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Thread: 2019 mustang Gt flex fuel tuning and rev match question

  1. #1
    Advanced Tuner
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    Dec 2017
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    2019 mustang Gt flex fuel tuning and rev match question

    Has anyone had success making a flex tune for these from scratch or is it easier to just copy over the flex tables from a 18 and up f150? Also where is the tab to disable rev match down shift for the mt82? Unless I overlooked it I have not found that

  2. #2
    I did mine from scratch. I'll post a screen shot here soon of the rev match scalar.

  3. #3
    Advanced Tuner
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    Thank you ! Any help you have on this would be great.

  4. #4

  5. #5
    This is the finished tune for that car.

    Chandler Flex Final.hpt

  6. #6
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    Oh ok thank you , I had seen that I was expecting it to say rev match I guess, tune work good?

  7. #7
    This tune is the final tune for this car. Rev match works well with no issues with surging on the rev match. Fuel trims are +/- 5% everywhere. Usually 29-30 degrees of timing on e85. 28 base and allowed to add 4 degrees up top. Pulls very hard, just put 4 cars on a 6th gen camaro 40-120 shifting super slow.

  8. #8
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    Nice!

  9. #9
    Potential Tuner
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    Hi there. When the car is running pump gas or ethanol the trims are 4-5% how about the long term fuel trims? Still trying to fully understand the flex fuel logic of this inferred afr thing.

  10. #10
    can anyone please share VCM scanner channel config file for 2018+ mustang gt auto? That way we make sure logging and talking about the same params
    2018 mustang gt a10 with headers and e85