if you got fire, poping or spitting out of anything then you either got the valves opening or the dist. firing at the wromg time. assuming your cam is timed right, your valves adj. properly then the only thing left is the fire. it has to be out of timing or the wires crossed, and iff you can move the dist and move the miss fire then ib say you have it in time, so that leaves the crossed wires. 15426378 rotor ccw, 1234 right side 5678 left side.