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Thread: Fresh performance 6L90 build, baseline tune issues

  1. #1
    Tuner in Training
    Join Date
    Sep 2020
    Posts
    12

    Fresh performance 6L90 build, baseline tune issues

    2009 GMC Canyon factory 5.3 with mild build and TC76 turbo, 6L90 swap.
    I'm not too savvy with what exactly was done to the trans, but it has a Circle D 3200 stall converter and powerglide clutches somewhere in it.

    Getting started with tuning here as well, looking for guidance on where to look and what I am looking at.

    The issues I am having are on moderate acceleration, it seems to load down and bind up. Light throttle shifts are good. I set shift tables with BlueCat software.

    Thanks
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