i have a 91 integra which im currentally doing an auto to manual conversion on i also have a b18a1 (which came with the car im wanting to boost and do the lsvtec eventually) and i have a b20b (im wanting to build a b20b vtec to run in the car while i build my turbo motor) and i have a b16a head im wondering if it would be in my best intrest to go obd1 since i have to buy a dizzy and ecu to put the vtec head on anyways if so what all parts am i going to need (to include ecu and dizzy) and what are the benefits to going obd1 thanks