Reply to "Thermostat at 180F or 160F ?"

jffrMember

@jwelch68 posted:
I'm no expert, but once the thermostat opens the coolant temp will settle to whatever temp the cooling system can maintain.
I'm guessing most Pantera's never drop below 180F once they are heated up so thermostat would really only be in play during warm up.
I'm in Arizona where it can be 100F when you wake up in the morning, so I could be wrong on this one.

Where I live in Arizona, any given morning will be cool enough to have the engine run at 160 degrees with a 160 degree thermostat. That is just too cold, because it causes excessive engine wear. The 180 degree thermostat is optimal, but on a hot Arizona afternoon the engine will operate at whatever the cooling system can handle above 180 degrees. These modern engines in the newer vehicles all seem to operate at above 190 degrees and some as high as 205 degrees.

3/14/255:15 AM

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