Here are a few things to look into. I don't know where you're from, but as far as federal emissions trucks go, if your truck is an automatic (and has a DPC-202 PCM), have Bill get you the TDE1 file. DO NOT WASTE YOUR MONEY on the actual code for your truck. You'll end up with the same dismal transmission operation that you have now. Certain companies will ask you for your actual PCM code and you will regret it. Others automatically give you the better stuff based soley off of the year, CA or federal emissions, and transmission type.
Now that I'm done ranting there, you mentioned a few Super Duty trucks in there as well. Talk to Bill and he'll probably have some great advice on which files to use for those trucks.
Manual-equipped trucks aren't nearly as picky with their PCM code cross-breeding.
As far as definitions go, there are a TON!! However, there are only about 8-10 that are ever needed for the 95-03 7.3s. Usually people doing the tuning have a favorite base file for each manual/automatic for 95-97, Early 99, 99.5-01, and 02-03.....unless there are some Califor nazi uh specific calibrations you need.
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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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