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Old 12-15-2009, 12:10 AM   #21 (permalink)
Nerys
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Join Date: May 2008
Location: Levittown PA
Posts: 800

Cherokee - '88 Jeep Cherokee
90 day: 19.44 mpg (US)

Ryo-Ohki - '94 Geo Metro Xfi
90 day: 50.15 mpg (US)

Vger 2 - '00 Plymouth Grand Voyager SE

Ninja - '89 Geo Tracker
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ahh I understand. warming up gets you a lot lower fuel economy DURING the warm up. so a shorter trip means that warm up period is much larger percentage wise so the colder temps will hit this "warm up" period more and since its a larger percentage of your total trip the effect is visible in the numbers. So I won't see as much a gain if any from a engine heater on my FE as for example he might?

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