I would say use 2 carbs that will be easy to find parts for 10 years from now,......... 'course I didn't exactly do that either! I used 3 Dellortos, pics in the gallery!
I've always liked the Carters best, and found fresh rebuild parts easy!
John Kennedy 1950 Suburban street rod Pics in the Gallery....... new site up! http://home.joimail.com/~kennedyjp/