We're still dealing with this on some vehicles from time to time. We've since change some of the shifting and converter strategies to help eliminate this phenomenon and it seem to work pretty well for most folks. Some other still need a bit of tweaking, or their issues wasn't shift related but otherwise related to another tuning issue. In short, the custom tunes should resolve it.
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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