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what is the differnece between these? They all seem to do the same thing, so does anyone render the others obsolete or can they be used in conjunction with each other?
and when you change the computer setting does it create any extra wear and tear on the engine or tranny?
Everybody has their preference, but I would suggest spending some time on the 7.3 forums before spending any money. You brought up an interesting question about the tranny wear / tear with a programmer...this is where you really want to do your homework.
Personally, for me it's always been the tunes from Innovative Diesel that I've used on my 6.0 because of the engine tuning and tranny changes to keep everything within the safe zone. But I'll say this, I have 2 7.3 friends, an '00 X and '02 X...both are on their 2nd transmissions (less than 120k miles) because they played around with some junk programmers over the years.
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