On Wed, 19 Dec 2007 12:21:28 -0500, Peter R. wrote:

Why is it that here in the Northeast US seemingly no one preheats their
automobile engine before start-up in very cold temperatures? Is the long-term
damage the same for both autos and aircraft engines? If so, why do you
suppose auto owners don't typically do this? Is it because that most auto
owners do not keep their cars very long?

No because it is entirely unnecessary.
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