
08-14-2010, 05:56 PM
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CC Member
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Join Date: Jun 2005
Cobra Make, Engine:
Posts: 3,077
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Not Ranked
Easy to test gauge. Remove sending unit carefully. Boil pan of water. Place sending unit in pan, compare pan temp thermometer with gauge.
I found mine to be withing .5 degrees accurate. That is the best way to fill the cooling system with the temp sending unit slightly loose to bleed air, then tighten.
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