i'm putting tpi on my pretty much stock truck(84 engine). except i dont have a distributor. the wiring i have right now is set up for 85 tpi dizzy with the coil in the cap. would it be best to go to the junkyard, get a tbi dizzy(4 pin 6 pin ...?) and just connect the harness(connectors are different but nothing i cant find at the store)...or should i just get the external coil dizzy and just redo the wiring from my harness(i head it gives better throtle response).. also does anyone know what i need for the mechanical vss.