Interestingly, Australians think that the varieties of American accents are super cool; myself included.
I am no more educated than yourself, and at the end of the day, my education on this subject has come about by spending a lot of time reading books and online content.
It doesn't matter which type of carburettor option is installed (if each variety has an identical venturi size), they will "all" make the same peak horsepower, because they will all flow exactly the same amount of air through the venturi diameter, and with the the air/fuel ratio optimised, they will all make the same peak power.