Engine stuff....
Very little.
You're right about transmission shifting and torque converter clutch strategies.
There are those that really suck and make no sense, there are others that work OK but you can't fix them to be perfect, and then there are the ones that really work well.
The list of automatic PCMs I have driven:
MRT2 (super suck)
NVK2 (sucks)
NVK4 (not bad)
MNM0 (NVK2 wanna-be)
MNM1 (not bad)
PMT1 (awesome)
PMT2 (not bad)
PMT3 (not bad either but didn't notice a difference from PMT2)
VDH2 (suck)
VDH5 (super suck)
TDE0 (ok)
TDE1 (better)
NAW4 (absolute crap)
LKM6 (TDE1 wanna be)
YBT1 (garbage)
XLE4 (sucks)
XLE8 (not as bad as 4 but still sucks)
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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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