PCV issues?/hesitation

Thanks for this volaredon-- it is helpful.
I spoke in error when i said that it had a 2 barrel carb-- I was working from last years memories (I'm 85 so all memories are suspect!)
It has a single barrel Rochester because single barrel Carters are not available as cores.
I found a small vacuum leak that I will explore tomorrow.
Based on your comments, I need to explore the carb gasket.
I brfught it home from storage today so now I can get started on troubleshooting.
Although still occassionaly below freezing here at night, days are getting warmer!