mopar performance ignition miss

1. Like Yellow Rose wrote above, get the black off the plugs.
Heavily carboned plugs make it more difficult to spark.
Start with clean plugs.
2. A carb is not rich or lean. Begin with the idle circuit. If its fouling at idle, then look at the choke and if not choke, then make adjustments to clean it up. On the other hand if its lean at idle, then look at the choke after making adjusments to hot idle to make stronger. Test by placing in gear if automatic. Only after good idle is established is it useful to look at the 'high speed' circuit, and then pump shot.