hey guys im doing a b16 swap from a 99si into my 96ex so far i got dc 4-1, skunk2 mani, aftrmrkt intke, and skunk2 exhst. i know i need to go obd1 and got the convr. harness. now, which ecu should i go with? p28 or p30? chipped? what program is best? not really planning on going turbo or nos...