Stall and Shift RPM Question.

You will like the AFR meter, great tool to get the carb right.
If you have an old OEM electronic dizzy just weld up the slots a little to limit total mechanical advance. File the slot to dial it in. Swap out the heavy spring for a lighter one and you should be able to recurve what you have on the cheap.
Once you limit total mechanical you can bump up the initial.