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Al every autocross in the summer when it is 90+ degrees and full sun I see lots of people all dressed in black with no hats. I never understand that. It is more about fashion for them than staying cool.
At one autocross I brought my IR thermometer that I use as a pyrometer to measure tire temperatures to make sure the entire tire is even in heat. We went to a black car that was parked next to mine and measured the roof of each car. The black car was lots hotter. I don't remember the spread in temps but it was a lot.
So yea, in winter a black car in the sun will be warmer. Not in the shade or in overcast conditions.
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Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
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