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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 755
United Kingdom 2005 Defender 110 Td5 USW Chawton White
Hi Nigel,

I did wonder when I saw your name whether you were also following us in instagram- we try really hard as a small business to produce interesting, engaging and informative content without being too corporate!

Something that is often overlooked with tyres is the fact that the OE supplied tyre will have been tested for performance on that particular vehicle too- so it *should* perform well.

I was having a discussion with a former engineer from JLR a couple of months back about this with regard to the Mitsubishi L200 series 5's that his company he now runs perform on different tyres, and he noted that he felt that the performance off road on an all terrain was actually better in many cases than on an MT- because the Traction control systems were mapped from the factory to be optimised to work with tyre that had a more linear grip-to-slip characteristic than mud terrain tyres tend to.

My experience with our own Td5 with TC is similar- the TC was more effective when we were running the standard XZLs it came on in 235/85/16 compared to now on 255/85/16 Toyo MTs.

Its a massively interesting area- I'm only really scratching the surface with doing what I do but I'm getting more and more involved with this part of the industry.......

Best Regards

Chris
Post #1001408 23rd Jul 2023 3:57pm
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Rashers



Member Since: 21 Jun 2015
Location: Norfolk
Posts: 3343
United Kingdom 2014 Defender 110 Puma 2.2 USW Corris Grey
Hi Chris, so I am still on the 235/85/16 tyres. In you opinion, what would be the advantages of fitting the 255 against the 235?

Thanks

Nigel
Post #1001421 23rd Jul 2023 5:26pm
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Chris86



Member Since: 15 Jul 2014
Location: South Yorks
Posts: 755
United Kingdom 2005 Defender 110 Td5 USW Chawton White
Its strange,

I regard 255/85/16 as the butter zone for Defender, its tall enough to help off road but without having too many detrimental effects on the vehicle performance on road.

Pro's
- Improved clearance between the diffs and the floor- handy if you do a lot of driving in rutty environments
- Slight increase in gearing, handy on the road- especially in 5th with a Td5.
- Taller sidewall, so some benefit in ride comfort on some surfaces off road, also allows for more sidewall deflection if you are on rocky ground maintaining grip, also potentially reducing the chance of rim damage


Cons
- Increase in unsprung mass and rotational mass, your brakes and engine will be working a bit harder, some of your suspension components will be working harder on some surfaces. BFG are particularly heavy, my last set were an absolute nightmare to balance too.......

- Increase in gearing (not so handy if you tow a lot), also off road you will find you use 1st more...
- Potential for more strain on mechanical components
- More sidewall deflection on road, your steering will likely feel less direct and turn in will feel a bit woolier.

- Harder to find, also less likely to be spares kicking about if you travel widely- 235/85/16 is really common....255/85/16 isn't. you are limited in the UK to either BFG MT or Toyo MT- no options for an AT.

Finally, and this is probably the least helpful- if you park one on 255/85/16 next to a standard car on 235/85/16 the one on the taller tyre just looks 'right' somehow- looks like the size they should have always had the way they give an extra bit of height and fill the arches *without* the need for a lift....

Chris

Click image to enlarge


**You will need appropriate offset wheels and springs that aren't saggy........
Post #1001433 23rd Jul 2023 6:31pm
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Rashers



Member Since: 21 Jun 2015
Location: Norfolk
Posts: 3343
United Kingdom 2014 Defender 110 Puma 2.2 USW Corris Grey
Thanks Chris Thumbs Up
Post #1001435 23rd Jul 2023 6:34pm
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 10513
England 
Just caught up on this thread, very very interesting, a big thank you Chris86 for all the information, much apricated Bow down 1996 Golf Blue 300Tdi 110 Pick up. Keeper.


Clayton.
Post #1001607 24th Jul 2023 9:36pm
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 10513
England 
Evil Elsie wrote:
Hiya,
I'm running 265/75 r16 @ 33psi f&r.

I think a lot of the discussion on this thread comes down to 'branding' - and a bit of fear about wasting £500.

