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  1. #1

    Default Custom Tune or programmer

    I have a 1998 K2500 with the 5.7 and 3.73 gears. For me it is geared to low with 3.73 gears. I use it for a daily driver
    and it takes getting it to 50 mph before it fully shifts to overdrive and T/C locked. Is there a tuner that I can use to
    change the shift points or do I need a custom tune to do it. Thanks for the help in advance.

  2. #2

    Default

    you need to go to a shop and get a custom tune done... there's no handheld programmers available that support your 1998 truck... you'll need to go to a shop that uses hptuners software....
    06MonteSS


    2014 Camaro SS - 2SS, RS pkg., short-throw shifter, NPP perf. exhaust, BMR strut-tower brace, Cold Air Inductions cold air intake

  3. #3

    Default

    look at nelsons performance or blackbear performance they do mail order tunes, there way better than any hand held programmer
    2004 gmc sierra ext z71 5.3
    PERFORMANCE...
    KB racing hot pipes 3.5" : 76mm turbo: 4l80e : Circle-d 2b multi disk :Walbro 400 : Racetronix Hotwire kit : TB coolant bypass : Nelson 91 Pcm : Tr 220 Cam : Brian Tooley double springs kit : Ls7 Lifters : Stage 3 heads : Custom Intake Manifold :80lb Injectors : Ported TB : 40k tranny cooler: Plx dm-100 gauge: Auto meter fuel and boost gauge:
    APPEARANCE...
    Custom Speedo : Leveling kit :Smoked led taillights and 3rd break light : Black projectors and fogs with hids : Blacked out grille : 33's on 16's : Clarion flip screen: sound que 12" subs: clerion 6x9's : Memhpis amps: Alpine componet set.
    Future mods... Detriot tru-trac, deviels own stage 2 meth kit, MORE BOOST!!!!!!!!!!!!!!

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