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there are a few kinds of BH that help cars start from extreme cold weather,) R! G& b9 V, ~0 N3 U( s0 }& ^! N
basically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant/radiator, and keep the engine block warm.
. Y( E) O2 u% J- V* dEither way, the engine shall not be frozen with use of BH. m/ b& }( f, g2 ~. F
Google block heater6 G! o9 b( B, s/ X# L' w: r% ^
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If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
8 h9 c4 F2 K* CA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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if you have BH or SO, but ur car still could not be started up, and you have not checked/replaced your battary before the winter came, I bet the battary is dead. |
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