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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Sat Apr 09, 2011 9:03 pm 
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darn! I guess I take the cake for worst mileage. I barely get over 230 per tank! Freeway Driving! I have a lot of crap on my Jeep though. I have done all my services... my 6.1 Hemi gets a lot better gas mileage than that!

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'03 Liberty Renegade: Jet Module, K&N Intake, Magnaflow Muffler, Poweraid TBS, Rockfather II Deluxe 3" Lift Kit with Insane Arms, Terraflex Bumpstops, Moog ball joints, ARB Air Lockers front and rear, Bull Bumper, R.R.O. Supersliders, Pro-Comp Wheels wrapped in 265-75 BFG Mudders, THULE roof rack, Custom Audio/Video system and a lead foot!


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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Sat Apr 09, 2011 10:13 pm 
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329 miles is the furthest I have managed to go on a single tank. I usually average 17 miles per gallon and that is with a manual transmission.

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Sun Apr 10, 2011 3:37 pm 
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what year did the KJs get the bigger 20.5 gallon tanks?? Mine is a 03 and it has a 18.5 gallon tank. I generally get 20 mpg. And....when my gas light comes on, I know I have roughly 3 gallons of gas left, so I can eek out another 50-60 miles or so on the highway to the next fillup.

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2003 Silver Sport - Debadged
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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Mon Apr 11, 2011 1:41 am 
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Location: Metro Detroit
From fuelly, my best tank.
Miles: 321.3 Gallons: 18.0 MPG:17.8

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Mon Apr 11, 2011 3:05 am 
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Luckeeeeeeee!!! I think my Rene is a gasaholic...

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'03 Liberty Renegade: Jet Module, K&N Intake, Magnaflow Muffler, Poweraid TBS, Rockfather II Deluxe 3" Lift Kit with Insane Arms, Terraflex Bumpstops, Moog ball joints, ARB Air Lockers front and rear, Bull Bumper, R.R.O. Supersliders, Pro-Comp Wheels wrapped in 265-75 BFG Mudders, THULE roof rack, Custom Audio/Video system and a lead foot!


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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Mon Apr 11, 2011 5:09 am 
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Location: Norfolk, VA / Carova Beach, NC
Stock 04 I get around 300-320

2wd 5-Speed 02 I have gotten 385 before (all highway liberal driving)

My 03 I get about 200-250 although that is not-corrected for the larger tires and all city

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Current Jeeps:
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Jeeps I no longer have:
2003 KJ Limited, 2002 KJ Renegade, 2002 KJ Sport 2WD, 2002 KJ Sport, 2000 XJ SE 2WD, 1998 ZJ Laredo, 1996 XJ Country , 1990 YJ, 1991 SJ Grand Wagoneer, 1979 SJ Wagoneer
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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Mon Apr 11, 2011 7:43 am 
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Yeahhhhhh, maybe my foot is a bit heavier then the rest but 260 or so is my average. Though as Tonka said, I need to be corrected for my tires to get a new average. Hoping to go by the stealership Friday. I'll repost.

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06 KJ Sport - PA - ONSFARI

OME 926/948 w/ OME Shocks, 3/8 Boiler, 1" LTT, a bit of Clevis lift
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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 12:35 am 
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Ok, so please look at my list of mods below. Beyong those mods and the complete fluid change (trans. fluid, engine oil, fuel system cleaning, diff fluids etc.) and new spark plugs, is there anything else I can do to improve my mileage? Right now I get 13.73 mpg. average.

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'03 Liberty Renegade: Jet Module, K&N Intake, Magnaflow Muffler, Poweraid TBS, Rockfather II Deluxe 3" Lift Kit with Insane Arms, Terraflex Bumpstops, Moog ball joints, ARB Air Lockers front and rear, Bull Bumper, R.R.O. Supersliders, Pro-Comp Wheels wrapped in 265-75 BFG Mudders, THULE roof rack, Custom Audio/Video system and a lead foot!


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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 3:08 am 
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If you're using a JET - 1 , remove it it causes performance degradation

the throttlebody spacer - as long as the ID is equal to or larger than the ID of the stock throttle body then you're alright with that.. several of the TBS inner diameter was smaller than the stock throttle body bore and the stock throttle body already had a restriction

you should be around 15-16 highway lugging the 265-75s

4.10s would help :P

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03 Renegade (Black)
177k miles 3.7L gas - 45RFE
Command Trac / 4.10s
Lift: ft. 790+ rr. JBA4+
The last of the TrailReady Front&Rear Bumpers and TR Rock Rails
Jarhead Offroad light covers
31x10.5R15 RedLetter Grabbers on Blackrock Dunes
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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 7:17 am 
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You might also want to consider having two sets of wheels. Some smoother rolling 235/85R16 all-season tires will increase mileage and can still give the Jeep a nice built look.

