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What degree thermostat to use?

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Old Mar 29, 2010
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ford rules's Avatar
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What degree thermostat to use?
Hey guys i just got done putting a 31"x19" Griffin aluminum radiator and dual E-fans in my ranger it has a 1996 ford explorer 5.0L i have a 160* T-stat in it now what do you guys recomend?
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Old Mar 29, 2010
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160 sounds pretty cold to me, especially for you living somewhere that snows
 
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Old Mar 29, 2010
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Maybe ill switch to a 180* then.
 
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Old Mar 29, 2010
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I had a 93 5.0L in my 88 Ranger and I ran a 190 degree.
The engine ran in the 200 to 205 “gauge" range most of the time and the engine never over heated.

Too cold and the engine will not run at full efficiency.
 
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Old Mar 29, 2010
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ya i think i will try a 180* then i dont want the motor to run much over 200
 
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Old Mar 29, 2010
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Don’t forget that the 5.0L is designed to run hotter than the older 302s, that is part of the emission system and fuel consumption may suffer if running cooler.
 
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Old Mar 29, 2010
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160 is too cold. I always run a 180 in my 5.0L Mustang.
 
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Old Mar 29, 2010
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and on very hot days is still makes its way to 200 in heavy traffic.
 
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Old Mar 30, 2010
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180 for sure. 160 is too cold. Some of the sensors are designed to only work at 178* and up if I remember correctly.
 
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