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Gene1949 · 08-07-2017, 08:46 AM

Ahh, the chicken or the egg. It was explained to me that the thermostat controls engine temp so logically the sensor would want to know the water temp at its coolest that would be at the bottom tank. No point in running the fan if the radiator is rejecting the heat load on its own.

On my 49 I have a Taurus 2speed fan (shroud was made for an 8BA radiator) controlled by a Wreaking yard Volvo fan controller and 2 sensors in the bottom of the tank (185 on and 195 on).
Since the Taurus needs about 50 amps I put a later 160 amp Ford alternator in place of the genny. All this was prep work for the AC.

08-07-2017, 08:46 AM	#7
Gene1949 Senior Member Join Date: Jun 2016 Location: Pahrump, NV Posts: 374	Re: Electric fan thermostat install Ahh, the chicken or the egg. It was explained to me that the thermostat controls engine temp so logically the sensor would want to know the water temp at its coolest that would be at the bottom tank. No point in running the fan if the radiator is rejecting the heat load on its own. On my 49 I have a Taurus 2speed fan (shroud was made for an 8BA radiator) controlled by a Wreaking yard Volvo fan controller and 2 sensors in the bottom of the tank (185 on and 195 on). Since the Taurus needs about 50 amps I put a later 160 amp Ford alternator in place of the genny. All this was prep work for the AC.