Briggs 3.5 hp

#1
I wanted to know if its possible to use a vacu jet carb on the 3.5 hp instead of the pulsajet? Im trying to get the engine to run without bogging down but cant seem to get it to smooth out. I have cleaned it multiple times and replaced the diaphragm with no luck. I have another 2hp running a vacu jet and it runs smooth. Any help would be greatly appreciated.
 
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