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Thread: E85 in clarkston waterford area

  1. #11
    Forum Member wickettoby1's Avatar
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    Non E85 user but I had a question, how much deviation % can a flex fuel sensor correct for? Say if the engine was tuned on E85 and when you tested the fuel from the pump it was only E75, how will a flex fuel sensor respond?

  2. #12
    Club Member WhiteHawk's Avatar
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    Quote Originally Posted by wickettoby1 View Post
    Non E85 user but I had a question, how much deviation % can a flex fuel sensor correct for? Say if the engine was tuned on E85 and when you tested the fuel from the pump it was only E75, how will a flex fuel sensor respond?
    As far as I understand, on an OEM tune car (not an aftermarket setup) it will adjust the tune anywhere between E85 and E0. It has to be super accurate in order to meet emissions with different fuel mixtures.

    -Geoff
    2016 Camaro Convertible 2SS

  3. #13
    Forum Member wickettoby1's Avatar
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    Thanks Whitehawk, so what about an aftermarket ECU from Holley or Motec or ???? I’m guessing it isn’t required to run a flex fuel sensor if your using drum fuel that matches what the ECU is tuned for?

  4. #14
    Club Member 85notch's Avatar
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    image1.jpeg

    Saw this today
    R and D racing.

  5. #15
    Club Member WhiteHawk's Avatar
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    Quote Originally Posted by wickettoby1 View Post
    Thanks Whitehawk, so what about an aftermarket ECU from Holley or Motec or ???? I’m guessing it isn’t required to run a flex fuel sensor if your using drum fuel that matches what the ECU is tuned for?
    Sorry, no idea what the aftermarket has been doing with E85.

    -Geoff
    2016 Camaro Convertible 2SS

  6. #16
    Club Member Sledder's Avatar
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    Quote Originally Posted by 85notch View Post
    image1.jpeg

    Saw this today
    Is that from the Meijer at Hall & Hays? That is just gross. How can the not know their fuel is that bad.

    I Drag Race Because It's Fun, Not Because I'm Good At It.

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