better gas millage? - JeepForum.com
 
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post #1 of 4 Old 07-13-2008, 02:27 PM Thread Starter
lilseth0014
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1997 XJ Cherokee 
 
Join Date: Sep 2006
Location: mass
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better gas millage?

I just replace rear main seal. Valve cover gasket and oil pan gasket. And also replaced cap rotor wires and plugs. The only other thing i can do now is tires. I have a 1997 jeep cherokee. With the chrystler 8.24. What tire size would be the best for getting the best gas mileage? I am thinking maybe 30 inch?

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post #2 of 4 Old 07-13-2008, 02:42 PM
hxcjohnny
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2002 WJ 
 
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Location: North Carolina
Posts: 563
I'm assuming just a regular 235/75 or whatever came on them stock would net you the best mileage. I'm assuming there's no lift? My Chrysler 8.25 is geared at 3.55, and I have 31's and I can tell a difference in mileage. I need to regear I think, the 31's put too much stress with those long gears

02 WJ Overland
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post #3 of 4 Old 07-14-2008, 05:04 AM Thread Starter
lilseth0014
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yes there is a lift 6.5 inches
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post #4 of 4 Old 07-14-2008, 07:56 AM
kboyts
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1999 XJ Cherokee 
 
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well the simple answer is you're not going to get anything resembling decent mileage from an XJ with a 6.5" lift.

But in general the closer to factory size, the better mileage you are going to get. Assuming that you still have factory gearing.
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