 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
5 p, ?" h6 [/ Z: f4 n# ybasically , 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.
8 K7 q& |; R$ m7 b+ o) F' wEither way, the engine shall not be frozen with use of BH.3 f" y/ @2 O9 z' f) Q
& d, a2 M9 n6 j# N3 i' d) s( E5 z5 EIf you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
' A* ]! V) T5 ]% O' P% A/ sA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|