In a message dated 5/30/10 12 44 28, joernco at online.no writes: > I`m a little confused! > > I shall only use GL4 oil, correct? > > Not GL5! > > > > My local shop has a Castrol W80 GL4 oil! > The book says to only use GL5. *NOT* GL4. I don't know. I just read the book and does what it tells me to do. :>) Mike