CK-4 oil
Anybody change to this new oil for their tow vehicle. chevman
Forum Discussion
Yesterday I changed the oil in my 2014 6.7 powerstroke and put in T-6 Rotella 5 w40 Full Synt. just like always and just looked at the bottle and it is CK-4 . I might just change to Motorcraft oil.....Probably made by Shell......
