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RED-DOT



Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

Scotland 
Same vehicle, same weight, same approach, same power, same speed, same pressures? I use mine for hunting and find the 265's OK but have been assured by a guy with a £2,000,000 annual budget from L.R. that 235's are the best all round for grip and handling... space hopper on each corner seems to be overkill? 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..
Post #14076 11th Aug 2009 1:45pm
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fekete



Member Since: 24 Dec 2008
Location: Here on the other end of the computer
Posts: 3626

United Kingdom 2007 Defender 90 Puma 2.4 HT Bonatti Grey
Sonic, Thinking of putting some 285 MT / BFG on mine, have you had any issues with this tyre on the standard
rims ?
Before you all tell me i no you should not put this size tyre on 7j rims Rolling Eyes

Thanks in advance
KARL NEVER TAKE LIFE SERIOUSLY. NOBODY GETS OUT ALIVE ANYWAY
Post #14079 11th Aug 2009 2:52pm
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NoDo$h



Member Since: 18 Aug 2007
Location: Buried in deer guts in Dorset
Posts: 972

England 
RED-DOT wrote:
Same vehicle, same weight, same approach, same power, same speed, same pressures? I use mine for hunting and find the 265's OK but have been assured by a guy with a £2,000,000 annual budget from L.R. that 235's are the best all round for grip and handling... space hopper on each corner seems to be overkill?


They were both on idle in low first using TC and anti-stall. I was there with them Thumbs Up

I tried the same in my 90 truck cab, so lighter with shorter wheelbase (no TC) on 235s and could only do it with a moderate amount of approach speed. I know TC makes a huge difference ,but I also know that the right tyre makes a massive difference too, from experience with Defenders, Discoveries and assorted non LR stuff over the years.

That said, too wide can be a problem if not used appropriately, as witnessed when I've waltzed up stuff using 235 TRs where the Simex brigade on lift kits have been floundering and failing the climb...... 

54 Freelander modded for mud
2008 D3 SE
2010 90 XS SW
1978 88 Series 3 undergoing surgery with a new owner
2007 90 County Truck Cab - gone
2006 D3 SE - gone
2004 Freelander Sport - gay
1999 Disco V8 ES rotted to bits
Post #14086 11th Aug 2009 9:16pm
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alantd



Member Since: 14 Dec 2008
Location: Northamptonshire
Posts: 1513

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Tonga Green
Surely it depends what you're doing. The old series motors with their narrow tyres can trounce a wider-shoe'd 4x4 in mud just by cutting through.

I guess that for general LR use (much on road) a 235 is a good all-rounder. Personally I'd like to extend to 265 AT for a bit more footprint but I confess I don't know under what circumstances I'd benefit from the extra width (grass, snow?).

I was reading a 4x4 magazine article (available at the bottom of the page on http://www.kumhotyre.com/news/news080602.html) and the Kumho's did pretty well and joint first with the BFGs. They were all using 235. One that started out as a 2.4 TDCi 110 XS
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Post #14089 11th Aug 2009 9:47pm
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RED-DOT



Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

Scotland 
The experts know 235's are all you need and any wider is for show and offer no real advantage. My mate is a gamekeeper and his TD5 DCPU on 235's go places the big tyres would spin rather than dig in. 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..
Post #14092 11th Aug 2009 11:28pm
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
Im off to Morocco to see new years eve in and have bought a set of 285 BFG AT`s for the journey down there and to have a bigger foot print in the sand to allow me to go places a 235 wide would dig in and get stuck Thumbs Up Send the so called EXPERTS to come and join us Very Happy
Post #14100 12th Aug 2009 8:04am
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
fekete wrote:
Sonic, Thinking of putting some 285 MT / BFG on mine, have you had any issues with this tyre on the standard
rims ?
Before you all tell me i no you should not put this size tyre on 7j rims Rolling Eyes

Thanks in advance
KARL


Hi Karl
I`ve had no problems with the 285`s on the boosts , they will rub the radius arms unless you adjust the stops or fit some spacers. Below is a pic of my old 90 with 285`s on it

Click image to enlarge
Post #14101 12th Aug 2009 8:12am
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fekete



