 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
. C" U5 [0 W2 M9 w* 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.; z& n& v" P7 J( I
Either way, the engine shall not be frozen with use of BH.$ H- N9 T2 |( J8 o
( C+ e- A' X2 }5 k3 H+ Y( }0 ^! q
If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.
( w3 r, l" l, g* @/ z7 ?( T6 UA good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|