craig27 Junior Member Aug 31, 2012 #41 Mitch//pa said: 15w40 rotella has more zinc content than the others Click to expand... Not that I have used it in a Model A but I really, really like Brad Penn oil!
Mitch//pa said: 15w40 rotella has more zinc content than the others Click to expand... Not that I have used it in a Model A but I really, really like Brad Penn oil!