I'm perfectly happy in a Tesco t-shirt but I know people (and have a lot of time and respect for them) who wouldn't leave their house in one.
I fully get why people want BFG/Grabber/Cooper's etc - you know what you're going to get - and they're 'cool'. Who doesn't want cool stuff on their Landy..??

When I fitted some Cooper Discoverer at2 to my lightweight years ago, I nor anybody else had heard of Cooper Tires (that felt soooo wrong spelling it like that 😄) and it was a gamble that paid off.

Every product, even the best thing ever, will have the odd negative review because nothing is perfect for everyone.

Mine have only been fitted for the past 5 months but have been faultless - so far..

95% roads, 5% gravel tracks and wet grass. Lots of rain.... 🙄

Cheers,


A big thank you for your reply Very Happy

Would you have a pic of your tyre on the rim ?
Many thanks

regards 1996 Golf Blue 300Tdi 110 Pick up. Keeper.


Clayton.
Post #1001608 24th Jul 2023 9:37pm
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Evil Elsie



Member Since: 25 Feb 2023
Location: Cumbria
Posts: 157
United Kingdom 2002 Defender 110 Td5 HT Alpine White
Not a problem Sir....

Also, I forgot to mention that I have 30mm wheel spacers fitted...


Click image to enlarge


Click image to enlarge

Hope this helps,

Dave. 2002 Land Rover 110 Td5 Utility
1990 Suzuki GSXR 1100L
1980 Yamaha RD 350LC
1976 Yamaha RD 400C
Post #1001662 25th Jul 2023 10:47am
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 10513
England 
^^^^^

Yes that does help, thank you so much Dave Very Happy Thumbs Up 1996 Golf Blue 300Tdi 110 Pick up. Keeper.


Clayton.
Post #1001912 26th Jul 2023 9:00pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4484
Ireland 
My daughter has Davanti Terratoura 235/85/16 on her 90 300 tdi. She goes into fields with a horse box and never got stuck. They have the snowflake symbol so they are good in the white stuff. This past winter my daughter was out in the white stuff and had no bother. The 90 is her first car and when we bought it for her it needed new tyres so I opted for these due to the varied use she uses her 90 for. As it is her only car she uses it for the daily stuff too. They seem to be a good all around tyre. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #1003379 8th Aug 2023 4:47pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4484
Ireland 
https://www.pressreader.com/uk/land-rover-...3034545451
https://www.defender2.net/forum/post812824.html 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #1003968 13th Aug 2023 2:28pm
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Simboii



Member Since: 09 Jun 2021
Location: Carmarthen
Posts: 66
Wales 2006 Defender 90 Td5 HT Keswick Green
Anyone put some of these Davanti’s in 285/75/16 onto their defender??
Post #1004543 17th Aug 2023 9:25pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4484
Ireland 
Been checking up. These were fitted in 235/85/16 size to my daughter's 300 tdi 90 in January 2020. She has done 60,000 miles since then. I'll get them changed in the next month or so. Not down to the warning bars yet but I never let tyres go that far. Will be going for the same again for her 90. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #1005408 25th Aug 2023 1:27pm
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nicolas0505



Member Since: 23 Dec 2020
Location: briançon
Posts: 79
France 
Hi all

I have reached the milestone I have just ordered 4 tires. I looked if I found opinions on forums in France, I have not yet found. Coming from at ko2 what is the difference between the 2?
Post #1005929 30th Aug 2023 4:32pm
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spudfan



Member Since: 10 Sep 2007
Location: Co Donegal
Posts: 4484
Ireland 
Fitted four Davanti Terratoura 235/85/16 tyres to my daughters 300 90 tdi today. Cost was €160 (£139) fitted per tyre. She was pleased with the first set. Like I said she does very mixed driving i.e. everyday to work, horse box towing, mud and fields not to mention last year's snow. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali
2008 110 2.4 tdci csw-Zulu
2011 110 2.4 tdci csw-Masai
Post #1009523 30th Sep 2023 5:54pm
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nicolas0505



Member Since: 23 Dec 2020
Location: briançon
Posts: 79
France 
hello I saw 2 models of terratoura at one classified in S and the other in T I have the version in T
Post #1009628 1st Oct 2023 3:33pm
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