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Thread: ford change injector need help

  1. #1
    Tuner
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    Sep 2017
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    Question ford change injector need help

    change bigger injector
    what should i change in HPT editor?
    do i have to change in red square line only?
    inj.png

  2. #2
    Potential Tuner
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    Sep 2016
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    No you will need to change all the injector data. Do this according to the injector data that was given with the injectors. There are some of the common injectors listed in a sicky.

  3. #3
    Tuner
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    thanks.
    but i knew flow rate@ pressure only.
    Do i have to change is all? flow rate , pulse width ,Limits ,Rail temp , Offset , Injection timing , reference angle?

  4. #4
    Advanced Tuner
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    inj.png


    What kind of injectors do you have?

  5. #5
    Tuner
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    stock = BR3E-F5A
    bigger = AF49-1900

  6. #6
    Advanced Tuner
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    Mar 2010
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    New Orleans, LA
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    Those are GM LS9 injectors unlikely you'll find ford data for them.

    Best bet is to dial it in with the stock injectors then swap them and just dial the injectors in.

    I would expect the high slope should calculate out to be just under 52 lbs/hr. ~51.72 or so.
    decipha @ EFIDynoTuning
    http://www.efidynotuning.com/

  7. #7
    Tuner
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    thanks a lot ..
    can u tell me low slop ?

  8. #8
    If you can't find the data for them you can send them to Calibrated Success tell him what pressure you are going to run them at. He will run them on his machine and get you all that data.