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Thread: Help with some lt1 tuning tuner pro

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  1. #1
    Electronic Ignition!
    Join Date
    Mar 2023
    Location
    Stockton
    Age
    34
    Posts
    18
    Thank you great info and gives me somewhere to start I’ll try that later today and yes it is DBC I’ll look at my data stream and see what the IAC count is and ECT

  2. #2
    Electronic Ignition!
    Join Date
    Mar 2023
    Location
    Stockton
    Age
    34
    Posts
    18
    On another note I’m still having some trouble with the transmission not shifting properly stays in second and tcc won’t lock up using flash hack I can command the tcc to lock up and put it in 4th gear that way i need to add a resistor to the vss wire from pcm to switched 12v that’s what Dana said over at lt1 wiring back when he did this harness and tune since I’m not running it to a speedo so worst case scenario I have a th400 to throw in but if I go that route do I need to disable all transmission controls in tuner pro or somewhere else

  3. #3
    Fuel Injected! MO LS Noobie's Avatar
    Join Date
    Apr 2022
    Location
    Missouri Ozarks
    Posts
    227
    I do not have much experience with the transmission yet, still trying to get mine perfected. I can share my bin file with you but it is for a 603 operating system. I have a 408 cu in LQ9 LS with a 4L60E transmission.

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