i currentley rebuilt a small block 350 it is all stock exsept for the intake but it just replaces stock my question is i have timed the engine over and over again and it will not run or it will run but with no power at all and now it just back fires thru the carb and will not fire but it is in time ive try readjusting the valves and i know they are currect but i have no clue why it wont run and also i have gas in my oil and im going crazy any help would be awsome and mabye it is my timine gear and chain i dont know