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my 2 cents for what its worth
What he is saying about the oil not flowing is absolutely correct, in EXTREME EXTREME cold, I have known the oil to be actually tacky. And I have known a case where the pistons were scored quite badly b/c of extreme cold and the fact that the car was run immediatly after starting. But its not like it takes long for the oil to loosen up. Just start it and give it 2 minutes. Metal on metal is a terrible terrible thing, if you accelerate the movements of the pistons, while true, your accelerating the time it will take the oil to flow, your also accelerating the heat in the engine block BEFORE the oil is there, leaving you quite easily with scored pistons. I HAVE seen cars damaged by this before.
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