my u can do is the old 60 one , blue white fuse,anyways i put the perry pump on it and im just thinkin the carb would help midrange alittle loads up a little,,i using simtar 16x6 plus i thought it would be cool,, 1.20 ax with out taken off the carb to find out barrel size,, what perry carb 5401 im thinkin the plane flys awsome,,, im getten the sf putting the 75ax on it plus pump too .. plus thank you fro your reply,,