hey guys few months ago i baught a 240z for my brother it has an L28 engine its slightly modified SU carbs, not sure what cam but not stock and high comp pistons, we dynoed the z it made 150 RWHP anyways he called me last night and said he knows a guy who can make his car get up to 220 RWHP by putting in a cam and changing the head, i know this can never happen but if anyone can prove me wrong please tell me and just for your info this guy know nothing about Z cars all he knows about is mustangs with 4.6