Can anyone tell me why my temp guage is fogging up with condensation at normal operating temps
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From to time there seems to be thread on this subject. Some people have tried baking them in an oven at low temps. As Mark says, if you want your car to look original, just leave it be! %^))
My first Pantera 30+ years ago fogged up. My current Pantera does the same thing. Gary Hall once told me to drill a small hole in the top and bottom of the gauge housings. This did not work. I posted this same topic a couple of years ago, and it seems no one had a fix.
Hey, if the temp gauge didn’t fog and the amp gauge didn’t do a “hula dance”, it wouldn’t be a Pantera! 
I find those little idiosyncrasies charming and preferable to the cold glow of a modern digital dash.
I find those little idiosyncrasies charming and preferable to the cold glow of a modern digital dash.
In laymens terms .. when the gauge is cold and then you start the car the warmth below the guage traps the cold in the guage and then condensates ... drill a few tiny holes in the side just below the rim allowing air to travel thru the gusage and it shouldnt happen again. Mine does it but it goes away in ashort time.
Ron
Ron