low down on cams!!! whats the REAL story!!

ok...i have an f-303 cam......i was just on yearone.com and they are telling me all FMS cams are emissions leagal except for the F cam...WTF?

will the f-303 pas the sniffer or not??? i have heard yes and ive heard no....there are other cams out there with similar specs that pass...and f it can pass what sort of tricks do i need to do...timing? fuel?


i just want the real no **** story on cams being leagal...