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preemium fuel

  1. 2018 & Up Goldwing Board
    I know this sounds crazy but I have been keeping a close eye on running 91 octane BP gas (ethanol free) and 87 octane regular, or so it says anyway, "ethanol free" and I have notice a huge difference in fuel efficiency. I'm talking 7 to 10 miles per gallon. I'm getting fuel from the same gas...