what's the compression on the 360? what "aftermarket intake"? i'm guessing LA 360 and not magnum, because that would be a whole 'nother ball of wax.
compression is going to be the name of the game here. if you stab that cam into a mid 70's 2bbl 360 with 8.5:1 compression it's gonna run like a wet fart sounds.
RF is on the money with those numbers being about as big as you wanna go before serious considerations of stall and gear come into play. the intake is less of a concern, but topping that combo off with some tarantula lookin' single plane and giant double pumper would lead to less than ideal satisfaction in the performance department.