Bill,
My best advice is to try starting it with different procedures and see what works best. When I had a Rochester carb on my 235, all I did when the engine was cold was to pull the choke out most of the way and it fired right up without any pumping on the gas pedal. As soon as it started I would ease the choke most of the way in and drive off; opening the choke completely in the first mile. My Carter takes a little different procedure.
Lee.