Originally Posted By: ccap41
I believe the 1.0 in the Fiesta/Focus is also an exception that takes 5w-20.
You are correct, sir.
It is strange that the 2009-2010 Ecoboost 3.5 gets 5w20 (never back specced) while all the 2011+ get 5w30 except the 1.0. Never understood what was going on there. But the 2009-2010's are soldiering on without issue on 5w20.
I believe the 1.0 in the Fiesta/Focus is also an exception that takes 5w-20.
You are correct, sir.
It is strange that the 2009-2010 Ecoboost 3.5 gets 5w20 (never back specced) while all the 2011+ get 5w30 except the 1.0. Never understood what was going on there. But the 2009-2010's are soldiering on without issue on 5w20.