When my fan run all the time it run about 150 to 185 deg depending on ambient temp and humidity. With the fan cycling it will run 170 to 195 deg depending on temp and humidity. These temps are from running it long and hard temps are anywhere from 85 t0 100 deg. I also foung better performance and efficiency when the fan cycles rather then on all the time. These engines run best at 170 to 190 deg.
TOM
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