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Old 11-03-2010, 07:16 PM   #13 (permalink)
comptiger5000
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Join Date: Feb 2010
Location: CT, USA
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RaceJeep - '98 Jeep Grand Cherokee (ZJ) 5.9 Limited
90 day: 13.62 mpg (US)
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It might help on the highway in a hilly area if it adds enough momentum to reduce the number of times you downshift on a hill, allowing the engine to be kept in a better BSFC range.
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Typical driving: Back in Rochester for school, driving is 60 - 70% city
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