5r110

[Jpott62]

Wondering if anyone knows how I can build a file for my 5r110 6.0 power stroke that will limit it to 1st thru 4th gear with converter lock up in 4th under full pedal. I?m trying to do this for sled pulling to stop it from up shifting into 5th near the end of a pull and killing my momentum. Thank you everyone

[1SLO6FO]

Change your 4-5 shift to something like 120mph across the board. That prevents it from shifting to 5th. If you still street drive, change that under Tow/Haul so only that side prevents going into 5th. Set TC lock in 4th at something like 30mph in the upper torque range. Make sure in your Hot Lock tables you have WOT set to a higher value to prevent it from locking in 2nd and 3rd if you don't want that. However, for sled pulling just wire in a lockup switch that way you can unlock the converter at the end of the pull and raise all the TCC lockup tables so the TCM won't try and lock the converter at all in Tow/Haul.