Ford Approved Oils for New CK-4 Specs

[alexb2000]

Rotella T-6 now on the approved List.


​About 2/3's down on the first page

Thanks for posting that. I was starting to get really cranky since I had emailed Shell and they assured me it was in process the first part of the year. That and I just didn't want to change oil, no reason other than I am a creature of habit.