Clear as mud

I have a Dual (4 pin) PN 2444641 ballast resistor , Orange ECU, Blaster coil PN4876732 MP 3690430 Vac. Adv. distributor and want to run the MP 5249776 Mech.Adv. distributor. Do i need to change the Resistor? And if so how do i convert the 4 pin to a 2 pin?