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  1. 93 Octane with Ethanol performance improvement

    F150 Ecoboost Performance
    Hello, This summer I started running Sunoco 93 Octane that has ethanol in my 2016 Screw with the 3.5. There isn't a non-ethanol 93 octane option anywhere near me, so this is as good as it gets. Once the truck adapted to this fuel, it was a very noticeable improvement. I had an learned octane...
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