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Old 02-18-2016, 12:47 PM   #9 (permalink)
Fat Charlie
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Join Date: May 2011
Location: Route 16
Posts: 4,150

Al the Third, year four - '13 Honda Fit Base
Team Honda
90 day: 42.9 mpg (US)
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Like Old Mechanic says, maybe it's time for maintenance instead of modification. A brand new OE-sized radiator will probably have more flow than one with 24 years of crud in it. Going new and oversized may be too much cooling.

I wouldn't worry about the fan draw, because you shouldn't need much fan. Weight hurts on starts and uphills and helps on the glide and the downhill, but a hole in the air dam catches air whether you need it at the time or not.
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Quote:
Originally Posted by sheepdog44 View Post
Transmission type Efficiency
Manual neutral engine off.100% @MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%

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