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Old 07-07-2008, 12:06 PM   #106 (permalink)
NismoMax80
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Join Date: Jul 2008
Location: PA
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Max - '04 Maxima SE
90 day: 24 mpg (US)
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Quote:
Originally Posted by garys_1k View Post
You have any data to back that up? Cold air is denser and causes more aero drag. Lower internal temperatures can trigger enrichment or delay optimal spark timing in a calibration, too.
exactly. everyone's FE goes down in the winter.
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