Tbi computer questions

[Moofus02]

Trying to figure out what I need to tune these tbi trucks. 95 k2500 5.7 4l80 7727. Looking through the pile of parts I've got a stack of 7747 computers and complete wire harnesses from trucks i parted out. I parted 2 g30 vans with 5.7 4l80 combos. One is a 7060 the other is a 7747. I didn't know the 7747 would control an e auto. That was out of a 92. Looked on gearhead-efi.com and didn't find a vin for that combination but did for the 7060.

 

[Moofus02]

Been racking my brain forgot about a half ton van I parted for the motor that had a 700r4. That's where the 7747 came from. The 7060 and 7727 can I just put a flash chip in them or do I need something special to do that