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What happens if I take the thermostat out?
#1
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Brenda
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Do I need the thermostat here in So. California? It's usually 65-85 degrees? I'd like your thoughts.

Posted on: 2017/5/26 12:03
1953 Packard Clipper Deluxe
She starts on the first crank in the morning and purrs like a kitten all day.
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Re: What happens if I take the thermostat out?
#2
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HH56
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You should keep the thermostat.

The thermostats main purpose is to stop flow of coolant to quickly get the engine to operating temperature. A too cold engine will not burn away the condensation which is a byproduct of internal combustion engines. The oil is more prone to sludge forming and contaminant buildup as well as being diluted with raw gas which cannot burn off in a cold engine. Mileage also suffers. Once the engine is within a decent heat range the thermostat opens to allow coolant to flow and keep the engine within the proper temp range.

An aux purpose is to slightly restrict and slow the flow of coolant thru the radiator so the heat transfer has a chance to actually take place. On some engines flow is so great that without a thermostat or other restriction the water rushes thru a radiator so fast it doesn't get a chance to cool. Engineering designed a thermostat into the system and it should remain.

Posted on: 2017/5/26 12:14
Howard
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Re: What happens if I take the thermostat out?
#3
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packard1949
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I am running a 47 Packard with no thermostat in Nashville. No problems. The main purpose of a thermostat is to get the engine to operating temp-the main reason is for passenger comfort. In colder areas it does effect the performance of the car-the engine is designed to operate at a certain temp. Generally here in Nashville even in the winter the temp with generally be close to the temp with a thermostat after 15-20 min of driving. Mechanics will usually tell you under their breath in most cases not needed-however with that being said all cars still have a thermostat.

Posted on: 2017/5/26 19:40
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Re: What happens if I take the thermostat out?
#4
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fredkanter
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I do not think that the world of mechanics knows more about engines than the army of engineers who have been designing engines since the 20's. Thermostats are not for passenger comfort,they are primarily for efficient engine operation and long engine life. Cooler engines build up sludge and warmer engines run more efficiently. New cars have 195 degree or hotter thermostats.

Yes, you can take it out and your engine will not disintegrate, but do you have a degree in thermodynamics or engine design?? Are you smarter than the engineers at E.Grand Blvd, Dearborn Ford or Detroit GM, or Mazda, Toyota etc??

Posted on: 2017/5/26 20:12
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Re: What happens if I take the thermostat out?
#5
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Elefant
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Posted on: 2017/5/27 0:58
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Re: What happens if I take the thermostat out?
#6
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Brenda
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The thermostat stays in! I appreciate all of your knowlege and always listen and do as you teach. So many others learn from all of us to keep these cars around for years to come.

Posted on: 2017/5/27 18:13
1953 Packard Clipper Deluxe
She starts on the first crank in the morning and purrs like a kitten all day.
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