302 Operating Temperature
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Posting Guru
Joined: Jun 1999
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From: Comox Valley, Canada
302 Operating Temperature
Quick question for the gurus about 302 operating temperature.
I just finished the rebuild/reinstall on the 302 in my 53 F100, it is a 68 block with 70 heads .030 flat top pistons, stock cam and lifters, I have installed 3.8 Taurus electric fan and I am using a 195 thermostat....question is what temp do I want the fan switch to close at???? I am thinking on at 230 or so and off at 220. But that is just a guess........... anyone know the correct numbers??
Thanks.
I just finished the rebuild/reinstall on the 302 in my 53 F100, it is a 68 block with 70 heads .030 flat top pistons, stock cam and lifters, I have installed 3.8 Taurus electric fan and I am using a 195 thermostat....question is what temp do I want the fan switch to close at???? I am thinking on at 230 or so and off at 220. But that is just a guess........... anyone know the correct numbers??
Thanks.
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Posting Guru
Joined: Jun 1999
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From: Comox Valley, Canada
Thanks guys..... I was a little off I guess 
Anyone know of a switch that uses these temps? I have a couple left from my "Fiero days" but they are higher settings than the 180-210 range.
I saw a fancy controller setup with a switch stuck in the rad fins....... but I kind of like the OEM style with a switch in the intake in the coolant flow.
Anyone know of a switch that uses these temps? I have a couple left from my "Fiero days" but they are higher settings than the 180-210 range.
I saw a fancy controller setup with a switch stuck in the rad fins....... but I kind of like the OEM style with a switch in the intake in the coolant flow.
Hotshot
Joined: May 2003
Posts: 11,141
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From: south louisiana
I got the switch for mine thru Summit Racing, it's a Painless Wiring kit. Sensor is in the coolant on the intake. Works far better than the type I had before that had a sensor in the radiator fins.
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Posting Guru
Joined: Jun 1999
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From: Comox Valley, Canada
Thanks guys. I do not need the wiring kit I built my own, just need the right temp sensor..... I think I remember one that runs 200-220 on an online Fiero site guess I will order it.
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