The 6.6L Duramax diesel engine has made an appearance in the Chevrolet Silverado and the GMC Sierra over the years, and both ...
The LMM Duramax V8 debuted in mid-2007 alongside the new GMT-900 platform the Chevrolet Silverado and GMC Sierra, along with a slight uptick in power to 365 hp and 660 lb-ft of torque. The power ...