolet has rolled out several impressive engines, from the Gen I 350 small-block V8 and the Gen III Vortec 5300 V8, both of which we included on our list of the most reliable ...

A truck brand based around professional grade performance, the 2006 GMC Sierra 2500HD receives strengthened diesel power. The Duramax 6.6-liter turbocharged diesel engine is radically upgraded for ...