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Old 10-07-2008, 09:57 AM   #8 (permalink)
PaleMelanesian
Master EcoModder
 
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Join Date: Dec 2007
Location: Texas
Posts: 1,479

PaleCivic - '96 Civic DX Sedan
Team Honda
90 day: 74.33 mpg (US)
Thanks: 148
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Just a warning about underdriving...

I do a lot of EOC. The engine is off more than it is on. Battery voltage is a problem, since the alternator is running less than 50% duty cycle. If I did an underdrive conversion, I would run the battery into the ground in no time. Winter makes this worse, with headlights needed in the dark.
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- - - - -Best 11-mile commute: 105 mpg
- - - - -Best tank: 88.5 mpg / 1133 miles
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