The best I have found is Briggs & Stratton gas stabilizer. They clain over 2 years life when using the heavy "storage" dosage.
It helps if you can store the gas in a pressure sealed container in a cool place. Helps prevent the evaporation of the light ends of the fuel.
A sealed tank makes a huge difference. a relative has a gas engine powered post hole digger. The thing is designed to lay flat after use, so the fuel filler cap has a little screw tight vent to prevent leakage when the tank is laying on it's side. When in storage this screw vent is closed and amazingly, the gas stays fresh rfor years in that sealed tank !!. Maybe a small engine shop could get you a sealed cap with screw tight vent to fit your generator ??
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Today's Featured Article - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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