i have a 1990 si hatch with a 0bd0 b18a1 ls swap, m gettin ready to do a h2b swap with an obd1 h22. i need some answers on what to do about wireing becuz my friends keep giving me mixed answers, one is tellin me to use my stock wire harness n run a wire for vtec an use a p72 ecu, another is tellin me to get a wire harness and ecu from a preude. please help