Don’t sound like a float or accelerator pump issue to me. If all you are doing is putting it into gear and it dies then it is something else. What happens when you give it a little gas and put it into gear?
Was going to attach photos, but they are to big. anyway isnt there suppose to to be a vac line on the dash pot? also i have a vac line that was not hooked back up on the right side in the back. The only vac line is to the vac advance… …Anyone?j