Thread: Electric fans
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Old 07-07-2019, 09:36 AM
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Dwight Dwight is offline
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Join Date: May 2001
Location: Florence, AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
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I know Hauss asked about the life of a fan and I agreed with xb-60
but I have a few thoughts on cooling our hot rods .
Twenty years ago I used temp controllers with probes in the radiator fins. Now I used temp sensor 200 degrees on and 185 off.
I don't have to remember to turn it on or off. They sell them in variety of temperatures. Cost $10 each.

On the last three I have install an over ride switch in the circuit with a LED light to let me know when the fan is on. Works great and I don't have to worry.

I like for my small block to run 195 and big block Ford to run at least 185 degrees. I have a 390 in a '66 Fairlane with no cooling problems in our 95 - 100 degree weather.

The ability of your cool system (radiator & water pump) to drop the engine temperature quickly will determine what temperature you would want the motor to run. And of course how you drive. Light to light in heavy traffic I would want to keep the temperature under 200 all the time.
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