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russgreenman

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

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

18th Jan 2020 5:00pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8051

2011 Defender 110 Puma 2.4 USW Stornoway Grey

Yes Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

18th Jan 2020 5:03pm

Co1

Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3678

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.

18th Jan 2020 5:09pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20441

What MT generation are we talking KM2 or KM3? Tyre width is also a factor to noise production. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

18th Jan 2020 5:19pm

russgreenman

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

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

18th Jan 2020 6:07pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 8051

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 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

18th Jan 2020 6:27pm

russgreenman

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

Click image to enlarge
These are what I have currently... and I see now they are KM2’s

19th Jan 2020 1:07pm

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5724

2006 Defender 110 Td5 USW Zermatt Silver

KM2. It’s written on the side. .

19th Jan 2020 1:22pm

Supacat

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

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.

19th Jan 2020 6:11pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20441

^^^^ 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. $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

19th Jan 2020 7:28pm

Chris86

Member Since: 15 Jul 2014
Location: South Yorks
Posts: 789

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

19th Jan 2020 11:18pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17443

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.

20th Jan 2020 9:50am

DuncanS

Member Since: 06 Dec 2013
Location: Cumbria
Posts: 299

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

20th Jan 2020 10:28am

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20441

And no doubt the KM3 probably is even more expensive? $W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

20th Jan 2020 1:58pm

mobilesawmiller

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

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!!

23rd Jan 2020 5:59pm

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