FWIW, 360 heads are a dime a dozen, at least in my world anyway... Do you currently have the heads off of the engine? If so, does it have the 7 cc open dish piston or a four valve relief? How deep in the hole are your pistons from zero deck? Attainable compression is going to be the deciding factor. Early closed chamber or high swirl 318 heads would be good on a 360 for compression, but wouldn’t flow enough to support a 360 past 4500 rpm on a good day...