mechanical fan vs electric

[B and C]

I'll stick with the fan clutch. I have never had to replace one and one went over 250K miles.

[mudbunny]

Me too. Never had a fan clutch go bad but I've replaced a couple electric fans.

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[minddroool]

I have been told my fan clutch is going out..... I don't really know.... Flex suggested... Is that what you mean by electric fan? .... Hi

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[sternwake]

https://www.popularmechanics.com/cars/ho...emperature.

The metal fan is attached to the fan clutch, which is bolted to the water pump and the water pump is spun by a belt attached to the crank. it the same belt also likely turns the power steering pump.

A flex fan replaces only this metal fan blade with a flexible fan whose blades straighten out at high rpm move less air, and rob less engine horsepower.

There is little to no benefit of a flex fan on a low rpm non hot rodded engine at low rpm, such as in a class b rv. the 318 or 360 are not really high revving motors anyway.

if one installs an electric fan they remove the metal fan and the fan clutc and original radiator shroud, and a new shroud is attached to the radiator which houses a new fan(s), and it/they is switched on and off by a temperature sensor.

I am the electric fan Nazi, but have not bothered with this potential modification, in fact I just wirewheeled Opshoed and painted my original fan blade. I simply don't believe the massive MPG and horsepower claims one reads about, and have never had issues with the fan clutch.