 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
8 M s+ h( `& c$ j8 h9 Mbasically , 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.
6 R) G. i4 g S5 W) D4 F' u2 JEither way, the engine shall not be frozen with use of BH.9 U, R a% E1 z" Z
* S. Y7 { |! v& Y- JIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
) W# m4 R5 s/ M; c1 g9 WA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|