I have not seen a lower operating steady state temperature based on the daily driving I am doing. Perhaps on the track or freeway where the volume of airflow would make the lower temperature thermostat beneficial. The point I was trying to raise was that perhaps for those of us who do the daily traffic grind a lower temperature fan thermostat would help to achieve an overall lower operating temperature not achieved by simply changing the thermostat. Just throwing it out there for discussion.
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