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Illustrious-Fig-516 t1_iur740v wrote

I never preheat my car, I turn it on scrape off the windshield and back glass, then hop in, maybe 5min of heat tops. It's definitely not about emissions, but about time tbh.

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colem5000 t1_iuskigi wrote

You’re going to wreck your engine. Oil is very thick as cold temps and it doesn’t lubricate properly because it can’t be pumped as efficiently. Wait the extra 10-15 minutes unless you like replacing engines.

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SunglassesDan t1_iustb09 wrote

There is no evidence that driving a car for 10 minutes to finish warming up is more harmful than idling it for the same amount of time.

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