10-10-2008, 12:35 PM
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#3 (permalink)
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Batman Junior
Join Date: Nov 2007
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I haven't ever seen anything about an optimum oil temp for economy. Other than losses from non-synth oil, which can be more viscous at a cold start.
And Neil has a valid point about increasing aero losses by adding a cooler. That airflow could otherwise be directed around the vehicle instead of throught the rad, engine compartment & underneath.
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