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there are a few kinds of BH that help cars start from extreme cold weather,. x) T4 \4 q$ f/ b/ z W! E; F/ s+ i
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.( x1 k5 L. @* [9 o5 r
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.
/ g9 C) b; Z, }* i# GA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
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