E-85 Fuel mix on my 2012 WRX?
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This is a discussion on E-85 Fuel mix on my 2012 WRX? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Hi All, I have a 2012 wrx hatch with a turbo xs bov, aem intake, cobb ap ots tune, and ...

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    E-85 Fuel mix on my 2012 WRX?

    Hi All,

    I have a 2012 wrx hatch with a turbo xs bov, aem intake, cobb ap ots tune, and a tsudo catless downpipe coming soon.

    Will I be able to add a few gallons of e-85 to improve performance without having aftermarket injectors/fuel pump?

    Thanks!

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    Master Baiter EJ257's Avatar
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    Pro Manscaper Mikie13's Avatar
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    Quote Originally Posted by EJ257 View Post
    No
    +No.
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    Ok... What would I have to do to be able to run e-85...

    Quote Originally Posted by EJ257 View Post
    No

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by atissasha
    Ok... What would I have to do to be able to run e-85...
    Minimum:
    Fuel pump
    Injectors
    Retune

    You may need an aftermarket TMIC / BPV as well.
    2005 WRX STi (Mods | Virtual Dyno)

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    Moderator T0rque's Avatar
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    all of this

    Quote Originally Posted by EJ257 View Post
    Minimum:
    Fuel pump
    Injectors
    Retune

    You may need an aftermarket TMIC / BPV as well.
    plus get rid of this:
    Quote Originally Posted by atissasha View Post
    Hi All, I have a 2012 wrx hatch with a turbo xs bov


    Lead Wrench @ WTF Tuning, LLC

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    ok,,, any injectors/fuel pumps you'd recommend?

    Quote Originally Posted by T0rque View Post
    all of this



    plus get rid of this:

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by atissasha
    ok,,, any injectors/fuel pumps you'd recommend?
    Staying with the stock turbo?
    2005 WRX STi (Mods | Virtual Dyno)

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    Moderator T0rque's Avatar
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    E-85 Fuel mix on my 2012 WRX?

    Deatschewerks makes a drop in replacement for 08+ I'd go with that and the same brand injectors


    Lead Wrench @ WTF Tuning, LLC

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    yes stock turbo and cat less down pipe
    Quote Originally Posted by EJ257 View Post
    Staying with the stock turbo?

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by atissasha
    yes stock turbo and cat less down pipe
    DW makes an E-compatible fuel pump
    I'd go with the ID1000s for injectors over the DWs
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    Thanks,,, just ordered that fuel pump, and 1300 cc dw injectors...
    Quote Originally Posted by EJ257 View Post
    DW makes an E-compatible fuel pump
    I'd go with the ID1000s for injectors over the DWs

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    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by atissasha View Post
    Thanks,,, just ordered that fuel pump, and 1300 cc dw injectors...


    Every set of 1300cc DW injectors I have seen (over a dozen) have failed, some destroying expensive built engines in the process. I personally went through three sets of them before I switched to Five-O 1200s. Honestly, I am amazed they are still selling them. They have so many returns on them that they can't even keep up with the exchanges. The last set I returned took over a year for me to get my money back.



    I would argue that an upgraded TMIC isn't essential when switching to e85 because of the cooler burning properties of ethanol. It would still be a worthwhile upgrade simply to reduce pressure drop though..

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by MainFrame
    I would argue that an upgraded TMIC isn't essential when switching to e85 because of the cooler burning properties of ethanol. It would still be a worthwhile upgrade simply to reduce pressure drop though..
    The upgraded TMIC isn't so much for it's cooling, but the pressure drop and the fact that the stock one has issues with the plastic endtanks; an ethanol tune could push it beyond it's physical capabilities.
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    Registered User teflon_jones's Avatar
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    Get rid of the bpv until you have a tune that supports it.
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