there two ways to go so what do you want ? i realy can not help you much there only so much your going to do with what you have cam change may help but not alot more of a tuning thing with the TBI . i build engine s not tune in the old TBIs so you need to find some one that can help you tune it in . intake with the carb would be a dual plane performer .carb call jet or edlelbrock tell them what you have were you live and maybe they can get you close on a Qjet