Fan clutch replacement guidance and recommendations

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The clutch is worn out. The other thing I would replace is the thermostat. Use a high flow stat.
 
get yourself an infrared heat sensing gun (I got a cheap one at Harbor Freight that works just fine). You can check the temp at the thermostat housing by the temp gauge sensor at start up through fully warmed up and you can figure out actual temps at various gauge readings. It might be that you just need to recalibrate your perception of what the gauge readings really mean. Then you can search around with the gun for sources of heat in the engine compartment
 
Hayden #2947 replacement clutch, that's what I have on my all stock '72. Also helps to make sure that your radiator and or A/C condenser isn't full of bugs etc. Besides all of the things mentioned here.
 
I replaced the fan clutch today. It seems to have taken care of the heating issue!

Thanks everyone for your input and thanks @str12-340 for the reference temps for comparison.
Screenshot 2024-06-29 at 9.26.27 PM.png
 
Make sure you have all the hood gaskets and underhood seals present and in good condition. That cured a similar problem. KISS.
 
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