Edmunds Answers



  • karjunkie 12/05/09 1:11 pm PST

    First try resetting the shift points to the factory specs by disconnecting the battery for 5 minutes. Then drive the truck as you normally would for a day or 2 and see if that is how you like it. If not, shift-point recalibrators are available for many popular computer-controlled transmissions like yours. Units are available that alter shift points either through vacuum-controlled modulator circuits or electrically. B&M makes one that is popular called ShiftPlus that works with the 4L60E tranny.


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