I have a Generac Gaurdian 17k portable with 200 hrs and been using M1 HM 10w30 Syn yr-round here in the deep south.
But would Generac Syn 10w30 be any better at all?
Or would a straight 30w be better for the high heat here?
But would Generac Syn 10w30 be any better at all?
Or would a straight 30w be better for the high heat here?