I have a 91 civic si and am doing a b16 swap the thing is that the motor is obd1 i have a obd0 distribuor and a pr3 ecu. i was wondering do i have to do anything else like i kno that i have to run vtec and knoc and the other ---- but the other probem i came to is that the header is also obd1 meaning has 1 02sensor and im suppose to have 2 wut do i do?