At that weight...keep stuffing your face man. I was 200 pounds when I was 14. Didnt diet till I was 390 at 23. The immense amount of muscle I gained and the strength I gained was well worth the...uhhh, effort?
Of course keep lifting like a mad man and try juice atleast once in your life. Hell, try EVERYTHING, that wont straight out kill ya (except gay sex with another dude...trust me, dont) atleast once.
Just my two sense.