I Have A 89 Civic Sadan It Came With A 90-93 Acura Integra Ls B18b Maual Non V-tech Motor , It Was Converted To Obd 1. My Question Is That I Want To Run A B16a Or B16b V-tech Heads . They Told Me I Have To Change My Ecu To Run The V-tech Which Ecu Xxx???xxx Do I Need,