no but "Ford" here recommended castrol oil 10w-30 and 15-40 not that much heavy according to what Ford been used and a lot of people here are using 15-40
Ford??? As in a dealer?
I'm waiting what Livernois will say
you didn't get paperwork with break-in instructions?
I used 5w-30 dino oil to break my 5.4L in.
