had this question for a while had lots of different answers you tell me...

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02 Jeep TJ Sahara, 33's locked up front
03 SAS KJ 0n 35ish boggers(Sold )
Petersens 4wheel: http://www.4wheeloffroad.com/featuredve ... index.html

Conventional Wisdom says that the 12.50 should go on at least a 8" wide wheel, even if the manufacturer will tell you that they have to go on a rim that is at least 8.5" wide. It seems that many 12.5" tires are measured on 10" rims.

Some people from another board with much more experience than I have have told me that 8" is the narrowest for a true 12.5" tire. Any narrower would cause poor wear, if nothing else. It looks like the tire would wear the center out.

I'd also check the specs of any tire I wanted to run to see its actual specs. There is a lot of variance in tires that are supposedly the same size. You could also run the metric version, which is generally narrower. The 285/75/r16's on my '79 are 33" tall, but only about 11.5" wide.

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LOST # 633
'05 KJ 3.7L/6spd/241 245/75/16 MT's
'88 MJ 4.0L/AW4/231 SWB HPD30 & trac-loc D44 w/3.73's
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most will say 10 inch but you could get by with 8s on some of them

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You will need a 8" rim at least.A 12.50" tire will work best if offroading on a 8" rim and hold the bead better if aired down.

I have a set of 35x13.50's mounted on 15x8 rims waiting to go on my KJ.

that's was my next question...a 1350 on a 8"...i have some 15x8 buy i want to get some cheap rollars...i know someone who is selling some and thought about getting them?

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02 Jeep TJ Sahara, 33's locked up front
03 SAS KJ 0n 35ish boggers(Sold )
Petersens 4wheel: http://www.4wheeloffroad.com/featuredve ... index.html

35X13.50R15 Toyo Open Country MT's mounted on 15x8 Unique Steel seris 297 rims..............


Looks good and I'll be able to air way down on the trails with the 8" rim,but most steel 15x8 rims actually measure closer to 8.5" if not 9".

ok good...sounds like a plan...after i upgrade axles i want to go with a 34, maybe, depending on flex

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02 Jeep TJ Sahara, 33's locked up front
03 SAS KJ 0n 35ish boggers(Sold )
Petersens 4wheel: http://www.4wheeloffroad.com/featuredve ... index.html