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Thread: what in tune prevents stock tune from shifting into OD at WOT?

  1. #1
    Tuner
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    what in tune prevents stock tune from shifting into OD at WOT?

    Just as the subject states. I have a built tranny so I want to make sure it will shift into 4th at WOT. What in the tune prevents this so that I can change it? Thanks

  2. #2
    Супер Модератор EC_Tune's Avatar
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    MPH settings generally. If you look at the 3-4 upshift MPH you will probably find it set really high at WOT TPS settings.
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  3. #3
    Tuner
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    in my stock tunes I have, all the 3>4 shift mph's are set at 125. I guess thats pretty high but for sure doable even in a stock car. I guess I thought there was an actual setting that just completely disables the ability to go WOT in 4th gear.

  4. #4
    Advanced Tuner
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    You have to check the part throttle speed map and make sure it matches the WOT speed map. Make sure the 100% cells in the part throttle map match the speeds in the WOT speed map.

  5. #5
    Senior Tuner
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    I have seen some vehicles where the 3-4 MPH is set
    crazy high, at higher TPS - like they want to make a
    lift-to-shift deal out of it.

  6. #6
    Advanced Tuner
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    You are correct, it is also a form of function for the speed limiter as well.