Classic/Antique Car Repair: mustang running hot and heater does not work, fan shroud, fan clutch

Question
QUESTION: I have a 1966 200cid automatic mustang that seems to run around 190-215. I replaced the thermostat with a 160 degree one and changed the radiator to an aluminum v8 type but still have the original fan, running 60/40 water to antifreeze, and added a bottle of water wetter moving it's fine at a light it starts to climb in temperature. I do live in Arizona but what else can I try to get the temp. down? Also the heater does not blow hot air the fan goes great but no heat?

ANSWER: I have a couple of questions. Do you have a fan schroud on the radiator? Is the fan a direct drive or a fan clutch?
Let me know and we will go from there.
Brad

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QUESTION: The 200cid does not have a fan shroud and the fan is a direct drive.

Answer
It sounds like two problems. The heater could be a plugged core. The fix is to replace the core. If the engine only gets hot when idling, I would first check the fan and make sure that it is installed correctly so that it draws air in from the front and blows it out over the engine. I have seen more than one fan installed backwards. Let me know.