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Thread: tranny feature request

  1. #1
    Member
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    Mar 2007
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    Default tranny feature request

    there apparently is a feature we cant access for the 4l80e which allows you to keep the converter locked on the highway when you let off the gas at highway speeds. Several had posted about trying to get around this but cant due to an overiding feature we cant access. Having a bigger than stock stall lock/unlock on the highway is aweful. Thanks

  2. #2
    Lifetime Member SinisterSS's Avatar
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    Sep 2003
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    Default

    I'll second that.
    2009 Z06 LS7 / 2008 Sierra Denali AWD L92 6L80E
    Flashing control modules since 2001. 8-)
    Who needs a MAP sensor on a supercharged LS6 anyway.


  3. #3
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    Default

    The missing trans. tables for 4L80E and 4L60E.

  4. #4
    Senior Member
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    Mar 2005
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    105

    Default

    Quote Originally Posted by joecar
    The missing trans. tables for 4L80E and 4L60E.
    Ditto, and especially some missing TCC tables.
    2014 Silverado 4X4 6.2L
    2010 Camaro 2SS-RS L99
    2007 Sierra Denali 6.2L
    2005 1500HD 4X4 Quadrasteer 6.0L, COS3 SD

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