Hey guys I bought a set of new 35x12.5x18 Mud Grapplers and I'm wondering if they are going to be ok on the set of used 18" Moabs rims that I just got. The sticker says that the tires need to be on 8.5" to 11.0" rim and the Moabs are only 7.5"s wide. Any thoughts on this?
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Nitto Mud Grapplers
- Thread starter Cody90XJ
- Start date
emr1101
NAXJA Forum User
- Location
- Raleigh, NC
Moabs that are 18"? if they are 35s i would think you will be okay though
razdrvr
NAXJA Forum User
- Location
- Red Oak, TX
You can probably mount them up no problem, I would think pulling the sidewalls in that far would cause you problems down the road.
selarep
NAXJA Forum User
- Location
- Central CA
Moabs are 16" and 17" on the newer JK's. Not 18".
Ok, I got the rims from a guy on craigslist. The info I got was that they are 18x7.5. Comparing them to my 16" rims it looks correct. I never put a tape measure to them. I may be calling them the wrong name. He said they came off his TJ. I can email someone a photo if they can host it for me to show everyone what I am talking about.
seven
Subluxation Based
- Location
- Ogden southside
I see this ending badly.
Reminds me of a high school friend that showed up with blinging 5 lug rims and new mud tires to run on his Chevy 1/2 ton 4wd in the back of his truck that he had bought on clearance sale in a town 4 hours away. He was stoked until I asked him to count the lugs on his truck now and then count the lugs on his new bling. He was mad because whoever he bought them said they would fit a 1/2 ton chevy. And truthfully they would fit a 2wd chevy (5 lug) but not a 4wd Chevy(6 lug).
Moral of story: never trust anyone when buying something, especially when a good deal.
Reminds me of a high school friend that showed up with blinging 5 lug rims and new mud tires to run on his Chevy 1/2 ton 4wd in the back of his truck that he had bought on clearance sale in a town 4 hours away. He was stoked until I asked him to count the lugs on his truck now and then count the lugs on his new bling. He was mad because whoever he bought them said they would fit a 1/2 ton chevy. And truthfully they would fit a 2wd chevy (5 lug) but not a 4wd Chevy(6 lug).
Moral of story: never trust anyone when buying something, especially when a good deal.
89heepxj
NAXJA Forum User
- Location
- InchTown WA
Look inside the rim. The size should be engraved on the inside. Somw where one the part the tire will cover.
uber xj
NAXJA Forum User
- Location
- Tacoma, WA
Mounting that wide of a tire on that narrow of a wheel WILL cause significant tire wear issues down the road.
Boostwerks.com
NAXJA Forum User
- Location
- Colorado
It's a 17" wheel. In for the confirmation. 
You might as well try and return the tires for the right size. Most will let you return them if they've never been mounted.
You might as well try and return the tires for the right size. Most will let you return them if they've never been mounted.
It's a 17" wheel. In for the confirmation.
You might as well try and return the tires for the right size. Most will let you return them if they've never been mounted.
Ok let me explain again the question is about the width not the diameter. The tires that are the rims right now are 275/75/R18's. Also again I may be calling the rims by the wrong name. They look Very similar to the Moabs that are on the JK's 16"/17" only these are 18" and have a little raised portion in between the spokes. I bought these rims because they look good and they are on craigslist all the time. If I jack one of them up I can buy another one cheaply. I think I am going to have them mounted up and if it's just messed up I will buy another set of rims that are wider.
eace:veedubshafer
NAXJA Forum User
- Location
- Palmerton PA
why would you run 18's on an XJ ... unless you're like this guy:
POLAR_JEEP_04
NAXJA Forum User
- Location
- Ohio
whats the backspacing? a stock rim with 12.50"s will rub the leaf springs
slowjeep
NAXJA Forum User
- Location
- imperial valley
not really, I did it
Ok, we have a winner. Those are the rims that I have. I bought some spacers to make sure the tires don't rub on anything.
ipkyss
NAXJA Forum User
- Location
- Hampden, MA
Everyone in the world runs a 12.50 tire on a 8" wheel. Thats the normal thing on a jeep. Even more so if it gets wheeled. So I would say the 1/2" less will not kill you. You will have to run the pressure low to get a go contact patch. Somewhere in the 20-25lb area. Expect the center of the tire to wear out faster than the edges, but thats about it. You would be better off with a 9" wheel, but it will work
Ok this is more of what I was thinking. I'll get them mounted up and figure out how to post pictures on a website again.
So heres how they turned out. I still haven't trimmed the fenders or finished the bumpstops but, so far they work great in the field behind the house. The side walls don't seem to be bulged to far. More pics tommarow. It also looks to be riding pretty high right now. This was just after I got it off the lift so it settles down after a bit.
- Location
- Billings MT/Rapid City SD
wow, I was going to say just mount the stupid things, it will be fine but you already did that. them are some loud tires, hear they rock the snow though.
TheWhiteHO
NAXJA Forum User
- Location
- Indianapolis, IN
Looks pretty damn good man. How much lift do you have?
