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Thread: In the process of swapping to 4l80e tranny do i need a segment swap?

  1. 03-02-2016 #1
    C10Vortec
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    In the process of swapping to 4l80e tranny do i need a segment swap?

    c10 3bar custom OS have a harness with a pigtail for 4l80e. My editor has all of the trans calibration settings, but cant figure out if this is for a 4l60e or 80e? My tranny ID is 9358180 CVN is 10e7 and Tranny Diagnostic 16264340 CVN is D026. Any help if this is a 60 or 80? Thanks!!
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  2. 03-03-2016 #2
    C10Vortec
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    Well I think I answered my own question. I tried to find a matching OS to include the custom 3 bar SD setup with a 4l80e. Found one over at sloppy mechanics and went through the segment swap and the tranny ID and Tranny Diagnostic were exactly the same. So looks like I have a 4L80e.
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  3. 03-03-2016 #3
    UKMeskin
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    Sounds good. I just put a 4l80e behind my ls408. Great transmission so far. I wish I could help with the segment swap. When I did my swap I went from a T56 to the 80e. I bought the wiring harness adapter from speartech. It was plug and play.
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