obd1 block and obd2 head

hey guys ive been going through pages and pages but nothing , andi was wondering if i could use a b16a3 head on my b16a2 block. being the a3 head is obd2 and the a2 block will be obd1. i will be using the obd1 ecu btw.
thank you all in advance.
thank you all in advance.