Temp gage acting stange
I have a 51 mercury flathead in my 36 ford pu. The temp gage shows off scale low when I start and drive for some time. After ample time for the engine to come to normal operating temperature, the gage still is off scale low. I return to the shop, and turn the ignition off. The temp gage almost immediately starts to register. The indicator shows a little below normal operating range within a minute or so. I have recently replaced the temp gage and capillary tube. I am wondering if maybe I have a stuck thermostat? of maybe the water pump is not working properly. Any ideas from any of you with experience like this would be greatly appreciated. Thanks, Lon.
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