Close enough, Jack.
But the 7.3L doesn't use a Mass Air Flow Sensor.
For all intents and purposes, an 80HP tune is going to add a lot of fuel above stock and there is simply not enough air density to support that much fuel while towing.
I would suggest a lower HP towing tune.
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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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