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there are a few kinds of BH that help cars start from extreme cold weather,) Y) n4 K9 N2 }' D" 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, and keep the engine block warm." T0 L# c/ B. X P' b
Either way, the engine shall not be frozen with use of BH.
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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.; n6 J- M4 u4 j' n, V, t, i1 M
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
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