 鲜花( 0)  鸡蛋( 0)
|
there are a few kinds of BH that help cars start from extreme cold weather,
2 t/ m r6 {* \& o) ^* j+ | k) w% ubasically , 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 H7 r% l& p+ Q# `
Either way, the engine shall not be frozen with use of BH.; d/ z! w6 F" l: i1 }9 ~
4 H/ D0 o0 r+ ^5 h5 ^6 |: f
If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.) P/ L5 j& w8 ~0 }
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 has a pure point of -30 to -40 degrees. |
|