“Cold” spark plugs normally have a short heat flow path. This results in a very quick rate of heat transfer. Additionally, the short insulator nose found on cold spark plugs has a small surface area, which does not allow for a massive amount of heat absorption.
Read MoreThe automobile water cooling system consists of water pump, radiator, cooling fan, thermostat, compensation water bucket, water jacket in engine block, cylinder head and other auxiliary devices. Among them, the water pump is a centrifugal water pump, and its function is to pressurize the coolant t......
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