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there are a few kinds of BH that help cars start from extreme cold weather,
5 S1 x9 m! x: l9 f! m5 ]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/radiator, and keep the engine block warm.
, N/ `( G/ T! q7 ^Either way, the engine shall not be frozen with use of BH." l( ~1 f M" O
Google block heater
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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.6 z% ?% [+ ]! H" F1 [. `
A good synthetic oil, 5w20 or 5w 30 , or 3w 20 have a pure point of -30 to -40 degrees." t! T' H8 w4 i% [/ K: E
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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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