I buy 100% gas for weed eaters and lawn mowers, and also for my 49 GMC, Stihl recommends 100% gas in all their equipment, The ethanol eats up fuel lines and breaks down quicker. I am going start using the ethanol free gas, in MH when setting thru winter.
H.B. & Deb. Molly(spoiled Shih Tzu) , 06 Pace Arrow ,36D full slide , electric jacks , 04 Jeep Liberty, Blue Ox Aventa II , 97 Harley Heritage.