This may help syou a little. It is a 1946 Carter set-up.
You could contact this fellow and see if he can help with the set-up & brackets. Larry Isgro Carburetors Inc 1604 Argyle Rd, Wantagh, NY 11793 (516) 783-1041
Larry Isgro is a good and reliable carburetor re-builder. He is also a very friendly and helpful fellow to talk with (if he has time to talk).