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Old 03-29-2012, 09:52 PM   #1
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Gas mileage

Hey all, I was just wanting to see how my Jeep compares to others on gas mileage. Ive heard some people on other posts say they get good mileage. Mine, not so good! Last I checked it was getting 12.9 mpg. I have a 4" lift, 33" tires, ram air intake, banks headers and exhaust. Is that about right? Or is there some things I can do to improve it, fuel filter, etc.?

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Old 03-29-2012, 10:06 PM   #2
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i have a 4" lift with 32s and im getting around 15 city and 19-20 highway. try a tune up, injector cleaner, marvel mystery oil ect. the mmo made a bit of a difference for me

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Old 03-29-2012, 10:09 PM   #3
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Wow! Yeah im going to def need to do that!
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Old 03-29-2012, 10:15 PM   #4
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Quote:
Originally Posted by brendend
i have a 4" lift with 32s and im getting around 15 city and 19-20 highway. try a tune up, injector cleaner, marvel mystery oil ect. the mmo made a bit of a difference for me
Im not to familiar with the mmo, what do u use it on? Mix it with the oil? And I bought the jeep a few months ago. Already had a oil change. The spark plug wires looked new so I didn't mess with that.
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Old 03-29-2012, 10:16 PM   #5
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Is your speedo correct. If its not your odo will be off. Mines off a ton and makes it impossible to calculate exact mileage but I get around 15 town 17 highway.
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Old 03-29-2012, 10:17 PM   #6
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Is your speedo correct. If its not your odo will be off. Mines off a ton and makes it impossible to calculate exact mileage but I get around 15 town 17 highway.
Its on within a mph at 60
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Old 03-29-2012, 10:18 PM   #7
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Oh and the 12.9 is highway!
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Old 03-29-2012, 10:37 PM   #8
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On the highway, anything over 55mph starts reducing the mpg's as fast as the mph goes up!!
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Old 03-29-2012, 10:45 PM   #9
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Yep. Keep it slow and steady. Honestly a lot of performance parts can actually hurt performance. These babies run pretty great in stock form. I don't know anything about anything you listed however.
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Old 03-29-2012, 10:47 PM   #10
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Yep. Keep it slow and steady. Honestly a lot of performance parts can actually hurt performance. These babies run pretty great in stock form. I don't know anything about anything you listed however.
Yeah I figured that stuff is prob hurting it some. It just makes it sound so good!! Lol
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Old 03-29-2012, 10:48 PM   #11
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And those parts were on it when I bought it
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Old 03-29-2012, 10:49 PM   #12
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And i might want to add mine is a auto I6. Im sure sticks get way better
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Old 03-30-2012, 05:55 AM   #13
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mine gets 12 in town 15 highway
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Old 03-30-2012, 12:45 PM   #14
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There's a lot more in here from a few days ago.
http://www.wranglerforum.com/f5/what...pgs-98552.html
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Old 03-30-2012, 09:24 PM   #15
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98 4.0 manual 17.8 mpg on highway with 31's at 28 psi

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