wondering if you guys can help me figure which MSD system is right for my street rod
-ZZ383/425 Hp (so they say) GM Performance crate motor
-1987 TPI c/w big injectors
-700r4 trans c/w Z pac + stronger 3rd and 4th
-not sure about torgue convertor ????
-31.5 x 18 tires 15" wheels 14" fronts
-9" rear c/w probably 4:56 ratio "fairground cruising + freeway"

don`t know what else to add thanks in advance