The 6.6-liter Duramax V8 has powered the Chevrolet Silverado/GMC Sierra HD trucks since 2001 ... deactivation system that shuts off four cylinders to improve efficiency under light load. The Audi 4.2 ...
A symbol of American automotive prowess, the Chevrolet Small Block V8 is a masterpiece that has left an indelible ... Coming from General Motors' lineage of engineering marvels, the GMC Duramax ...