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Thread: 100ll vs 90 octane recreational ethanol free which is better?

  1. #1

    Join Date
    May 2015
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    Default 100ll vs 90 octane recreational ethanol free which is better?

    Fuel


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  2. #2
    moe2goe's Avatar
    Join Date
    May 2010
    Location
    St. Pete, Fl.
    Posts
    361
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    Default Re: 100ll vs 90 octane recreational ethanol free which is better?

    Hi Bob, my opinion for the O-320 (Peterson Auto Fuel STC) my plugs are cleaner using the non-ethonal/ unleaded fuel.
    The STC requires a tank full of 100 LL each 75 hours. The plugs still have deposits, but much less than continuous
    Use of 100 LL.. Moe

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