Thread: Overheating
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Old 03-14-2020, 07:47 PM   #2
Mike Peters
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Join Date: Aug 2012
Location: South East Wisconsin
Posts: 1,279
Default Re: Overheating

While the car is running, remove the rad cap and look for foaming, lotsa bubbles. If so, bad head gasket, warped head, cracked head, etc., which allows combustion gases into the water, which causes bubbles and overheating. Had the same thing on our roadster a couple years ago and had the head planed. It was .012" out of flat. Problem solved. Easy diagnosis. If engine is tight, then bad rad. Check engine first.
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