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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

PLEASE DO NOT START SHOW & TELL TYPE THREADS IN THIS FORUM
View Poll Results: Whats your MPG? Vote One Street One Highway
Highway: 20+ (You Better Share)
13.64%
Highway: 16-19
59.09%
Highway: 13-15
15.15%
Highway: 10-12
4.55%
Highway 9-
0
0%
Street: 18+ (Again, Please Share)
5.30%
Street: 15-17
37.88%
Street: 12-14
25.76%
Street: 9-11
4.55%
Street: 8-
0.76%
Multiple Choice Poll. Voters: 132. You may not vote on this poll

Your MPG and The Mods That Got You There

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Old 06-24-2009, 07:13 PM
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Default Your MPG and The Mods That Got You There

Okay so we all talk of the different setups we run and I always think, "What kind of gas mileage must they get? Is it better than mine? Worse?"

So post up the kind of mileage you get and what youre running if it is not in your signature.

If you have certain Mods to increase MPG PLEASE POST THEM! Everyone would like to know, Im sure of it!

Vote for One highway and one street

2dr automatic with a 3" lift and 35's and 3:73 gears

Last edited by So_Cal_Tay_12; 06-24-2009 at 07:21 PM.
Old 06-24-2009, 07:50 PM
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07 sahara 4dr
4' lift
k&n intake CAI
Flowmaster 80 series
35x12.50 R 20

bout 11 or 12 mpg...HELP!!!!

I have read on here that MPG is off due to the mods i have done. Is this right?
Old 06-24-2009, 07:53 PM
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Teraflex 4" long arm
35" BFG KM2's
Hypertech
Airraid intake and tbs
Hushpower II muffler
Old 06-24-2009, 07:56 PM
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oh boy another mpg thread
Old 06-24-2009, 08:01 PM
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I'll admit it - I have a Civic Hybrid. What does that have to do with the JK? Fair question.

I get 65+ MPG on the Civic around town. This is miles traveled over gallons used for the last two years. I use "hypermiler" techniques - start slow and even, avoid the brake pedal at all costs, use cruise control. If I use "pulse and glide" I can consistently get 70+ MPG.

If I use the same techniques in the JK, I get about 19 highway and city (really no difference). This is on 4" lifted, 35" tires, aftermarket bumpers, winch and other goodie-equipped JK. And Arizona is not exactly a flat state - this is consistent for my trips to the cabin in the mountains. Of course pulse and glide does no good if you don't have a hybrid, but the other hypermiler techniques work great!

Having said that, I don't use my JK as a daily driver. My usual M.O. is to tow a 3500# trailer to some remote 4x4 trail and spend a day hammering in the back country. Then my MPG averages closer to 13 MPG for the trip.
Old 06-24-2009, 08:05 PM
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Originally Posted by tkob1060
oh boy another mpg thread
These will never ever end.
Old 06-24-2009, 08:13 PM
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Originally Posted by tkob1060
oh boy another mpg thread
oh boy another "oh boy another <insert your favorite pet peeve here> thread" comment!!

Get used to it, people. There are 22,172 members (as of this moment), so expect 22,172 questions. Some are bound to be similar, related, or even the same!

...unless you just like to pad you post count. Like I just did.
Old 06-24-2009, 08:15 PM
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i just dropped in my 4:88's last weekend and my mileage went up to almost 18 around town have not checked it on the hightway yet but i will post back with some results
Old 06-24-2009, 08:18 PM
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I have gotten 20+ MPG numerous times on the HWY. Now, it was far easier with the stock donut tires (225/75R16). But I have done it with my S/T's as well.

The key is watching your speed. If you go over 65, you can kiss your mileage goodbye. These are not arrow dynamic vehicles, and require quite a bit more power to progress as air resistance increases. If I am in the flats, going 55, I can get 22mpg all day. I have almost gotten 23mpg going 55. Going 65, the best I have gotten is 20.2 which I still consider quite good. Drafting a bigrig can be a huge help as well. You can be about 3 car lengths behind them and still have much less wind resistance (you can tell as the wind noise dies down).
Old 06-24-2009, 08:24 PM
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Originally Posted by Stuka
I have gotten 20+ MPG numerous times on the HWY. Now, it was far easier with the stock donut tires (225/75R16). But I have done it with my S/T's as well.

The key is watching your speed. If you go over 65, you can kiss your mileage goodbye. These are not arrow dynamic vehicles, and require quite a bit more power to progress as air resistance increases. If I am in the flats, going 55, I can get 22mpg all day. I have almost gotten 23mpg going 55. Going 65, the best I have gotten is 20.2 which I still consider quite good. Drafting a bigrig can be a huge help as well. You can be about 3 car lengths behind them and still have much less wind resistance (you can tell as the wind noise dies down).
55????? Damn you may get run off the road in NJ going that speed...


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