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Thread: 6R80 wont shift after ProCharger install, need help

  1. #1

    6R80 wont shift after ProCharger install, need help

    Please help, we installed Supercharger kit on Mustang 3.7L 2012" , calibrated engine data - it works good on one gear , + 100hp added.
    When cruising on the street everything wokr good untill Full Throttle, when we hit full throttle - it can not change gear , the car run fine till 7000 , after that it trying to make shift but engine just hanging in the 7k+ area and no shift occure ((( i was trying to raise upshift pressure, and lower rpm shift point... but nothing help... Any advise please? if the problem in Tranny itself may be? or its all about Trans calibration and i need to tune some more numbers in there?
    Last edited by Stez; 06-26-2019 at 11:24 AM.

  2. #2
    Tuner
    Join Date
    Jun 2018
    Location
    Albuquerque New Mexico
    Posts
    84
    Quote Originally Posted by Stez View Post
    Please help, we installed Supercharger kit on Mustang 3.7L 2012" , calibrated engine data - it works good on one gear , + 100hp added.
    When cruising on the street everything wokr good untill Full Throttle, when we hit full throttle - it can not change gear , the car run fine till 7000 , after that it trying to make shift but engine just hanging in the 7k+ area and no shift occure ((( i was trying to raise upshift pressure, and lower rpm shift point... but nothing help... Any advise please? if the problem in Tranny itself may be? or its all about Trans calibration and i need to tune some more numbers in there?
    Post your tune so we can look at it and see what's wrong.

  3. #3
    Advanced Tuner
    Join Date
    Apr 2018
    Posts
    358
    Post a tune and a log of it happening including all of the appropriate transmission channels.
    Knock Retard is like a Horsepower Tax:
    ( + ) Knock Retard = More Taxes = Less Horsepower
    ( -- ) Knock Retard = Less Taxes = More Horsepower
    You like less taxes, right?

    2014 Mustang GT Premium. 4C & Borla Exhaust
    "Don't fix it if it ain't broken"