Here is a thread discussing the offset table:
http://www.fullsizechevy.com/forum/g...ery-volts.html
The best way would be to have your injectors tested, but if that's not possible, then take a guess and hope for the best. You can always experiment with different settings latter. There's noting about this that going to keep you from getting the jeep running.

Ya, your xdf is already set-up, you just need to make the bin changes.