Member Since: 24 Dec 2008
Location: Here on the other end of the computer
Posts: 3626

United Kingdom 2007 Defender 90 Puma 2.4 HT Bonatti Grey
Cheers Sonic,

Thanks for the photo,
Yep i was going to put some spacers on. And i agree with the bigger foot print cheers bud. NEVER TAKE LIFE SERIOUSLY. NOBODY GETS OUT ALIVE ANYWAY
Post #14102 12th Aug 2009 8:31am
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RED-DOT



Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

Scotland 
I think that picture proves my point.. all show and no go. It looks like a spacehopper on each corner? 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..
Post #14106 12th Aug 2009 9:26am
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alantd



Member Since: 14 Dec 2008
Location: Northamptonshire
Posts: 1513

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Tonga Green
RED-DOT wrote:
I think that picture proves my point.. all show and no go. It looks like a spacehopper on each corner?


Time out guys. Each to their own.

Clearly tyre size does have an impact otherwise all challenge eventers would run on 235s.

Given that the reason we drop our tyre pressures in sand, snow and bog is to increase the footprint in contact with the ground, a wider tyre must make a difference. That doesn't mean it is better in all circumstances, though, and it's possible that the LRE instructors are gauging the 235 to be the better tyre in most situations encountered in the UK.

We can have the same debate about tyre tread patterns - AT vs MT etc. Again, it depends on what you're doing.

As for show, it's a personal thing and plenty of folks like the look of wider, more aggressive tyres. Lord knows I've added a snorkel and steering guard to mine and it'll only see greenlanes and the occasional deep puddle. Quite fancy some wider ATs as well Whistle One that started out as a 2.4 TDCi 110 XS
+ New Defender 110 First Edition
Post #14112 12th Aug 2009 10:37am
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
RED-DOT wrote:
I think that picture proves my point.. all show and no go. It looks like a spacehopper on each corner?


What ever Rolling Eyes
Post #14115 12th Aug 2009 11:01am
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rick



Member Since: 07 Mar 2008
Location: Perth
Posts: 133

Australia 2008 Defender 110 Puma 2.4 SW Stornoway Grey
I like your honesty alantd. I think there's got be room for aesthetics, especially if the modification has a neutral (at worst) impact on performance (ie the 265/75 option). If the 235/85s didn't look like they belong on an ice cream van I might not be as curious about the wider options. But I'd still like to think that a wider MT would not only look better, but might also add some stability and a larger footprint in sandy conditions - that would be enough to justify the expense (for me).

Cheers,
Rick. 1998 RR HSE
2007 RRS TDV6
2008 Defender 110
2015 Discovery Sport
Post #14118 12th Aug 2009 11:45am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
At the same tyre pressure all tyres have the same footprint. So a wider tyre will have a shorter footprint. A wider tyre has anly advantages in sand at speed. When you go slow the extra width works against you.

But then a MT is not a sand tyre. There are other design that work better in sand.

I have some 235 BFG MT on my camel disco I did about 40000 M with them and still have enough thread to go under my 90 for a while as an off-road tyre. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #14119 12th Aug 2009 11:55am
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
This is why we go for wider tyres Thumbs Up
Me and Alex E last year in Tunisia rescuing Discocuzzy AND Tfc Rolling with laughter Rolling with laughter

&feature=related
Post #14120 12th Aug 2009 11:57am
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Glynparry25



Member Since: 16 Feb 2009
Location: Miserable Midlands
Posts: 3015

Wales 2009 Defender 110 Puma 2.4 XS DCPU Tonga Green
Woah I see this thread has exploded whilst I have been away!!

I have fitted 285s to mine puerly through experience as I know they will out-preform a 235 any day in any condition as I drive in them all frequently.

The reason why LR go for 235s is a combination of figures- if they fit 285 muds as standard they will have to start investing in more soundproofing, wider rims and will have to bring down the mpg figure which will all adversly affect sales.

As mentioned before on the outing we did down Sailbury plain it was proven in so many ways that the 285s were the daddy (even compared to the 265s). I was going up slopes/ through ditches my Discovery on 265s would have started to slip a little but other than on extreme cross-axle the TC didn't kick in.

Glyn
Post #14123 12th Aug 2009 12:30pm
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