avs air fuel adjustment screw

would this being out of adjustment be causing the car to chug and sometimes die when taking off. Even coming off the freeway and letting it coast when it gets down around 1000rpms it will chug. Im not sure if its the screw or my choke.

Maybe, but it would have to be way out of adjustment. Usually, only idle quality is effected. Do you know how to adjust the choke? When it's cold first thing in the morning, the choke should be adjust so that it is BARELY and I mean BARELY shut all the way. If it's closed AT ALL when up to operating temp, it's too tight. Oh, and that carb might be old....but keep it. As long as the throttle shafts aren't worn, it's better than anything off the shelf from Crappelbrock.