Originally Posted by cobalt327
So for now, I will suggest you try ported just to see if the problem is the vacuum advance dropping out. If it IS, the fix can be addressed. If it isn't, you have at least eliminated one thing from the possibilities, and you can look into other things, like the accelerator pump shooter or other carb problems, etc.
So by switching to the ported vacuum I will be ruling out or confirming that the problem is either fuel or ignition related right?