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Old 04-21-2005, 09:35 PM   #1
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couple of newbie q's

Hey guys! I'm pretty new to the Jeep world and I had a couple of questions.

1. What's the biggest tire I can fit with a stock suspension?
2. If I do a body lift, is it necessary for me to do the motor mount lift as well?
3. What kind of mileage do you guys get? I know Jeeps aren't really efficient, but is 14mpg normal?

Thanks in advance for you help!!
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Old 04-21-2005, 09:57 PM   #2
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Welcome to the worst addiction you'll ever have 31x10.5" for stock height, you do not need a MML, but it makes it so you dont have to drop the radiator - and it gives you a slightly better rear driveline angle too. I get 20mpg highway, 13mpg street on the 2.5L, stock 4.10s, and 33s

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Old 04-22-2005, 01:19 AM   #3
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According to JP magazine you can fit 35's with no lift but you will be doing a lot of mods and cutting. But without hacking the crap out of your tj 31's like jeepcrawler98 said.

-Tom
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Old 04-22-2005, 06:55 PM   #4
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I think I would like to have a little bit of flex with my set of tires, so I will probably forgo the 35's and stick with 30's or 31's for now. Thanks for the help. I'm sure there will be more questions in the near future.
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Old 03-26-2010, 03:56 PM   #5
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I would definitely upgrade your sneakers and go with at least 31's. You should also go with a 2" Skyjacker spacer kit. If you plan on Rock Crawling you should think about going with a 4" lift kit.
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Old 03-26-2010, 04:05 PM   #6
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Quote:
Originally Posted by bama97SE View Post
Hey guys! I'm pretty new to the Jeep world and I had a couple of questions.

1. What's the biggest tire I can fit with a stock suspension?
2. If I do a body lift, is it necessary for me to do the motor mount lift as well?
3. What kind of mileage do you guys get? I know Jeeps aren't really efficient, but is 14mpg normal?

Thanks in advance for you help!!
  1. Optimally 31" (although you could fit bigger if you don't off-road and extend your bumpstops).
  2. Not at all.
  3. 11-12 mpg, but my Jeep weighs roughly 4,250 lbs.
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Old 03-26-2010, 04:33 PM   #7
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I had 32s on stock suspension and it only rubbed when the wheel was turned all the way...example..turning around. Other than that they fit fine.

Mileage in the mid teens is normal.
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Old 03-26-2010, 04:55 PM   #8
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Quote:
Originally Posted by KBR97 View Post
I had 32s on stock suspension and it only rubbed when the wheel was turned all the way...example..turning around. Other than that they fit fine.

Mileage in the mid teens is normal.
Did you disconnect?
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Old 03-26-2010, 08:52 PM   #9
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1)31's will fit nice but don't leave alot of flex room, a 2"-2.5" will work nice. My rule of thumb is if it's your DD and you do mild offroading you should lift your jeep for however bigger tires you add. For example I went with 31's 2" in Dia bigger and a 2" BB to keep stock wheel well room. When you do wheels and tires pay attention to weight I had 245/75R16 BFG and 16" Soft 8's. I switched to 31's with 15" Soft 8's they are 10lbs lighter each wheel and tire combo therefore it helps save on mpg and some power.

2) a motor mount lift is reccommended with a BL but you do not need it all up to you. Also I found more modification is needed with the 6spd tranny with a BL because it CAN prevent shifting into R, 2, and 4th gear.

3) I have the 2.4l 6spd with 31's and a 2" BB I get around 24mpg sometimes less.

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