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Old Feb 8, 2012 | 02:40 PM
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XJSETH
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From: Aurora
Year: 1997 XJ
Model: Cherokee
Engine: 4.0 HO JASPER MOTOR
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Originally Posted by TheCK4x4
That's what I did
whats good gas mileage?! my diesel gets decent mileage. towing to moab on flat land it was getting around 15-17mpg at around 70-75mph
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Old Feb 8, 2012 | 02:46 PM
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Metalgearmurder
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From: New Mexico
Year: 1997
Model: Cherokee
Engine: 4.0
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I'm in the same boat lol .. IDK what the hell im getting.. I just know I can go two weeks (pay periods) between fillups
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Old Feb 8, 2012 | 03:10 PM
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mrfajita
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From: Fort Collins, CO
Year: 1996
Engine: 4.0L HO
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Originally Posted by TheCK4x4
I get 14 with 3.55 and 33s that measure 30.25inches
I get 15 stock. I win/lose. Back when I could get gas with no ethanol in the summer I got 19.
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Old Feb 8, 2012 | 03:17 PM
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TheCK4x4
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From: Loveland CO
Year: 1993
Model: Cherokee
Engine: l6
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Originally Posted by XJSETH
whats good gas mileage?! my diesel gets decent mileage. towing to moab on flat land it was getting around 15-17mpg at around 70-75mph
Tell ya the truth idk and I know I like my jeep so I don't care how many mpg I get
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Old Feb 8, 2012 | 03:17 PM
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TheCK4x4
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From: Loveland CO
Year: 1993
Model: Cherokee
Engine: l6
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Originally Posted by mrfajita

I get 15 stock. I win/lose. Back when I could get gas with no ethanol in the summer I got 19.
Stock I was getting about 19 highway 16 or so city
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Old Feb 8, 2012 | 04:04 PM
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ClimbTheBest
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From: Arvada
Year: 2000
Model: Cherokee
Engine: 4.0L Inline 6
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So is regearing the most effective thing I could do?
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Old Feb 8, 2012 | 04:09 PM
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XJSETH
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From: Aurora
Year: 1997 XJ
Model: Cherokee
Engine: 4.0 HO JASPER MOTOR
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Originally Posted by ClimbTheBest
So is regearing the most effective thing I could do?
No you need to figure out why your gas mileage sucks so bad on 32s something else is wrong. regear will help tho.
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Old Feb 8, 2012 | 04:12 PM
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Bishop
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From: Fort Collins, CO
Year: 2000
Model: Cherokee
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lol Seth beat me, I was gonna say the same.... Gearing will help but I'd say there's other priorities
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Old Feb 8, 2012 | 04:12 PM
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ClimbTheBest
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Year: 2000
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Well...what I have done was replace the spark plugs, upstream o2 sensor, and the PCV valve. That's all I can really think of that I did to effect the gas mileage
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Old Feb 8, 2012 | 04:15 PM
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From: Fort Collins, CO
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Check the rest of the ignition system, air filter, fuel filter, possibly fuel pump? Oil change, maybe seafoam it?
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Old Feb 8, 2012 | 04:22 PM
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XJSETH
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From: Aurora
Year: 1997 XJ
Model: Cherokee
Engine: 4.0 HO JASPER MOTOR
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Originally Posted by ClimbTheBest
Well...what I have done was replace the spark plugs, upstream o2 sensor, and the PCV valve. That's all I can really think of that I did to effect the gas mileage
What about cat? that **** get clogged you gas mileage goes down the crapper
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Old Feb 8, 2012 | 04:23 PM
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ClimbTheBest
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From: Arvada
Year: 2000
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New air filter. I'll see what I can do for the rest. I am about due for an oil change.

How do you check the cat?
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Old Feb 8, 2012 | 04:40 PM
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XJSETH
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From: Aurora
Year: 1997 XJ
Model: Cherokee
Engine: 4.0 HO JASPER MOTOR
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Originally Posted by ClimbTheBest
New air filter. I'll see what I can do for the rest. I am about due for an oil change.

How do you check the cat?
go hammer it on the highway for 30 minutes see how hot it gets if its glowin it clogged.
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Old Feb 8, 2012 | 04:49 PM
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dogger15
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Xj = brick on wheels
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Old Feb 8, 2012 | 11:05 PM
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dannanw
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From: Colorado Springs
Year: 1990
Model: Cherokee
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Originally Posted by dogger15
Xj = brick on wheels
This.... I just made it worse by adding 35's
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