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2.5-3" Lift, No Other Mods - Safe Tire Size?


This is a discussion on 2.5-3" Lift, No Other Mods - Safe Tire Size? within the Tires / Wheels forums, part of the Jeep Liberty - KJ (02 to 07) category!
Continuing my hours of reading, I found these two (2) posts to be helpful with my question, but didn't hit ...

Questions about wheels and tires.


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Old 02-23-2017, 09:53 PM   #1 (permalink)
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Default 2.5-3" Lift, No Other Mods - Safe Tire Size?

Continuing my hours of reading, I found these two (2) posts to be helpful with my question, but didn't hit my specific need-to-know:

>>> Rookie needs help with tires/rims before I make a costly mistake

>>> 245/75-16/2.5" lift/pinch weld rubbing question

I'm looking for guidance on this ...

With:
- The recommended 2.5-3" lift (will never go any higher)
- No pinch weld modification
- No Fender Liner modification or other trimming
- 3.73 gears, no plans on changing
- Preferred no rubbing, insignificant rubbing acceptable
- Assume Tire Selected will be BFG's AT T/A KO2's

> What is the optimal Tire Size on stock 16x7's?
> What is the optimal Tire Size on Rubicon 16x8 MOAB's?

Caveats:
I'd accept an answer that the MOAB rim is not an option (mine would just be for sale afterwards). I'd accept an answer to stick with the factory tire size of 235/70-16 (just looking to max the potential possibilities).

Also, just to mention, I'm not against the mods mentioned here at all - good stuff, just not in "my" particular plans with this KJ.

Last edited by OxLibertySport; 02-23-2017 at 10:16 PM.
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Old 02-23-2017, 11:09 PM   #2 (permalink)
 
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It's pretty hard to tell...as every KJ tends to be slightly different. I rub my 265/70s on moabs with 4" of lift, while others do not.

Right off the bat I would say skip the Moabs due to the extra inch in width. That's where the pinch weld kills you. If you modify the pinch weld, you should have zero problems with the wheels. It's not a hard nor dangerous modification whatsoever. Best tire size here would more than likely be 255/70 or 245/75 (The latter with minimal sidewall protection...not ideal). I wouldn't recommend 265/70s due to my slight rub with 4" of lift.

I would guess that your best bet would be 245/75/16s on stock wheels. You MIGHT rub a little bit...but shouldn't be much if any. Without the extra inch in width of the tire you will clear fenders and what not much easier. Other, smaller options to consider would be 215/85 (skinny and tall), 235/75 (kinda skinny, but shorter), and 245/70 (the least skinny, but the shortest)...but my recommendation would be to try 245/75s.

Keep in mind that the BFG tire might have a wider tread area, making it more susceptible to rubbing in WIDER sizes, as opposed to skinnier sizes.

Addition: I don't have much experience with the stock wheels...but with their high backspacing, you may see more rubbing towards the inside of the fender rather than the outside, AKA the sway bar and the likes.
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Old 02-24-2017, 04:42 AM   #3 (permalink)
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245/75 has better options in off-road style tires, 255/70 mostly has Street and all terrain styles 235/85 fit on mine fine at 3" tall narrow tires but they were commercial AS tires off the back of my dualie lol

My 255s were weak in the sidewall department that was my biggest complaint with them. Other than that they were great tires, i replaced them with 245 m/ts then with 31x10.5 generals, I've never had rubbing issues except with the 255s with 3" lift and running spidertrax spacers it rubbed the fog light access doors but it wasn't bad , which is fixable
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Old 02-24-2017, 06:43 AM   #4 (permalink)
 
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x2 on the above.

I have 245/70/17s which are the same as 245/75/16s, with about 2.5" of lift, and no rubbing. Had to trim the air dam and the front of wheel wells a bit, but left the pinchweld alone. I actually just passed on a set Moabs for these reasons....thought they'd create some problems for no benefit (I like my stock wheels just fine).
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Old 02-24-2017, 09:43 AM   #5 (permalink)
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Originally Posted by OxLibertySport View Post
Continuing my hours of reading, I found these two (2) posts to be helpful with my question, but didn't hit my specific need-to-know:

>>> Rookie needs help with tires/rims before I make a costly mistake

>>> 245/75-16/2.5" lift/pinch weld rubbing question

I'm looking for guidance on this ...

