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Old 05-14-2018, 06:48 AM   #15
Dead Parrot
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Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,460
Re: Overheating, tried (almost) everything.

Since you have access to a laser temp reader, put your 180-195 thermostat back in and do the 40mph drive to get it to normal operating temps, preferably on a cooler day or morning. Once it is normally hot, take several readings from many different spots on the radiator. If you find a lot of cool spots, probably places where the water isn't flowing. Even better would be if you could use a night scope.

Couple more questions, type and number of blades on your fan?

Does it have a fan clutch? (fan clutch + flex blade fan = poor air flow)

You mentioned flushing the radiator, have you made sure the air flow passages aren't full of 15yrs of dust and barn fluff?
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