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Miller88 · 03-20-2014, 11:49 AM

If anything - evidence points that cooler oil cools the metal parts of the engine better than heavier oil. Flows easier, quicker and is able to move throughout the system better.

03-20-2014, 11:49 AM	#12 (permalink)
Miller88 Master EcoModder Join Date: Jul 2008 Location: NY state Posts: 501 XJ Cherokee - '00 Jeep Cherokee Sport 90 day: 12.96 mpg (US) FoFO - '11 Ford Focus SE 90 day: 36.78 mpg (US) Thanks: 1 Thanked 51 Times in 38 Posts	If anything - evidence points that cooler oil cools the metal parts of the engine better than heavier oil. Flows easier, quicker and is able to move throughout the system better.