i just got my hands on a pr4 and im tring to figuer out if it a obd0 or obd1 because im tring to learn how to re-chip it to a vtec ecu. please help. the ecu number is
37820-PR4-A10
430-211854

the card number is
U1Y-E 02D01620-1500-1

 

Cant tell off the code, that could be OBD0 I or II

http://www.hondata.com/techecuid.html

 

i have a 1990 and its pr4, which is obd0

 

THANKS BRO ITS A OBD0. DO YOU KNOW IF IT CAN BE CONVERTED TO VTEC?