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Old 12-01-2017, 01:44 PM #1
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BFG KO2 Specific Question
Staying away from the earlier argument of BFG KO2's and their traction in rain and snow, here's a question for the owners out there on said KO2's.

Do you get any "bounce" up and down at high speeds? I understand there'll be vibration,..but i get a noticeable up-and-down vibration around 60mph.

Thanks for any info.
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Old 12-01-2017, 01:56 PM #2
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I haven’t had that on mine, have about 12k miles on them.
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Old 12-01-2017, 01:57 PM #3
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Quote:
Originally Posted by zerowkul98 View Post
Staying away from the earlier argument of BFG KO2's and their traction in rain and snow, here's a question for the owners out there on said KO2's.

Do you get any "bounce" up and down at high speeds? I understand there'll be vibration,..but i get a noticeable up-and-down vibration around 60mph.

Thanks for any info.
No bounce. In my experience, with proper balance, there shouldn't be vibration either, just more noise compared to stock.
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Old 12-01-2017, 02:01 PM #4
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if you're getting bounce your tires are overinflated or you need new shocks
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Old 12-01-2017, 02:05 PM #5
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I doubt the shocks are toast. Thanks for the info tho.

The aggressive tread wouldnt cause the up and down jiggle?
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Old 12-01-2017, 02:16 PM #6
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No. The flex in the agressive tread blocks will make your steering feel more vague, and definitely change the car handles and feels. But there should be no up down vibration coming from the tires. I agree with the above post: your tires might be over inflated.

Have you gotten this problem on a wide variety of roads? Since I changed my suspension and tires, I've found some improperly paved roads where constant up/down movement is more noticeable with my new setup.
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Last edited by lbro23; 12-01-2017 at 02:19 PM. Reason: Clarification
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Old 12-01-2017, 02:18 PM #7
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Quote:
Originally Posted by zerowkul98 View Post
I doubt the shocks are toast. Thanks for the info tho.

The aggressive tread wouldnt cause the up and down jiggle?
no, the tread would have nothing to do with it unless they are cupped or something (which is a sign of alignment/suspension problems)



what pressure are you running your tires, and do you have C or E tires (and what size)?
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Old 12-01-2017, 03:22 PM #8
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There was no bounds or vibration with my stock rooms that have the duelers on them. It just had it’s 15,000 mile service, and I’m sure they would’ve told me if the shocks are leaking.

I haven’t looked on the side of the wheels yet, but is there a certain pressure that you would recommend?
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Old 12-01-2017, 03:26 PM #9
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i assume 265 tires? are you C or E load class?

i keep my C tires between 37 and 39

if you haven't checked your tire pressure, it's possible they are still overinflated from when they set the bead
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Old 12-01-2017, 03:47 PM #10
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I also put those tires on the black TRD rooms. Do those wheels require a center ring? I would imagine that because they are Toyota brand, that they don’t require anything of that sort
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Old 12-01-2017, 04:03 PM #11
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those are fine

honestly you shouldn't spend any time worrying about this until you check your tire pressure
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Old 12-01-2017, 04:03 PM #12
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.......what load range are your tires & what psi are you running?
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Old 12-01-2017, 05:08 PM #13
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Forgive my ineptitude, but where do I see if they are C or E?
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Old 12-01-2017, 05:26 PM #14
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Hit speeds up to 90 on the highway occasionally and they ride very smooth and surprisingly quiet(ish)
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Old 12-01-2017, 05:29 PM #15
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Just looked...theyre E range.
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