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Old 12-06-2012, 11:40 AM   #186
JPotter
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Join Date: Aug 2005
Chapter/Region: MWSOC
Location: St. Louis
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05 WRX STi
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Quote:
Originally Posted by 10splaya22 View Post
I think he is saying cold engines will cause more wear. If you drive the car sooner it will warm the car up much sooner which overall has less wear than idling a cold engine for 10 min. There is no point to idling an engine that long unless you want the cabin to be warm before you get in it
+1 bazillion. You start the car, let it run for a couple seconds; then start driving like you said low RPM off boost.

Less time with engine up to temp = more time wearing components not up to spec clearances from the temp. About the worst thing you can do for an engine (other than running as hard as possible) is letting an engine sit and idle.
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