all you early birds out there i need help deciding what chip to buy,have an early 99 4x4 f350 with auto trans with tugger shift kit ,4" strait pipe & diy intake set up,my question is who has the best tunes for an early 99 with the stock ecm? looking for a multi position chip with up to 100-120hp tunes,let me know who has the best tunes & what levels are better than others from your experience