Need help.....carb problem on 22 hp V twin Briggs

fuel pump is pushing gas all the way to the carburetor inlet but engine will not start.....fuel pump just replaced and pumping .if I slowly pour gas slowly into carb it will start and run as long as gas is poured in it and when I stop the engine will run for a second then die......what can I do to carb to help this....come on guys need some masterminds advise....thanks