M mer Joined Dec 7, 2008 Messages 30 Location ILL Feb 17, 2010 #1 Any problem with Motorcraft 5w30 syn.blend & 5w30 Full syn. 50%-50% mix for 2003 f-150 5.4 38k....????
Any problem with Motorcraft 5w30 syn.blend & 5w30 Full syn. 50%-50% mix for 2003 f-150 5.4 38k....????
H hate2work Joined Sep 5, 2008 Messages 4,630 Location Western Washington Feb 17, 2010 #2 Nope, blend away.
