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there are a few kinds of BH that help cars start from extreme cold weather,7 @+ P! A7 A8 J5 y: b$ c4 d0 e
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.
+ O2 O6 f# i' ~7 }5 \# ^7 sEither way, the engine shall not be frozen with use of BH.
5 h+ F0 Y) y2 HGoogle 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.0 m+ G; w) g* I! ^$ g$ e
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.
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( P, l7 j8 m8 R* C" Q2 k% gif 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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