Ethanol Free Gas
Carbureted vehicles can have ethanol gas issues, electronic fuel injected won't. Carburetor jets need to be up sized to compensate for the decrease in energy value. Typically, intermittent stumbling will occur in older carbureted vehicles. Ethanol also has a nasty habit of absorbing moisture ( H2O) further complicating drivability issues. Rubber hoses used to deliver the fuel were an issue with older vehicles but the newer rubber compounds can now handle the ethanol. I know automobile engines, I don't know golf cart engines so what I've stated applies to the latter.
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