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Old 02-02-2016, 09:31 PM
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Join Date: Jul 2015
Posts: 32
Need advice from the elders...

Bought a set of Firestone Destination ATís. Stock size.

Poorly balanced. Very poor. Returned Jeep for a day for let them fiddle with it. They replaced two. Better, but not good. Took it to a place that has a road force balancer; better under 60, worse over 60. Like... the whole vehicle jiggles and the mirrors are bouncing around. Uncomfortable to drive.

Back to tire place. They will replace them with something else no hassle but the guy said he spent two hours indexing them and promised they're round. Said I won't like BFG K02's if I don't like the Destination AT's. I tried to tell him that they're quiet and I like them, they're just not balanced or they are octagonal or something.

Tire can still be round and have a heavy spot in it, right? I mean, you can only balance a tire exactly proper for one speed. Am I crazy here or is he just trying to get me to buy a Michelin highway tire that he knows will be round?


Anyway, they will replace them no hassle with something else.
I can get:

BFG K02 265/70/17 - 1cm shorter
BFG K02 275/70/17 - Touch bit taller, 20mm wider (Will these fit?)
Bridgestone Dueler A/T Revo 2 - stock size, 255/75/17


The only "problem" I have is these are all LT rated tires vs. the P-metric's that are on there now so they are concerned I wonít like them because of the harder tire. But again, I don't think they understand that I dislike the ride of the tires I have, they're just vibrating like a massage chair above 60 - Which I do not believe any modest AT tire should be doing. Am I wrong? What would you do?


Any input or thoughts is highly appreciated!


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Old 02-03-2016, 08:30 PM   #2
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Location: Lexington
Posts: 224
Quote:
Originally Posted by Underoo View Post
Bought a set of Firestone Destination ATís. Stock size.

Poorly balanced. Very poor. Returned Jeep for a day for let them fiddle with it. They replaced two. Better, but not good. Took it to a place that has a road force balancer; better under 60, worse over 60. Like... the whole vehicle jiggles and the mirrors are bouncing around. Uncomfortable to drive.

Back to tire place. They will replace them with something else no hassle but the guy said he spent two hours indexing them and promised they're round. Said I won't like BFG K02's if I don't like the Destination AT's. I tried to tell him that they're quiet and I like them, they're just not balanced or they are octagonal or something.

Tire can still be round and have a heavy spot in it, right? I mean, you can only balance a tire exactly proper for one speed. Am I crazy here or is he just trying to get me to buy a Michelin highway tire that he knows will be round?


Anyway, they will replace them no hassle with something else.
I can get:

BFG K02 265/70/17 - 1cm shorter
BFG K02 275/70/17 - Touch bit taller, 20mm wider (Will these fit?)
Bridgestone Dueler A/T Revo 2 - stock size, 255/75/17


The only "problem" I have is these are all LT rated tires vs. the P-metric's that are on there now so they are concerned I wonít like them because of the harder tire. But again, I don't think they understand that I dislike the ride of the tires I have, they're just vibrating like a massage chair above 60 - Which I do not believe any modest AT tire should be doing. Am I wrong? What would you do?


Any input or thoughts is highly appreciated!
Underoo:

I owned a tire shop for 12 years, I only mention it so you will know I have experience dealing with the very same issues you are talking about. How many miles are on this Jeep? I have seen instances where an issue like what you are describing is actually being caused by a worn/loose suspension/chassis component, even on newer vehicles that you wouldn't expect it on.

Before you go with a different set of tires I would do the following.

Rotate the tires front to rear, rear to front. Does the vibration move?

You stated that the whole rig is vibrating. Typically, if the issue is in the front tires, your steering wheel will vibrate/shake. If the issue is in the rear tires then you usually get body/floor board vibration, like you are describing.

If the vibration doesn't move then, based on everything you have already done, I would start looking at suspension/chassis components that may have failed or worn out.

As far as your other tire options, I am biased towards BFG, the 265/70 is a substitute for 255/75. If you are questioning the quality of the Firestone just be aware that Bridgestone/Firestone is basically the same company so you may want to stay away from the Bridgestone.

Shoot me a PM if you have any questions, I'll try to help the best I can.

Good Luck, these things can be frustrating, as much for the tire guys as for the vehicle owner!

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Old 02-03-2016, 08:54 PM
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Join Date: Jul 2015
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Hey appreciate the comments. Jeep absolutely rode like a dream up to 85mph before I got new tires. (I'm looking for someone in town that has an extra set laying around I can bolt on and test)

I went to the dealer and drove one with the BFG's. I don't think I want something with an LT/E rating. I really want to make the destinations AT's work.

Prior to the road force balance at shop #2 it was rougher at 45 and smoother at 60+ Post-RFB it's smooth to 60 and then things start falling apart. The engineer in me things we've just moved the noticeable affects of an oddball tire or two by moving the wheel weights.


Crappy balance? How hard is it to use that machine? I watched them do it. Attach tire. Push button. attach weight on laser. push button. repeat.
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