Went to take the 69 Dart to a car show today. NOPE

Since I switched I haven't had carb problems at all. Before on ethanol gas it would foul up a carb within a few months. I would have to take the 600 Edelbrock off and go thru it to clean it up.

Well maybe that's what did it before you changed. At least it's no mystery. You know what it is.