The "Fuel Sipper" calibration is no longer available due to shift point concerns with the automatic trucks.
The 80P or 65DD programs will give you the best mileage with your manual transmission-equipped truck.
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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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