I wish I had a better handle on this. I will put myself forward as the village idiot and just ask the question which will seal the deal for anyone who was on the fence about Deve.
So you are going from HEI to HEI and you are wondering if you need a ballast resistor? Pertronix and the old distributor is that Chingadera Dads was talking about that I am thinking about upgrading to, to make my system HEI??? Someone try to help me connect the dots. I already know its ME.