Bought a Mopar found some odd issues.

In addition to a new cap, rotor, coil, plugs and all the above info. I am still stumped. but have more info.

I bought new ballast resistor, new 8.5mm wires, new holly fuel pump placed in rear of car near tank.

But what I have found is that with the vacuum advance line un hooked the car runs much better. There is no popping or sputtering. with it on when you advance or retard the distributor the popping and sputtering changes changes to a higher or lower rpm.

New distributor? Thats about the only part of the car I have not changed out.

Thanks for all the help.