A perennial competitor to Ford's Power Stroke V8 and Ram's Cummins turbo diesel inline six-cylinder engines, the 6.6-liter Duramax is one of the most popular diesel powertrains for heavy-duty trucks, ...
We all know EPA fuel economy ratings are hogwash. Eight months and 16,000 miles of diverse driving have proven that as we’ve averaged 18.8 mpg in our diesel Silverado ZR2. However, if you pull the ...
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 ...