Your distributer is set up with some ones solid state electronic set up.(aftermarket)If you go back to a point distributar the setting for points is .015 to .017 and the dwell is 28 to 32 degrees.There is no setting for the solid state except maybe air gap at .008 to .012, if it's is even adjustable.Of its not working toss it an install a Chrysler electronic distributer.You can get rebuilt ones fairly cheap at most auto parts stores.