New MOPAR fan with a '74 Duster

Joe, welcome aboard. Is that a MoPar create motor?
Do you know much about carbs? It probably needs a tuning. Also find out about the distributors timing. These two items are a lot in perfoance and how well it runs at idle. Correct me if I'm wrong but that is a Carter/Edelbrock carb you have there?
What size is it. If you don't know, read the numbers stamped on the carbs base up front near the attaching studs and nut.