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kingofthesparks



Member Since: 06 Jan 2011
Location: Very close to Watford gap services , northants
Posts: 987
United Kingdom 2012 Defender 90 Puma 2.2 HT Fuji White
But would you get on a coach with only 1mm tread ?
Post #121486 5th Feb 2012 12:59pm
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JSG



Member Since: 12 Jul 2007
Location: Berkshire
Posts: 2412
United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
IIRC when I had company cars the lease company used to change them at 3mm. I'd change mine at no lower than 3mm though. John

http://www.hampshire4x4response.co.uk

2011 Tdci 110 CSW XS
Post #121645 5th Feb 2012 9:22pm
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twopoint6khz



Member Since: 18 Aug 2011
Location: North Lakes
Posts: 654
United Kingdom 2005 Defender 110 Td5 CSW Java Black
3mm is reckoned to be the point at which traction really starts to tail off and aquaplaning becomes a big issue. On a 4x4 though, tyres have ceased to be useful a long way before 3mm....

Most new AT/MT tyres come with 1/2" of tread, which is about 13mm.
Post #121658 5th Feb 2012 9:41pm
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bpman



Member Since: 21 May 2008
Location: Oslo
Posts: 8069
2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
Zagato wrote:
Morning Alpy, yeah snow Very Happy Very Happy Very Happy



Zag - that's you and me had our trucks in the snow Shocked - no one can tell us we don't use them in all weathers !

Mines, de-salinated, polished and tucked back in the garage having been de-tented. looking forward to the day I can leave the tent on the roof and have a garage door high enough to fit it :thumbsup:

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green
Post #121667 5th Feb 2012 10:00pm
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Zagato
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Member Since: 08 Jan 2011
Location: Billingshurst West Sussex
Posts: 5013
United Kingdom 
Yeah I have been driving around in clouds of dry salt dust for the last 4 days, and yesterday slushy salty roads Shocked It's now being used for work and daily school runs etc. Not worried EVERYTHING got another coating of ACF-50 etc 2 weeks ago and the underside is pretty bullet proof. Their is nothing exposed to the elements including the gearbox casing etc.

Out again in it this morning, the salt will be around for another week but a pressure wash down and more potions sprayed on will neutralise any remaining salt Thumbs Up Salt is a sod to get off, most of it doesn't come off with just rinsing. A lot of boat trailers now have built in pipes which are supposed to rinse your brakes Rolling Eyes waste of time!

You bent the 90 not your ICE Shocked Question

Last edited by Zagato on 6th Feb 2012 7:45am. Edited 1 time in total
Post #121702 6th Feb 2012 7:36am
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JWL



Member Since: 26 Oct 2011
Location: Hereford
Posts: 3443
England 2002 Defender 110 Td5 SW Coniston Green
Just leave them covered in summer no salt dirt Shocked gives a protective layer against the salt Whistle
Post #121705 6th Feb 2012 7:43am
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Zagato
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Member Since: 08 Jan 2011
Location: Billingshurst West Sussex
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Laughing Thumbs Up
Post #121706 6th Feb 2012 7:44am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17371
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Legal min for a DPV is the same as for a car (and as has been mentioned once or twice before before as far as C&U is concerned the N1 thing has no relevance), so it is 1.6 mm tread depth over the centre 75% of the tread width around the circumference and "visible tread" on the remaining 25% of tread width.

Anyone who drives any vehicle with this little tread, let alone a 2.5+ ton 4x4, in my opinion, should be removed from the road permanently.

Personally I would never run a tyre on a Landrover below 6mm, and usually replace them at about 8mm to 10mm when they still have some traction and also still have some resale value.
Post #121731 6th Feb 2012 10:52am
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MartinK



Member Since: 02 Mar 2011
Location: Silverdale (Lancashire/Cumbria Border)
Posts: 2665
United Kingdom 2011 Defender 110 Puma 2.4 USW Orkney Grey
blackwolf wrote:

Personally I would never run a tyre on a Landrover below 6mm, and usually replace them at about 8mm to 10mm when they still have some traction and also still have some resale value.


