Quote:
Originally Posted by tuchan
Interesting thread. I have always warmed up my cars, even the new ones of today I warm up. The old SC I do also, let it run for maybe 5 minutes at idle before I go anywhere in all seasons. I probably do this from my Mini days when the thing really did not enjoy running whilst cold.
I can't see letting a engine warm up at idle doing any damage, if anything I would have thought it would be a good idea? Maybe I am mistaken.
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With an old carburetor car a warm up can be necessary. You are not likely doing any real harm to your car, but you are just wasting time, gasoline and making unneeded pollution. 5 minutes for every trip in a decade is hundreds of gallons of wasted gas and money.
Any modern car simply does not need a warm up. And a fuel injected 911 does not either. Get in and go with moderation of engine speed.