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there are a few kinds of BH that help cars start from extreme cold weather,, L4 f3 ~" S, k9 m1 M# b5 Q
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.
: X9 I$ h, F3 ]3 t9 B/ nEither way, the engine shall not be frozen with use of BH.6 R# F, ?* X6 ^
Google block heater
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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.! T! M" a0 G0 B _# k: [
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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_! {% b4 F9 u8 a3 F: h, Pif 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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