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russgreenman



Member Since: 05 Jun 2015
Location: Wiltshire
Posts: 13

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Zermatt Silver
BF Goodrich Mud terrain noise comparison
Dear all,

I am a new member here, and have spent many an hour of late viewing many topics!

I have a 2010 DCPU, and love it. However it is running on BFG mud terrains, and I must admit I find them very noisy.
I am looking to change them for an all terrain tyre, such as continental cross contact at‘s.

My question is, are they likely to be noticeably quieter than the mud terrains? I am not after a silent ride of course, but these do seem to hum considerably!

Any input very much appreciated.

Russell
Post #810868 18th Jan 2020 5:00pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7664

2011 Defender 110 Puma 2.4 USW Stornoway Grey
Yes Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop
Post #810869 18th Jan 2020 5:03pm
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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3605

United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
Yes! Difference between AT and MT is very noticeable. The cross contacts are not the most aggressive AT tyre and as a result are actually very quiet. You’ll notice a massive difference going between these 2.
Post #810871 18th Jan 2020 5:09pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19452

United Kingdom 
What MT generation are we talking KM2 or KM3? Tyre width is also a factor to noise production. Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #810874 18th Jan 2020 5:19pm
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russgreenman



Member Since: 05 Jun 2015
Location: Wiltshire
Posts: 13

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Zermatt Silver
Thanks for your replies, and your answers confirmed my thoughts.

They are 235/85 16’s, unsure of what generation of MT they are. It says Mud - Terrain T/A if that’s any use. They have loads of life left in them, are they of use to anyone? They may be available on boost alloys in the near future!

Many thanks indeed.

Russell
Post #810884 18th Jan 2020 6:07pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7664

2011 Defender 110 Puma 2.4 USW Stornoway Grey
post up a picture, we will be able to tell the model.

i fitted a set of KM3 to replace 2 last last year and commented on here on noise at the time.

Conti Ats are much quieter than BFG Ats which are quieter than KMs.

Conti Ats are ok as an AT but i find the BFG AT a better tyre for colder conditions and the grassy field scenario over the Conti AT. yes i am running Defenders with both fitted at the moment, and two others with KMs for that comparison too. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop
Post #810886 18th Jan 2020 6:27pm
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russgreenman



Member Since: 05 Jun 2015
Location: Wiltshire
Posts: 13

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Zermatt Silver

Click image to enlarge

These are what I have currently... and I see now they are KM2’s
Post #810984 19th Jan 2020 1:07pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5408

2006 Defender 110 Td5 USW Zermatt Silver
KM2. It’s written on the side. . Thumbs Up Thumbs Up
Post #810987 19th Jan 2020 1:22pm
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Supacat



Member Since: 16 Oct 2012
Location: West Yorkshire
Posts: 11018

United Kingdom 2013 Defender 110 Puma 2.2 XS DCPU Keswick Green
You might be able to get a datasheet for that particular tyre that lists it's dB level. Whilst not a perfect measure you can use it to compare with something you are considering as a quieter replacement.
Post #811028 19th Jan 2020 6:11pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19452

United Kingdom 
^^^^ This is true and often includes speed ratings as well.

The only problem is, often some makes or manufacturers draw a blank on such information so makes comparisons very difficult indeed. Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #811045 19th Jan 2020 7:28pm
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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 750

United Kingdom 2005 Defender 110 Td5 USW Chawton White
I found my last set of BFG KM2s varied drastically as they wore in terms of noise.

Started fairly quiet- very quiet for an MT, about 10,000 in got quite annoyingly noisy so rotated the position of the tyres and they quietened down again.

Mist be somethig to do with the pattern of wear as well as design.

Chris
Post #811096 19th Jan 2020 11:18pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16812

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
BFG KMs of any generation used extensively on tarmac will do this, since the tread blocks wear in a wedge shape. I think that most of the noise is cause by the by-now wedge shaped blocks flexing and reshaping as the leave the road surface.

The noise can be reduced and the wear evened up if you regularly swap the wheels around so that the direction of rotation is reversed, which will help keep the blocks flat, improve the mileage you can get out of the tyres, and reduce the noise at higher mileages. It is however a pain to remember to do.
Post #811131 20th Jan 2020 9:50am
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DuncanS



Member Since: 06 Dec 2013
Location: Cumbria
Posts: 295

United Kingdom 2008 Defender 110 Puma 2.4 USW Santorini Black
I swear by KO2 all terrains. Supposedly however the KM3 new gen muds are significantly better than the KM2 predecessor on road. North Cumbria Search and Rescue - Team Leader
Post #811136 20th Jan 2020 10:28am
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19452

United Kingdom 
And no doubt the KM3 probably is even more expensive? Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #811166 20th Jan 2020 1:58pm
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mobilesawmiller



Member Since: 03 Mar 2013
Location: Co,Tyrone
Posts: 100

United Kingdom 
I run KM2,s on my soft top 90 - can honestly say I can't hear them at all over the din the canvas makes!!
Post #811649 23rd Jan 2020 5:59pm
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