Over a decade ago, General Motors developed an engine that could have revolutionized the market for half-ton trucks and diesels. Tragically, it never did. The 4.5-liter Duramax V8 that was supposed to ...
General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...