I haven't gotten mine installed yet (lack of carb), but that carb sounds WAY too big for a 2F. From what I've heard, the best thing to put on there is an Edelbrock 500CFM, either a 1404 or a 1403.
Also, is your intake a dual port or C series? If C, I've heard you have to install the carb sideways. Not sure on that, though.
Oh, and I actually have 2 offy's...One for an F, one for a 2F (got the F by accident). Then ONLY difference between the two is the heat riser bolt pattern. Would still work fine on a 2F, if you either don't use the heat riser or used a header. But it wouldn't have any effect on the carb hitting the booster.