Posted 1/20/2010 21:26 (#1033011 - in reply to #1032864) Subject: Re: Any good reason to NOT use synthetic motor oil in a stand-by generator?
Ron I run the Amsoil 10W-30/30 Small Engine Oil in everything from generators to powerwashers and mowers and fert. pumps etc. It's got diesel additives so it has a much better additive pack than a Mobil 1 type oil. My second choice would be a Rotella syn. for the money.