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Thread: 4L80e Segment Swap/2Bar HPTuners question

  1. #1
    Tuner in Training
    Join Date
    Sep 2008
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    19

    4L80e Segment Swap/2Bar HPTuners question

    Is there a particular way to do the segment swap write to the ECU?

    I found the 99 Camaro/4L80 file on here and downloaded it. Can I just do a full write to my ECU with this file? then install the 2-Bar conversion on top of it? THis is going in a 4l80e/5.3 turbocharged mustang

  2. #2
    Advanced Tuner Bluecat's Avatar
    Join Date
    May 2006
    Location
    Catlettsburg, Ky
    Posts
    407
    Yes. If the segment swap functions correct before the custom os upgrade, it will upgrade just like any other calibration for that os.