What il should be used in a R series, synthetic or hypoid?
mike165 Petty Officer 2nd Class Joined Apr 14, 2011 Messages 196 Sep 14, 2013 #1 What il should be used in a R series, synthetic or hypoid?
Bt Doctur Supreme Mariner Joined Aug 29, 2004 Messages 19,344 Sep 14, 2013 #2 Re: Sterndrive Oil Merc Premium gear oil works just fine.
