ok i know alot but not everything... some of you may know about my vtec killing b18a1 monster.. but i recently got ahold of another integra ls head from a 94 integra.. its got the works done full 5 angle valve job full racing port polish job. i am swapping over my crower stage 3 cams and full titanium valvetrain.. i have to buy new .25 oversized intake valves and .25 oversized exhaust valves.. but i was wanting to know what all i need to change my obd code from current obd-0 to run the 94 head??  

here is a link that was a big help to me when i did my swap i hope this helps.
http://www.g2ic.com/forums/showthread.php?t=86612&highlight=obd  

good luck on that