 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,- T L0 B* F- l7 `
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.' e0 k0 M9 ?" m% {+ U1 O
Either way, the engine shall not be frozen with use of BH.& }, G/ }0 i8 H
* o7 W' A. v' ]
If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
* a* O1 M) h. k( OA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|