19-03-25, 02:45 PM
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Member
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Join Date: Jul 2008
Location: Meriden near Coventry
Posts: 97
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I would agree. Running at 55 is too low. The general rule is that you can't overcome the operation of a thermostat. The most common mistake is to fit a normal thermostat and then worry that the engine is too hot (generally it isn't) and then try to cool it with more fan power, which doesn't work because the thermostat always wins, it just closes a bit more.
In your case the thermostat must be sticking open, I think. It probably closes when the engine gets properly cold, but when it is just 25 degrees cooler than it should be the force is not enough to close it. Or maybe there is a significant by-pass route somewhere ?
I had heard that Stant is a maker of good quality thermostats, maybe track one of those down ?
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