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Old 08-20-2010, 08:57 PM   #11 (permalink)
comptiger5000
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Join Date: Feb 2010
Location: CT, USA
Posts: 544

RaceJeep - '98 Jeep Grand Cherokee (ZJ) 5.9 Limited
90 day: 13.62 mpg (US)
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Tollo - Many vehicles use temperature compensated charging to avoid that problem. My Jeep has a temp sensor in the battery tray to monitor battery temp. In hot summer weather, the voltmeter sits around 13.8 or so normally, a little less if the engine bay is really heat-soaked. In cold winter weather, it's around 14 - 14.1 due to the colder battery.

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Call me crazy, but I actually try for mpg with this Jeep:



Typical driving: Back in Rochester for school, driving is 60 - 70% city
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