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Old 05-31-2011, 11:13 AM   #8 (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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^ Yup. If you don't close the valves, you're saving nothing, even putting the fueling issues aside. You need to make those cylinders stop pumping air to gain anything in the pumping loss department.
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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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