After talking to Bill (who is sitting right in front of me), you ARE NOT in the stock program but you DO have to have the dealer reflash to a new stock program. You are currently in the 87 Performance program and you WILL lose the tune with a reflash. However, it has to be done to give Bill a new base file to build off of.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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