I know this is a really old post but gettin the truck close to buttoned up anyways went with the 90 350 motor, bored 40 over, lunati barebones cam, vortec heads, edelbrock carbed intake with tbi adapter, and 700r4 trans im wondering what computer to buy 16197427 or 1227747 ? or some other ? and will it run without being programmed or will it have to be programmed first ? thanks !!