Ford 6.7 - what oil do you use?
I know the question will elicit various responses, but a post regarding a 2012 Ford 6.7 engine failure on another forum prompted the question. He used 10w30 non-synthetic oil which he stated was chan...
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The first thing I would do is find a new dealer. If they look like a deer in headlights when you state they should use same oil spec'd since at least 2008 maybe they are not qualified to work on your diesel.
