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Old 09-25-2016, 05:47 AM
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Dwight Dwight is offline
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Join Date: May 2001
Location: Florence, AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
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I agreed with Tommy buy a good infrared temperature reader to check the temperatures at the thermostat. Then check the sending unit and compare the reading to the gauge.
I have found most are off some but others as much as 12 degrees.

Last spring while researching to replace a temp gauge that was off I found the company claim in their ad that their gauges could be 5% off and the sending unit could be 5% off. I called them and the tec told me the total could be 11%.

Dwight
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