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Old 04-05-2011, 11:50 PM   #17 (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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I agree, it will need aeromods to hit 40mpg. My point is that aeromods and tall gearing together will do far more than just aeromods, as a very lightly loaded engine revving higher than it needs to gets crappy mpg (hence why the 360 in my Jeep needs a tailwind to hit 20mpg on the highway, as it's just not geared tall enough).
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Typical driving: Back in Rochester for school, driving is 60 - 70% city
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