OP asked about 360 heads, no one here is trying to force the dude to use them most said could work depending on goals. Your the one going around saying everyone is wrong without knowing the OP goals either, since he's interested in 360 heads my guess his goals is more than what 318 heads can provide but that's still a guess on what the OP wants, so who knows.
Can 360 heads be an usable upgrade even on a mild 318 in the streets, answer is yes, does the OP need to do the swap, answer is it depends.
Obviously it's was towards you, the dude who learned what he's saying basically yesterday now telling the one's that spent 3+ years spoon feeding you on how to do a basic 318 build now trying tell them the way it is. Apparently you surpassed us all on your little break.