True but more power with 185's.Friend has stock block and cam but has S-trim with (afr165's edlebrock intake and 1.7 rr) made 465 rwhp.I had a friend of mine 331 afr(165) fti cam and edlebrock intake dynoed it.Then he sold his AFR(165) and bought AFR(185) made 40 more horses on the dynoed.