Originally Posted by
elementaltoad
For anyone who may wind up here on a search, HPT cannot edit certain parameters and there are a number of different strategies that were used for 7.3 vehicles. In addition to that, Ford used adaptive learning, this makes shift schedule adjustments useless and results in confused shifting sometimes back and forth between OD TCC apply and 3rd gear for instance.
You will be better served by moving to a PHP Hydra and Minotaur, with FORscan for diagnostics and data logging, if you want to custom tune your own vehicle, as I have.
HPT may be great for newer vehicles, I use it almost exclusively for my GM vehicles...but the support for the 7.3 in it's current state will only make your vehicle drive worse.