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there are a few kinds of BH that help cars start from extreme cold weather,# ~! o+ |& _( f
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.
{& z _9 t- L" _) i$ Z7 ~ ?4 MEither way, the engine shall not be frozen with use of BH.
+ @1 W# o! N5 A$ P* ^1 R3 ^+ Y; r3 vGoogle 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.
; [4 F- C& w& E5 v% ^, ?! J- fA good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees. U3 R, ^) G; a! }4 c( g
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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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