Porsche 9, If just starting and left on idle, maybe it would double your driving time warm up. My VW Jetta TDI manual says don't exceed 28 hundred RPM's till operating temp is reached. I feel it's just best to let the cars engine reach the proper operating temps, especially in extreme cold temps. Shucks, I don't do well till I warm up.
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Artic Silver Boxster S - Black Leather - Black Top - Convience Plus Package
Last edited by Lew; 12-18-2016 at 10:07 AM.
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