Really, TDE1 by itself (factory flash) isn't much better than NAW4 as far as actual shift points go. However, the glow plug control and torque converter lockup strategies are much better. You probably notice that your TC unlocks as soon as you lift your right foot.....TDE1 will not unlock until you tap the brake. Unfortunately, that's as good as it gets with the OBS PCMs.
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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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