ok so i have a 90 crx hf, i had a z6 swap in it so i did the convertion harness and wired it for obd1, im now buying a obd2 ls for dirt cheap to rock while im building my obd1 lsvtec, my question is to convert my obd2 ls to obd1 id just need a obd1 dizzy and to use my exsisting wiring, also a p75, am i missing anything? thanks