Well, it looks like there certainly is an alignment problem in the fuel
inlet spigot. I put a short piece of fuel line on the carb and blew into
it with the barrel wide open. Even at 3 full turns out on the high speed
screw....it seemed like it was restricted, and hard to blow air through.

This picture wasn't easy to get, but you can see the partial restriction.
It's not really as bad as it looks, due to the angle I had to use to get
light into that small hole....the restriction is more like 40% (eyeball)
it looks more like 50% in this pic.

Dave.