 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
8 S4 N% J0 [2 h2 p+ Kbasically , 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.2 n. L# {$ h f, T) W. \
Either way, the engine shall not be frozen with use of BH.
' y L+ e Z' i' f: N/ G
4 P. B4 d; Z- R% U9 |If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
0 Y! K! @& k3 eA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|