Re: Checking radiator for overheating problem with 1956 Thunderbird
Your temperature drop of 48 degrees from the top (inlet) tube of the radiator to the bottom (outlet) indicates excellent cooling within the radiator. The even, steady drop and absence of cool spots top to bottom is consistent with good cooling. I've also read that the infrared thermometers don't read accurately on rubber, which I assume is the reason for the wide difference between the upper radiator hose and the upper inlet tube.
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