The only things you'll notice while towing in higher HP or DD tunes are an increase in EGT while accelerating at a decent pace (NOT trying to keep EGT low) and early shift points. Otherwise, nothing else is too different.
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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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