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Unread 11-10-2010, 05:04 PM   #16
Hella
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04 Rubi with the 42RLE auto and I get 13 city and highway with 33's and stock gears..

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Unread 11-10-2010, 05:23 PM   #17
DezertTJ
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my 03 rubi. auto, 4.10 gears, 35's gets 17-19 on the highway but thats a flat desert highway haha

thats with cooper stt's
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Unread 11-10-2010, 06:08 PM   #18
Griff97
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I know this is mainly about 4.0s but I check the mpg of my '97 2.5 recently. It was 15.5 with 4.10s ax5 and a 34 ltb. I'm about to swap to 4.88 so I hope that helps it. I was getting 14.0 before swapping a 4.0 throttle body onto it. Probably 85% city 15% hwy.
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Unread 11-10-2010, 07:38 PM   #19
viperbluelx
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My 98 with 35's, 4.10's and 3-speed auto is averaging 10mpg. Speedo is calibrated and within 1mph of GPS.
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Unread 11-10-2010, 07:50 PM   #20
LJameson
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My LJ gets anywhere between 14-16 while my 2000 TJ gets between 12-14. LJ has the 42RLE while the TJ has the 32RH.
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Unread 11-10-2010, 07:56 PM   #21
hustler905
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Quote:
Originally Posted by bottlerocket91 View Post
The 6 speed manual isnt much better than the 5 speed as far as the overdrive goes. Just has a taller first gear
You mean a shorter first gear.

Tall gears are high.

Short gears are low.
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Unread 11-10-2010, 08:37 PM   #22
Knuckelhead
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Quote:
Originally Posted by viperbluelx View Post
My 98 with 35's, 4.10's and 3-speed auto is averaging 10mpg. Speedo is calibrated and within 1mph of GPS.
2000 Sport with 35's and 456's (32RH), 17 mpg on the highway...
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Unread 11-10-2010, 08:43 PM   #23
flatlander757
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On my 03 Sport I get 9.5mpg on 40s w/ 5.86s all city stop and go driving... I don't know what you guys are complaining about

Every Jeep is different... I think it's best to just leave it at that.
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Unread 11-10-2010, 08:52 PM   #24
DustinS
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My guess to answer your question is that later models got a number of upgraded parts and were often more option-laden then earlier models. Extra weight from options, especially ones that affect aerodynamics, could play a role.
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Unread 11-10-2010, 08:57 PM   #25
bottlerocket91
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Quote:
Originally Posted by hustler905 View Post
You mean a shorter first gear.

Tall gears are high.

Short gears are low.
Yea I was actually re-thinking that post on the way home today and realized I messed it up lol. Shorter gears
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Unread 11-10-2010, 09:13 PM   #26
CaptainSlow001
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'98 Sport, 43k miles. I can get 18 around town if I try.... and 10 if I don't.
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Unread 11-10-2010, 10:05 PM   #27
buddastrat
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Yeah I remember with my '97 TJ, on a full tank I'd get to 350 miles on the tripmeter before the low fuel warning. Then I'd fill 17 gallons almost every time. That was with those Grizzly wheels and stock tires, 3.07.

The '98 with 3.73 and 31's would get to 260 and I'd put in 17. That was so consistent for years.

With the '06...let's just say I'm just lucky I don't have to drive too much.
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Unread 11-10-2010, 10:12 PM   #28
buddastrat
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Quote:
Originally Posted by bottlerocket91 View Post
The 6 speed manual isnt much better than the 5 speed as far as the overdrive goes. Just has a taller first gear
I just meant around town, it seems I can fine tune the driving a bit more with the six, for ex. I notice I can take a corner in 3rd gear very easily without lugging. In my 5 speed I was at higher RPMs because I'd be in 2nd. No way I could take a corner in 3rd, without lugging. Just thought keeping RPM's low would help with mileage.

I try to drive with egg between the foot and gas pedal philosophy, it doesn't seem to matter.
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Unread 11-11-2010, 06:20 AM   #29
clockworkoranj
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My 05 LJ auto w/stock tires/wheels, minimal mods and 24k miles gets 15 mpg +/-1 around town no matter how I change my driving habits (within reason). The only thing that has seemed to make a impact is that I am consistently closer to 16 since I found a local go juice station that is ethanol free. Seems to run smoother at idle as well, but I have a vivid imagination.
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emission , miles per gallon , mpg , tj

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