Started 5.2 magnum swap/65 Dodge Dart,/6 4spd convert..but....

what year 5.2 magnum....as you are NOT EFI..what ignition setup are you currently working with..may help folks arrive at a conclusion
1991 5.2 magnum
carb convert 600 holley vac. secondary.
mopar electronic ignition. silver controller.
w/ distributor