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there are a few kinds of BH that help cars start from extreme cold weather,
0 L* h w+ C" r" f, sbasically , BH keep the car warm by heating up the oil pan-which keeps the engine oil from frozen, or by heating up the coolant/radiator, and keep the engine block warm.
- U9 [& Y( U+ Z1 C& [0 {7 IEither way, the engine shall not be frozen with use of BH.
# w1 G) G0 Q zGoogle block heater% C# }+ Q' D; m. B2 a5 k
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If you do not have BH on ur car, by using synthetic oil you can also prevent oil frozen from happening.4 { `) w8 S; e6 y
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees.% Q! w4 B( p, V: o# {$ q: H
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if you have BH or SO, but ur car still could not be started up, and you have not checked/replaced your battary before the winter came, I bet the battary is dead. |
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