Quote:
Originally Posted by winter.k
I'm sure Porsche didn't select 180* for their operating temp without reason.
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For emissions reduction purposes as a hotter running engine produces fewer NOx pollutants.
Possible, but I'm unsure; may also have something to do with their being able to claim longer oil change intervals if oil is hotter and burns off contaminants more completely !?
At least in theory, anyhow.