Originally Posted by 53' Stude
Originally Posted by jbutch
Someone posted a UOA of it and it had really good results in an Ecoboost 3.5.
Looks like a good dual rated oil.
This oil is same price as regular Premium Blue. Tempted to do a VOA on it since we dont know what 8600 ES means yet
I think it has replaced regular Premium Blue 15W40, it is approved under certain conditions for a 10K mile drain extension by Cummins. The ES usually means "extended service" in Cummins/Fleetguard-"speak".