With:
- The recommended 2.5-3" lift (will never go any higher)
- No pinch weld modification
- No Fender Liner modification or other trimming
- 3.73 gears, no plans on changing
- Preferred no rubbing, insignificant rubbing acceptable
- Assume Tire Selected will be BFG's AT T/A KO2's

> What is the optimal Tire Size on stock 16x7's?
> What is the optimal Tire Size on Rubicon 16x8 MOAB's?

Caveats:
I'd accept an answer that the MOAB rim is not an option (mine would just be for sale afterwards). I'd accept an answer to stick with the factory tire size of 235/70-16 (just looking to max the potential possibilities).

Also, just to mention, I'm not against the mods mentioned here at all - good stuff, just not in "my" particular plans with this KJ.
with those perimeters
245-70-16s on stock wheels
255-70-16s on the Moabs
guaranteed no trimming/ not much if any loss of power since you're staying stock gearing
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Old 02-26-2017, 01:38 PM   #6 (permalink)
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Originally Posted by dude1116 View Post
It's pretty hard to tell...as every KJ tends to be slightly different. I rub my 265/70s on moabs with 4" of lift, while others do not.
I agree ... reading through now 100's of posts, it seems there are always multiple answers / experiences.


Originally Posted by tommudd View Post
with those perimeters
245-70-16s on stock wheels
255-70-16s on the Moabs
guaranteed no trimming/ not much if any loss of power since you're staying stock gearing
So, in case I don't sell/trade out of my MOAB's, to confirm - "255-70-16" is the safest tire size with no trimming, hammering, or re-gearing?
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Old 02-26-2017, 01:57 PM   #7 (permalink)
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Originally Posted by OxLibertySport View Post
I agree ... reading through now 100's of posts, it seems there are always multiple answers / experiences.




So, in case I don't sell/trade out of my MOAB's, to confirm - "255-70-16" is the safest tire size with no trimming, hammering, or re-gearing?
with 2.5-3 inches of lift should not be.
with 2.5 inches and 265-70-16s I had to do pinch weld, wasn't touching but too close for me and do light trimming in front
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MUDD'S MOTORSPORTS
WE DO IFS LIFT INSTALLS
04 Kilimanjaro Edition
4.5 INCH JBA LIFT/ 32s/4.10s/ etc
03 OVERLAND EDITION, Timberline Green Pearlcoat, JBA 2.5 inch Total Control Lift, Kilby gas tank skid, Skid Row, 4XGuard mixture, MOABs, 265-70-16s, 4.10s, Mudds bumper
05 Limited/stock for now
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Old 02-28-2017, 06:38 PM   #8 (permalink)
 
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with my 255/70 16s on 16x7 cragars with 4' bs i had to do some trimming, also a regear is not needed but noticable power mpg loss and trans gets confused around 45-50 mph....nothing that would REQUIRE a regear for a DD but i am doing it as it will be beneficial....but will also probably up my tire size then also

still get very minor rubbing in reverse while turning. pinch welds also needed pounded
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Old 02-28-2017, 06:56 PM   #9 (permalink)
 
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Running 245/75/17 with stock 5 spoke 17" wheels and 2 1/2" lift. Barely hit inner wheel liners which I trimmed.


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Old 02-28-2017, 08:29 PM   #10 (permalink)
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Originally Posted by Dave View Post
Running 245/75/17 with stock 5 spoke 17" wheels and 2 1/2" lift. Barely hit inner wheel liners which I trimmed.


Dave
Having a harder time than I thought moving my MOAB's - might end up using them.

So, with 255-70-16's - on 16" MOAB's - what's the unmodified pinch weld rubbing potential? I could even stand to go down another size if there's a potential. I'll have at-least a proper 2.5" lift installed before.
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