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Old 09-23-2010, 07:41 PM   #9 (permalink)
saand
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Join Date: Jul 2010
Location: Melbourne, Australia
Posts: 236

bugler - '91 Mazda 626
90 day: 35.89 mpg (US)
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ShadetreeMech, regarding the MPG penalty for running the fan I will be doing a test on current draw vs MPG for my car when i finally find a good enough test site.

but from previous tests (that weren't ideal) i think there was only a few percent penalty for running with full head lights compared to parkers. I have the standard fillament lights not LED so the current draw of my head lights is probably comparable to the fan current draw.

So i wouldn't expect to see more than 2 or 3 percent for running a fan also the fan wont always be on.
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