It ain't cheap. I'm sitting on a machine I can't ge sorted out. It may end up as target practice.
Also, you need to be able to test compete ignition systems, not just the distributor. All of the boxes retard timing with RPM and you need to accounts for it.
Mark is a great guy at Paramount deal with him quite often. Like mentioned it is not cheap but he has everything including the silk screens to make them as good as new.