It's obvious that I need to mess with the carb; I had a stumble that has not been there before.
It it was a good carb before, consider looking for a vacuum leak.
Will do. I should have my new plug wires, plugs and coil tomorrow. I plan on switching all of that out first and then it's onto setting the idle adjustment screws with a vacuum gauge so; I should notice any oddities with the vacuum at that time.