I can tell you that the stock tune is the stock tune and the performance tune is the performance tune. What happened when you disconnected the battery is that all the learned data was wiped out. The PCM needs to go through a relearn procedure in order to get all the base fuel trims and stuff back to normal.
Best suggestion is to drive a day or two with the programmer set back to stock. This will give the PCM a chance to level out. Then program your truck back to your performance tune. This should get you back to where you were.
Take care.
__________________
Bill Cohron - The Mad Doctor  
Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997!
(678) 890-1110
www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar!
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