Why are we "guessing" at what works? Put your combo on a distributer machine and know how much advance you have. Also it will show you the rate of advance at any RPM. Use the machine and know what you got and tailor the advance to meet your needs.
Why does he need an antiquated distributor machine that's hard to find? He has an engine he can use as the distributor machine. Nobody's guessing. We're giving him good, solid guidelines to use as a starting point. He can do the same thing with the engine as he can a distributor machine that most likely no one he knows has.
