Thermostat, chasing cooling issues in my 2004 4.6 liter Ford V8

Just
RustyRatRod said
Are you saying you put a new thermostat in and it still over heats sitting with the AC on? Does it have an auxiliary AC fan perhaps that's not operating?
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just put the thermostat on just now (when I posted)-previously though, in the winter, the car would not warm up at all.