Jeep TJ Forum Third generation of the classic Jeep - manufactured since 1997. Known by the coil springs and round headlights. Includes the Rubicon and Unlimited editions as well

mileage truth

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Old Mar 16, 2009 | 08:34 PM
  #21  
RiponredTJ's Avatar
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From: Montreal
Smile Re: mileage truth

Originally Posted by YKPAIHA
sorry for a bit of off-topic, but I would like to put a different spin on mileage truth - I've never seen TJ with more than 160 000 km on it, is it maximum it can go?
You really need to get a grip on reality. My 98 is at 160K and running like a champ and looking pretty good too if I say so myself. Here's a picture and there's more in my gallery.

Ya gotta maintain it if you want it to keep running. Sometimes you need to drop some dineros to replace rusted out fenders and a few other worn out components like I'll be doing soon. You can't just beat it to $hit and expect it to last. That goes for pretty well any vehicle.

I expect to hand this one off to my daughter when she graduates from high school. She's in grade 5 now, and I'll be driving it every day between now and that fateful day. Maybe she'll inherit a classic
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Old Dec 8, 2009 | 07:55 PM
  #22  
lo'willy's Avatar
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Default Re: mileage truth

i am definately not a model driver :D i have an 04 TJ Rocky Mountain 4.0 with a 5 speed stock as of yet, and i average 400 km per tank with about equal highway to city driving
Old Dec 12, 2009 | 12:18 AM
  #23  
jeepjones's Avatar
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From: Calgary
Default Re: mileage truth

I have friends who have had the 4.0 go over 400,000km before a rebuild was needed.
Old Dec 12, 2009 | 03:24 PM
  #24  
vastier's Avatar
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From: Chilliwack, BC
Default Re: mileage truth

My 4.0L TJ on 33's was getting the same milage as my 2.5L TJ on 32's was which was about 380 km.
The 4.0L is on 35's now and I get about 280 km to a tank. The 35's make a drastic difference on milage and power with the stock gears.
Old Dec 12, 2009 | 05:15 PM
  #25  
cowboys666's Avatar
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From: Hamilton
Default Re: mileage truth

as most people have been saying,jeeps don't get that far on a tank of gas especially
lifted and bigger tires etc. etc.but if yous must know lucky if i get 325kms .
Old Dec 12, 2009 | 09:05 PM
  #26  
vastier's Avatar
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From: Chilliwack, BC
Default Re: mileage truth

Originally Posted by RiponredTJ
You do know this is the TJ forum, right???
From what I gather, throttle body mods are virtually useless for TJ's and K&N filters rank right up there with the worst possible mods ever. But that's just me. I'm glad you noticed that huge increase in horsepower lol.
Sorry man, but nothing beats good maintenance and sensible driving as far a mileage is concerned.
I installed the Edge Trailjammer Kit on my 4.0L and there was a substantial improvement in both power and milage. Gained about 50 km per tank. Ran it that way for a year then put on a Magna Flo Cat back on it and that really worked with the Throttle body mods.
It goes like it's on 33's

Stock Throttle Body at 58mm vs a 62mm Throttle Body... You're gonna get a power gain.
Can't say much for those throttle body spacers though. Had one on my old 2.5L TJ and I notice a slight increase in throttle response but it had no effect on milage.
Old Dec 20, 2009 | 01:48 PM
  #27  
jonathan432's Avatar
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Joined: Apr 2009
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From: Ile-Perrot(montreal)
Default Re: mileage truth

I would never go for the 4 cyl my friend has it and has to down shift alot on the highway just to try and keep it at 110km it really sucks for him he really wishes he bought a 6cyl
Old Dec 20, 2009 | 10:21 PM
  #28  
RiponredTJ's Avatar
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From: Montreal
Default Re: mileage truth

Originally Posted by jonathan432
I would never go for the 4 cyl my friend has it and has to down shift alot on the highway just to try and keep it at 110km it really sucks for him he really wishes he bought a 6cyl
The 2.5L is not fast, but it's more fun than a barrel of monkeys once you get it off the highway.

And 110kph should be no problem for a 2.5.
Old Dec 22, 2009 | 08:20 PM
  #29  
jeepjones's Avatar
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Joined: Dec 2008
Posts: 215
From: Calgary
Default Re: mileage truth

Putting on a High flow Magnaflow cat and muffler tomorrow, that will be it for the uncorking process, Airaid intake, stainless headers etc, I will let you guys know if the mileage changes.
Old Dec 25, 2009 | 10:16 AM
  #30  
jeepjones's Avatar
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From: Calgary
Default Re: mileage truth

There is more power at the wheels for sure WAY MORE!

Last edited by jeepjones; Dec 27, 2009 at 11:33 AM.
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