So I'm running 35" x 12.50 " BFG KM2's with RC 2.5 inch lift, however I feel my wheel balancing

still could be better, granted it's much MUCH MUCH better than when I first got those wheels

on. I just don't know what sort of reasonable expectations I should have regarding ride quality

(this is my first lifted Jeep) . It has the most wobble approx 45 - 50 mph, which by this indication

all others this is a balancing problem (yes the alignment has been checked). I've been told that

the only way to get them as close to perfect as you can get is by "Road force balance" but the

Jeep is still very drivable and the wobble really isn't a safety issue, I guess I'm just being a

perfectionist. Can anyone advise, or should I just shut-up and drive it the way it is?

 

I get a little shimmy between 50 and 55. Have had my tires balanced two times now by 2 different shops. They both claimed one of the wheels were bad. But when I ordered my spare. I replaced the wheel that they were having problems with. And nothing changed. Still get a little shimmy at the same speeds. I wasn't going to keep throwing money into it to make it right. Now I'm just used to it. When you get to 35'' and up they are hard to get just right. Some people get lucky I guess.

 

I have had a number of rigs with 35" and larger tires... I have never had a set that didnt have a vibration that would appear at some particular speed. I have tried dynamic balance and static balance and even the beads that you put into the tires. A road force balancer would yield the best results. You have to take into consideration the type of tires that you are running as well. My current rig has 37" Trxus m/t's with beads inside to balance...at most speeds the ride is smooth or has a slight shimmy. 35-45 mph I sometimes get a really severe wobble/shake that is quite uncomfortable. I just accelerate through to smooth it out and write it off as one of the trade offs to running a large mud tire.

 

Yea, I've been running these tires for almost a year now... and have had several shops balance, and like frank said, they both told me either the rim was bad or the previous shops balance job was bad.. granted its completely livable.. but if road force balancing would make it smoother, i'd do it.. I was just curious the other ride qualities people are getting out of their JK's

 

i've heard of the bead balancing method... would you recomend that over standard balancing?

 

There is a thread discussing bead balancing and a couple of users claimed very positive results.

In your original post you use the word "wobble". There is a big difference between a wobble (lateral movement) and imbalance (vertical movement). The causes and the ramifications are very different.

I am a stickler for suspension, steering and tires so I always pay attention to these parts of my Jeep. My 35s have no vibration or wobble at any speed that is not caused by the knobby like effect of riding at 35 psi at lower speed. At 40+ MPH my riding is completely smooth for an MT tire.

By all means have your tires dynamically balanced, but be aware of other possible problems.

 

It sounds more to me like a tire that's not seated on the wheel correctly.

 

So in the summer I was watching the tire from my driver seat with the doors off.. it was making a side to side movement if one were looking down upon it

 

What should I be looking for as tell tales then, I'm not sure how to interpret the different vibrations when driving, also is there a difference in having your tires dynamically balanced and road force balanced?

 

Low speed wobbles (such as yours) are never balance issues. They are bent wheels, separated tires, out of round tires, bent axles, or what I mentioned, a tire not seated correctly. Balance issues are at highway speed and will not be felt at low speeds. Take it to your tire shop and have them spin each one up on the balancer. Look closely at the outside lip of each wheel in relation to the sidewall of the tire where it meets that wheel lip. If the two are spinning pretty much in tandem, all is well. But if the tire seems to "wobble" separately from the wheel, then it's not seated correctly. Here's how you fix that. deflate the suspect tire. Have them break it down on both sides of the wheel. Then, lubricate the PISS out of both sides of the tire's beads and turn the tire 180 degrees on the wheel. Then have them blow it back up to it's max rated pressure and back down to where you run it. The lubrication part is VERY important. This will assure that the tire is properly popped and seated on the wheel as it should be.