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Old 12-31-2004, 05:24 PM   #1
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Default Thermostat ???

Something I've always wondered about was the temperature rating on a thremo. For example 180 degrees, would this be the temp the thermo cracks at or the temp when its fully open.
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Old 12-31-2004, 06:15 PM   #2
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I believe thats when it'* suppose to start open. not fully open
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Old 12-31-2004, 08:36 PM   #3
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It can be both since it is trying to maintain the temperature of its rating. So, on a car that is warming up, it will start to open. However, since it is trying to maintain that temperature, it will do what it has to including going to full open. Once ijt goes wide open, it has done all it can do and if the temperature keeps climbing, then there is a problem with the cooling system not transfering enough heat to the incoming air.
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Old 12-31-2004, 10:31 PM   #4
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I noticed with the 180 in my old Bonneville, the temp was always around 190 or so.

With the drilled 180 in my GTP, the temp says just below 180.
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