Noise level from Goodrich KM2

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Originally Posted by noogie

I have a set of 255/85/16s km2s on my deefer and love them.
I don't find them very noisy at all.
For me traction is more important than noise anyhow.

Excellent traction offroad and I've had them on a long road trip and find they are terrific on the black top also.

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x2

In agreeing with the above I did notice the BFG are quieter than my old half worn XZL's. But in the ends muds are muds generally; half worn they are pigs to balance and tend to get noisy, just live in hope the BFG's dont.

I had a set of 255/85-16's KM2's that I bought pre-loved. About 50-70% worn.
Ran them for about 15K km's before replacing them with a set of new ones.
The only noticeable thing with the new ones was that they moved around on the tread blocks a bit more on sealed roads (and obviously had more tread depth and traction off-road). I didn't notice any major change in noise level between old and new and if anything the new ones required a few more more balance weights on them.
Very happy with them and I'll have another set if they are still available when these ones are dead.

I had Maxxis Bighorns on my D1, and they were reasonably quiet when new but definitely got louder as they got older.

Steve

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Originally Posted by steveG

I had a set of 255/85-16's KM2's that I bought pre-loved. About 50-70% worn.
Ran them for about 15K km's before replacing them with a set of new ones.
The only noticeable thing with the new ones was that they moved around on the tread blocks a bit more on sealed roads (and obviously had more tread depth and traction off-road). I didn't notice any major change in noise level between old and new and if anything the new ones required a few more more balance weights on them.
Very happy with them and I'll have another set if they are still available when these ones are dead.

I had Maxxis Bighorns on my D1, and they were reasonably quiet when new but definitely got louder as they got older.

Steve

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Steve, did you keep them rotated? Just wondering if that is the difference between the tyres that get noisy as they age and those that dont.

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Originally Posted by Slunnie

Steve, did you keep them rotated? Just wondering if that is the difference between the tyres that get noisy as they age and those that dont.

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Yes, I bought the 5 Bighorns at the same time and rotated them every 5000km's.

I don't think the used set of KM2's that I bought had been rotated as 2 of them had noticeable wear on one side, and generally more wear than the other two.

Steve

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Originally Posted by haggisbasher

Keep em coming......

Noogie.... are you ever up Kyneton way... would love to have a sticky at the 255s..... I can come down to Gisborne too as it isn't too far. My wife used to work at the public library there....

Ta to all

Chris S

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No I don't get up to Kyneton mate.
I'm heading out for a final reccy trip in Blackwood next weekend 13th October if you'd like to join us. Or just drop around my place anytime.

Call me on mobile 0411234522

cheers
Mick
:)

Mick..

might have to have a buzz down to Gissy sometime then. Would love to come out on Saturday but alas we have to go into the big smoke to see some friends. MAybe next time!

Thanks

Chris S....

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Originally Posted by Slunnie

Steve, did you keep them rotated? Just wondering if that is the difference between the tyres that get noisy as they age and those that dont.

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Quote:

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Originally Posted by steveG

Yes, I bought the 5 Bighorns at the same time and rotated them every 5000km's.

[snip]
Steve

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Yep, 762's howl when worn and I've rotated them reasonably well.
I'm about to fit a new set to the Deefer. (I was hoping 764's may have turned up, but not yet available in 255/85's)

Just a quick update on the tyre dilema. I have landed on a good price for some 33x12.5 r 15 Goodyear Duratracs. Local tyre co came up witht he goods for me. MAnaged to also score a used (but good) STmaxx 285/75r16 for a spare at a brilliant price so have 5 decent rubber hoops soon.

Thanks for all the replies and hope to see you all on the road soon. WIll also let you know how they go!

CHris S

PS...yeah yeah... will do before and after pics... and will be selling the BFG muddies 32x11.5 r 15 so please PM if you want them:)

Chris,

You mixing 15" and 16" wheels?:eek:

A very small difference in rolling diameter will be VERY bad for your drive train. That being the main reason for recommendations to change both tyres on the same axle at the same time...

Quick check with a tape measure round the outside of the tyre and you shouldn't be out by more than around 15mm on any of the 5 (already a bit much.)

That said, if the rolling diameter turns out to be close I suppose there not too much wrong with it...

Cheers,

Lou

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Originally Posted by Loubrey

Chris,

You mixing 15" and 16" wheels?:eek:

A very small difference in rolling diameter will be VERY bad for your drive train. That being the main reason for recommendations to change both tyres on the same axle at the same time...

Quick check with a tape measure round the outside of the tyre and you shouldn't be out by more than around 15mm on any of the 5 (already a bit much.)

That said, if the rolling diameter turns out to be close I suppose there not too much wrong with it...

Cheers,

Lou

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On an open diff, a small variation mechanically shouldn't hurt, just like doing a single spinning burnout the whole trip. AWhen I was younger and more silly, after staking a tyre I once had to drive (albeit slowly) to the servo with a 31 as a spare and 36in swampers on the other 3. It drove fantastically! :angel:

Whether it confuses the traction control or not though could be an issue....too bigger variation should definately continuously trigger it, which would be hell on te car.

Rob