Chevrolet's Vortec 8100 was a powerful big block engine that could be found in many GM vehicles. However, it was eventually ...

In 2001, the 6.6-liter, 300-horsepower LB7 was the first Duramax engine used in a GM vehicle (Chevrolet Kodiak, GMC TopKick, Chevrolet Silverado, and GMC Sierra). It is widely considered to be an ...

2004-2005 Chevrolet Suburban and 2006 Suburban 1500; 2004-2006 GMC Sierra; 2006 GMC Topkick 6500; and the 2004-2006 GMC Yukon XL. General Motors, per the National Highway Traffic Safety ...