Figure it is cheap now grab it and I actually know how to use it, have to learn the dizzy tester though, basically it is a tool to spin it like it is in the engine and you can se exactly what it advances to. From what I read you take a Mopar ign modual and mod it to do all the hei distributors, seems easy.
I hear that. Closest I ever got to a set of points was watching my pop's climb down in a bilge of a boat with a folded dollar bill and a matchbook on twin chrysler crusaders.