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...
Forum Discussion
99% of diesels state to run 15/40 why would one use 10-30?? Did it mention what brand??
