I was having the same problem with my 235 in my truck that I’m trying to bring back to life. I adjusted the screw on the engine side of the carb until it sped up a little. Then I’d push the choke in until it struggled a little and repeated that process until it idled with the choke all the way in.

Doug

1954 Chevy 3100
One problem solved doesn’t seem to shorten the list
Montgomery, AL
In Project Journals