It did, and a new radiator may be in my future. I will flush it out, and see what happens...It went over 210F with no thermostat??? I think you need to plan on getting a new radiator.
I'm not getting the missing part. Just running hot shouldn't cause the engine to miss.
I'm not getting the miss either. It's almost like it's a fuel starvation issue, but I don't know how that can be caused by running hot.