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Thread: 10r80 Short Shifting 6-7

  1. #21
    Tuner in Training
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    Looks like this is a common issue, the big dogs are avoiding it with tire size and gear ratio. I emailed support last month, they haven't updated me yet. Hopefully they can find the issue.

  2. #22
    Advanced Tuner Justinjor's Avatar
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    hmm
    2014 Mustang GT
    |Hellion TT|Powerglide|Ignite114|
    6.87@200mph

    Sold! 2008 LS3 Z51 MZ6
    |Halltech|OBX|BER|EPS|NX|MANTIC|
    472whp/445wtq motor
    ???whp/???wtq nitrous
    Current PR(motor): 10.67@129.2 on a 1.48 60'
    Current PR(nitrous) 10.02@139.7 on a 1.57 60'

  3. #23
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    Looks like Lund and only Lund is able to find a way around it without changing gear ratio....I hope support can get this figured out so the rest of us can be competitive.

  4. #24
    Advanced Tuner Justinjor's Avatar
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    Quote Originally Posted by NA_F150 View Post
    Looks like Lund and only Lund is able to find a way around it without changing gear ratio....I hope support can get this figured out so the rest of us can be competitive.
    almost done with the 2020 mustang gt shop twin turbo build. Will be swapping in a 2021 strategy for some R&D. We will see how it goes
    2014 Mustang GT
    |Hellion TT|Powerglide|Ignite114|
    6.87@200mph

    Sold! 2008 LS3 Z51 MZ6
    |Halltech|OBX|BER|EPS|NX|MANTIC|
    472whp/445wtq motor
    ???whp/???wtq nitrous
    Current PR(motor): 10.67@129.2 on a 1.48 60'
    Current PR(nitrous) 10.02@139.7 on a 1.57 60'

  5. #25
    Potential Tuner
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    Jan 2014
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    Quote Originally Posted by NA_F150 View Post
    Looks like this is a common issue, the big dogs are avoiding it with tire size and gear ratio. I emailed support last month, they haven't updated me yet. Hopefully they can find the issue.
    Any updates on this?
    2016 GT f1A, E85 RIP!
    2017 GT TWIN 6466
    2020 F150 RCSB Whipple Gen 5, Fore triple, on corn

  6. #26
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    Nothing at all... Lund Racing looks to be the only guys that have it figured out, to my knowledge they use their own software. With the NGauge gone and them moving to the HPTuners RTD, I would assume HPTuners would have whatever table the rest of us don't have, available. Send them a support ticket so they know more of us need and want this table available.

  7. #27
    Potential Tuner
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    Jan 2014
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    Thanks for the update.
    Not what i wanted to hear. I will send a support ticket.
    2016 GT f1A, E85 RIP!
    2017 GT TWIN 6466
    2020 F150 RCSB Whipple Gen 5, Fore triple, on corn

  8. #28
    Senior Tuner
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    Try setting drive shaft protection from default to calibration. 110MPH limit is usually drive shaft or stock tire speed rating, be careful with this limit.

    Then it looks like you adjusted gear ratio and tire circumference. Did you make these match what's on the truck or were you adjusting them to see if they made a difference? They only effect MPH reading. Shift points/ limits are OSS based.
    Last edited by murfie; 04-08-2021 at 01:56 AM.
    "We can never be right, we can only be sure that we are wrong"- feynman

  9. #29
    Senior Tuner veeefour's Avatar
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    Not an issue anymore...no cheats or tricks like changing ratios...

    https://www.facebook.com/veee.perfor...43334489129444