New radiator,new water pump,new temp gauge,new temp sending unit,new anti freeze,new thermostat,when driving temp will go to 220 drop back to 200 as thermostat opens and closes.Can shot head with heat gun 180-190.Moisture around injector nozzles not anti freeze. top of radiator never gets hot,this would be the second new radiator.No visible leaks when pressure checking system.No smoke, no water in oil, also new fan clutch.Please any ideas welcome.THANKS!!

 

Not sure what you want? The Thermostat opens at 190, and that's where she is running if I read that correctly. You might change your temp. sender to get it closer to actual.