I changed my BFG AT's at 4-5mm. Still managed to sell them on Gumtree for a few quid (£40 iirc) Thumbs Up

Agree traction seems to go off when 5mm or less - but also they are very old by then.

Also, as I normally get up to 80,000 miles on decent AT's, they're usually at least 5-6 years old by the time they get to 4-5mm...

I think my last BFG AT's would have exceeded 100,000 miles if I had run them down to the legal minimum. Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's)

Last edited by MartinK on 6th Feb 2012 11:07am. Edited 4 times in total
Post #121735 6th Feb 2012 11:02am
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Zagato
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Member Since: 08 Jan 2011
Location: Billingshurst West Sussex
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Hadn't thought of moving them on at about 6mm - good idea Very Happy Thumbs Up
Post #121738 6th Feb 2012 11:05am
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MartinK



Member Since: 02 Mar 2011
Location: Silverdale (Lancashire/Cumbria Border)
Posts: 2665
United Kingdom 2011 Defender 110 Puma 2.4 USW Orkney Grey
Quote:
Research and tests show that as tires age, they begin to dry out and become potentially dangerous, even if unused. Aged tires may appear to have similar properties to newly manufactured tires, but rubber degrades over time, and once the vehicle is traveling at high speeds (i.e. on a freeway) the tread could peel off, leading to severe loss of control. In tropical climates, such as Singapore, tires degrade sooner than in temperate climates, and more care should be taken in these climates to ensure that tires do not fail.[citation needed] Also, tires on seldom-used trailers are at the greatest risk of age-failure, but some tires are built to withstand idleness, usually with nylon reinforcement.

Many automakers recommend replacing tires after six years, and several tire manufacturers (Bridgestone, Michelin) have called for tires to be removed from service 10 years after the date of manufacture.
 Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's)
Post #121744 6th Feb 2012 11:11am
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Zagato
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Member Since: 08 Jan 2011
Location: Billingshurst West Sussex
Posts: 5013
United Kingdom 
Yes had an old tyre break up on me at 40mph. The whole tread just peeled off flapping round the turning wheel smashing up my whole wing around the wheel arch. Big Cry Was in an old SAAB where the wing overlaps half the wheel Sad
Post #121747 6th Feb 2012 11:15am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17371
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
My tyres never seem to get the chance to get old enough to deteriorate, since I tend to do around 25k+ miles in a year they never get much beyond four years old if that.

Having said that, now my Series 1 gets used less the tyres on that (the fantastic Michelin XCL, what a shame it's no longer made) are quite old, but in excellent condition. UV radiation is what kills tyres, so if they are stored in the dark they will last a great deal longer than if they see daylight (one reason why a cover on the spare is a good idea). The S1 lives in a windowless garage, so no problems there.

I run BFG Muds by choice, and on my 200k-mile Disco 2 I will need to replace the second set quite soon. Like the first set that these replaced, they have done approx 100k miles and have more than 6mm remaining. These are the original style Muds (not KM2) and it will be interesting to see if the KM2s last as long.
Post #121758 6th Feb 2012 11:37am
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kingofthesparks



Member Since: 06 Jan 2011
Location: Very close to Watford gap services , northants
Posts: 987
United Kingdom 2012 Defender 90 Puma 2.2 HT Fuji White
My old double decker bus has 1.2mm of tread, may replace them soon Whistle
Post #121800 6th Feb 2012 1:12pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731
Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
I know I've posted this before, but this is what a certain Europe-hire-car company affiliated with a certain orange airline consider safe...


Click image to enlarge

Click image to enlarge

...needless to say, it wasn't (thank God none of us was hurt...)

:evil:

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green  Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #121816 6th Feb 2012 2:40pm
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