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2002 Jeep Liberty Sport (Eugene, I am the Passenger, And I ride and I ride.)
1999 Chev Astro 2WD (Green, Daily Driver)
1997 Chev Astro AWD (Grumpy "The Heep", $250 Rally Van, 335k miles, 2" lift, 31" tires)


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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 10:09 am 
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Pulled my first 601 on the highway with a Hot tune and TCM tune still running Cooper ST 245/70/17 E full skid plates and most of my recovery gear. That is hand calculated with GPS mileage checks. Gotta Love the diesel.

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 10:47 am 
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davidwsnider wrote:
Ok, so please look at my list of mods below. Beyong those mods and the complete fluid change (trans. fluid, engine oil, fuel system cleaning, diff fluids etc.) and new spark plugs, is there anything else I can do to improve my mileage? Right now I get 13.73 mpg. average.



You need 4.10s
around town average 15-16 highway 20-21 plus
and I never cut it any slack at red lights or on the road, if we're not doing 5 over we're not going anywhere. :wink:
and I have as much or more weight without all of the extras you have trying to get more power and mileage
I'd get rid of the Jet module, K&N intake and Insane Arms
well the first two anyways :wink:
stock air box with a Amsoil filter does way better

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 Post subject: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 11:59 am 
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I have yet to figure out my mpg. I usually try to fill it up when it gets to a quarter or half tank. Most of my driving is mixed highway+city driving. After buying a locking gas cap, it does alot better. :D
Today I'll calculate my mpgs.

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 8:28 pm 
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blackwidowkj06 wrote:
I have yet to figure out my mpg. I usually try to fill it up when it gets to a quarter or half tank. Most of my driving is mixed highway+city driving. After buying a locking gas cap, it does alot better. :D
Today I'll calculate my mpgs.



just install an EVIC, :lol:

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Current Jeeps:
2004 KJ Sport, 1977 CJ-5 Renegade
Jeeps I no longer have:
2003 KJ Limited, 2002 KJ Renegade, 2002 KJ Sport 2WD, 2002 KJ Sport, 2000 XJ SE 2WD, 1998 ZJ Laredo, 1996 XJ Country , 1990 YJ, 1991 SJ Grand Wagoneer, 1979 SJ Wagoneer
Projects I am looking for:
1996-2001 XJ, 1980-1988 AMC Eagle Wagon


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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Wed Apr 13, 2011 10:00 pm 
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gtommec wrote:
just install an EVIC, :lol:


the jeep needs something other than that. if i had the money to buy that...geez idk!!! LOL... :lol:
not into the fancy stuff. :mrgreen:

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Thu Apr 14, 2011 4:55 am 
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keep an eye on the for sale section, occasionally they get sold for about 30 bucks - fairly easy install - could be done at a M&G or somethin'

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03 Renegade (Black)
177k miles 3.7L gas - 45RFE
Command Trac / 4.10s
Lift: ft. 790+ rr. JBA4+
The last of the TrailReady Front&Rear Bumpers and TR Rock Rails
Jarhead Offroad light covers
31x10.5R15 RedLetter Grabbers on Blackrock Dunes
L.O.S.T #KD098632


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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Thu Apr 14, 2011 11:30 am 
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JeepinJarhead03 wrote:
keep an eye on the for sale section, occasionally they get sold for about 30 bucks - fairly easy install - could be done at a M&G or somethin'

Nah rather not buy one. But if I decide to get one I'll keep my eyes on the FS section. Thanks for the tip

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Thu Jan 05, 2012 11:17 pm 
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dang. usually get around 230 on a tank with all city driving in a stock 02 Renegade :banghead: almost makes me want to lift the sucker, add bumpers and mud terrains...wont get much worse but atleast it will justify the mileage :|

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Fri Jan 06, 2012 9:31 pm 
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350 ish on a mostly interstate trip. 275-285 during a normal tank.

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 Post subject: Re: Most Miles out of a Tank of Gas????
PostPosted: Thu Mar 01, 2012 11:47 am 
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I have gotten 400 a couples times. I've also put 20.6 gallons in my 20.5 gallon tank. Never ran out of gas though.

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