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Warming Up Engine
I have this old '89 camry, and I've lived on both east coast *Boston* and west coast *Washington* where the weather isn't exacally moderate. Just today, I was giving a friend a ride home, and while I sat there warming up the engine he looks at me and says "warming up the engine is such a myth... you only need 30 seconds before everything is hot". His statement goes against what I have always beleived of waiting until the thermostat moves to indicate there IS heat. My questions is this.. is there really a need to heat up a engine? If so, how long? and if not, why?
I would appreciate any help as to clearing up my confusing. Thanks in advance!
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