Back to the drawing board... stock low dollar 360

That MSD that I have makes the low idle timing Bounce Around. I was just wondering because I think that's because of the double spark thing that it does under three grand. It straightens out though for all in timing above 3 Grand and that's usually what I said anyways and let it drop down to wherever it goes. And I'm not saying that's the right way that's just the way I do it.
Likely the multispark playing games with the inductive signal.