I am trying to find the best combinations to accomidate the Holley Systemax II engine package I purchased for my 91 GT. Right now I already have (to go with it) 70mm Throttle Body/EGR, 155lph fuel pump, 24# Injectors, 70mm Mass Air, 1 5/8"Long Tube Headers/H-Pipe/Flowmaster, underdrive pulleys...