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Thread: DSP5 not switching?

  1. #1
    Senior Member JustinD's Avatar
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    Jul 2009
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    Default DSP5 not switching?

    I have attached a DSP5 file that I have in one of my friends trucks, his 01 ZF6 truck originally had a 7601 OS, it seemed as though it wasn't capable of DSP mods, so we decided to convert it to the 3376 OS and write a DSP5 tune for it, runs fine, had a few comm errors looking for a TCM and such that doesn't exsist..... Can someone take a look and see what I missed in this file to make it switch?

    Thank you
    Attached Files Attached Files
    2001 Chevrolet K2500HD Duramax
    Suncoast SCIV 1056
    Kennedy twin lift pumps
    Billet pick up
    MBRP 4" exhaust
    Air intake horn mod
    ARP head studs
    A few more go fast/truck pulling goodies!
    Tuned with EFI
    12.65 @ 107 1.71 60'

  2. #2
    Member Big D's Avatar
    Join Date
    Aug 2007
    Posts
    98

    Default

    Fix the out of range counts first. Watch your dsp volts pid. I've had to adjust the switch voltage by .10 up or down before for the switching to be correct for the tunes to line up properly.
    Making tires smoke since 1994
    Grand Junction CO

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