Re: 1950 Packard 288 Auto overheating HELP
Posted by gone1951 On 2010/1/30 13:46:53
Quote:
I'm beginning to wonder if there is anything wrong at all. It is not unusual for the temp to climb a bit when you slow down from high speed. There is a lot of heat stored in the engine block and head, when you slow down the water pump and fan slow down and the temp climbs temporarily.
I agree with this. If the radiator is not boiling over then it is not overheating. One question I have here is why is it suggested to change the thermostat from 160 to 180 when the weather changes? Either thermostat will be completely open ( except maybe in sub zero climates) when the engine is warmed up no mater what the outside air temperature is. Why not just leave in the 180 degree thermostat if that's what the book calls for? Changing the thermostat doesn't change the operating temperature of the engine at all. It only changes the bottom temp which may, in cold weather, give you less heat out of the warm air heater. The thermostat has more to do with warming the engine up to a minimum temp faster and less to do with holding the temp down. It can't do that. Only the radiator can take heat away.
I sure get carried away at times.
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