[KobraKarl]

hi guys... i know a few of you are running 2x4's out there. i am running a 1966 stock set up (out of a thunder bolt i think)fomoco mid rise, they ,or one of them is running so rich im fouling out with fuel , the heads and valves are stock and i have been told any thing resembling a lean mix may burn the valves whats the drill?? any help is sure welcomed .thanks Karl