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  1. F150 Ecoboost Problems
    Hello all! I have been researching this for over a day now and have not found too much on it. I am traveling in Colorado where their regular gas is 85 octane (something with elevation). I put 10 gallons of 85 octane in my 2015 3.5 ecoboost before realizing it. From my understanding this is...
  2. 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...
  3. F150 Ecoboost Chat
    So I searched the database and didn't find anything about octane/mileage differences. I know vehicles will get a better gas mileage with non-oxy fuel, then the oxy-fuel. I know there is also a difference between winter/summer gas. I am doing my own experimentation with the different oxy-fuel...
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