Ford 6.7 diesel vs 6.6 duramax Source Source Source Source Source Source Source Source Source Source Read Also: 2002 Ford duramax diesel mpg Ford 6.0 diesel vs duramax Ford 6.4 diesel vs duramax Duramax diesel vs ford powerstroke Chevy duramax diesel vs ford powerstroke 2011 Duramax vs 2011 ford powerstroke
