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  • 8" VS 10" rims

    I'm curious what people think about what the best rim width is to use with 33X 12.5 tires. I've heard people say a 10" rim is better because it gives a wider stance. Others say a 8" is better because it holds the tire on better at low tire presures.

    My plan is to upgrade from a 2"BB with 32's on 7" rims to a 3" lift with 33"X12.5"
    I'd appreciate the input.

  • #2
    Well, it sounds like you've already heard both sides of the argument. Just decide which is more important to you. Good luck with your decision. I'm on 33x12.50's now with 10" wheels and can't decide to go to an 8" or a 10" when I go to 35's.

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    • #3
      Right now I am running an 8" wide wheel with a 12.5" wide tire. I have not had any problems and the tire does stay on better on the narrower rim.

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      • #4
        I run 33x12.5's on a 10". The 10" should be IMO used on tires 12.5"+ (I know they make 14" tires but 99% wont ever go there), and 9.5-11.5 on 8" rims.

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        • #5
          You won't have any problems either way that you go. Some people prefer the look a bit better of 10's, but that's purely personal opinion. Do you have any laws in your state regarding tires sticking out from under the body? If so, 10's will definately stick out further.

          Either way, you'll be fine. I personally would not go wider than a 12.50 on 8" for heavy street use, but the 12.50's are fine on 8's.

          Take a look at a bunch of pictures of different Jeeps with different wheels. See what looks good to you & fits your budget.
          Last edited by EvilTwin v2; 07-18-2005, 05:59 PM.

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          • #6
            i ran 10" on my 35x12.5 never popped a bead running 10psi and i dont ride easy!

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            • #7
              I'm running 33x12.50x15's BFG's on Baja 15x10 rims. I air down to 8 psi when off road. The last time out, I chipped both rims on the right side. The BFG's have ridges to protect the rim, but I believe that since the rims are 10" wide, the rim is exposed to rock damage. The rims were damaged bad enough that they need to be replaced.

              I love the look of the rims, so, I am going to go with 35x14 tires! Hope that helps prevent rim damage!

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              • #8
                wheels

                While we are on the subject... My cj5 has the dreaded narrow trac axles and with the lift and the 35's its feels a little unstable at highway speeds. I am currently running on 35x12.50x15 on 10 inch rims. I need a set of rims thatll make my tires stick out farther for stability. I had thought of using those spacers but I think having the wheels mount right up to the hubs is safer. I just want some black steel 10 inch wheels. Whats the least amount of backspacing I can have and still be safe? And where can I get some wheels like this at a college-student budget price?

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                • #9
                  Originally posted by 80cj5
                  While we are on the subject... My cj5 has the dreaded narrow trac axles and with the lift and the 35's its feels a little unstable at highway speeds. I am currently running on 35x12.50x15 on 10 inch rims. I need a set of rims thatll make my tires stick out farther for stability. I had thought of using those spacers but I think having the wheels mount right up to the hubs is safer. I just want some black steel 10 inch wheels. Whats the least amount of backspacing I can have and still be safe? And where can I get some wheels like this at a college-student budget price?
                  What do you consider highway speed? If you're talking 70-80mph, then save your money and slow down. I don't care what you do with width, a CJ5 on 35's isn't going to become magically more stable at those speeds. The short wheelbase is as much your problem as anything. CJ5's weren't made for highway speeds. Sorry to be the bearer of bad news.

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                  • #10
                    Originally posted by EvilTwin v2
                    What do you consider highway speed? If you're talking 70-80mph, then save your money and slow down. I don't care what you do with width, a CJ5 on 35's isn't going to become magically more stable at those speeds. The short wheelbase is as much your problem as anything. CJ5's weren't made for highway speeds. Sorry to be the bearer of bad news.
                    Well the highway speeds I was talking about would be 60 to 65mph. But also I would like the added stability for wheeling around over rocks and whatnot. Wider is better, right?

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                    • #11
                      Originally posted by 80cj5
                      Well the highway speeds I was talking about would be 60 to 65mph. But also I would like the added stability for wheeling around over rocks and whatnot. Wider is better, right?
                      Wider can be better for trail, but at the cost of ability to hit really narrow, twisty trails. It's not going to be as huge a factor as length of wheelbase for highway, though.

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                      • #12
                        I went with 33X12.5X15" Remingtom Mud Brutes (Load range C) because I like the flexible sidewalls. I mounted them on 15X8 rims for that purpose. It's pushing the limits for 8" rims, but you can't beat them at low pressure for sidewall flex.

                        The only time I ever rolled a tire off a rim was a 11X15 bias ply Protrac on a stock Jeep wagon wheel at 6 psi (w/o bead locks) in 8F weather. We were close enough to the world to haul it out, clean the bead & remount it. Starting fluid is a great way to reseat a tire bead (watch your nose hairs & muzzies).

                        Running 10 to 15 psi with good rubber & rims is usually the limit.


                        gj

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