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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 1867

Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
Whats the pressure!
Tyre pressures Shocked

I have BFG all A/T's all round, today looking at them they seem to sag slightly

So what pressure are yours at? Haines says 28 psi front and 42 rears, which i have put up to but still that bit saggy Shocked

While on the subject what pressures are your tyres lowered to when on sand? 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)
Post #831248 15th May 2020 3:19pm
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landy andy



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

2006 Defender 110 Td5 USW Zermatt Silver
34 all round, and down to 10 on sand.
Post #831251 15th May 2020 3:49pm
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Paul55



Member Since: 03 Feb 2009
Location: Somewhere in my head!
Posts: 510

England 2008 Defender 90 Puma 2.4 XS CSW Santorini Black
Same as landy andy, 34 all round Thumbs Up Cogito ergo sum
Post #831253 15th May 2020 4:10pm
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custom90



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

United Kingdom 
34F 36R on mine, but I do tow light and carry heavy goods on occasion. 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 #831255 15th May 2020 4:14pm
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Notyalc



Member Since: 27 Jul 2018
Location: Northumberland
Posts: 139

United Kingdom 2003 Defender 90 Td5 HT Epsom Green
I run 30 all round on a 90 when empty or not towing, but if they were down to 28 it doesn’t make that much difference.
Up to 36 or so and they behave more like run flats!
Post #831263 15th May 2020 5:20pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2062

United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
30 psi front and rear on my 90.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #831278 15th May 2020 6:53pm
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UtilityTruck



Member Since: 09 Jan 2014
Location: Oxford
Posts: 463

United Kingdom 
Assuming 16” then the stated pressures from LR for my 2014 are 30psi front & 48psi rear(65psi rear when fully laden)

You can go lower on the rear, and in fact I do - comfort is increased substantially running at high 30s. However you can find higher speed stability to be somewhat compromised with softer rear tyres; think big steering inputs while doing 55mph+ so bear that in mind.

Of course bfg’s are not fitted by LR so the best pressures for that tyre may differ a little due to the tyre compound, side wall stiffness etc etc.

P.s. I assumed you have a 110” based on your profile/pic 2014 Keswick Utility 2.2
Post #831296 15th May 2020 9:20pm
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Eduardo



Member Since: 28 Aug 2008
Location: Región Metropolitana
Posts: 2108

Chile 2007 Defender 110 Puma 2.4 SW Stornoway Grey
Allways 35 in front, 35 in rear if not loaded or 45 if loaded. Eduardo

MY 2007 110 SW PUMA 2.4: Big Fog of 64'
MY 1994 Jayco 1207 Folding camper: "El Tremendo"

Click image to enlarge
Post #831302 15th May 2020 9:33pm
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charcoal



Member Since: 28 Jul 2014
Location: Hampshire
Posts: 941

United Kingdom 2005 Defender 110 Td5 HT Bonatti Grey
I done 34psi all round in mine also Thumbs Up 1999 Land Rover Defender 110 td5 station wagon
1998 Land Rover Defender 110 County Station Wagon ~ Sold
1995 Land Rover Defender 110 V8 Station Wagon ~ Sold Sad
1985 Land Rover 110 ex mod project Tithonus ~ Sold Sad
Post #831310 15th May 2020 10:10pm
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VVS210



Member Since: 12 Nov 2016
Location: Hampshire
Posts: 946

United Kingdom 
Another vote for 30 all round for general use, ran mine on that for nearly 20 years using both 235 & 265 tyres with no dramas Thumbs Up
Post #831360 16th May 2020 8:30am
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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 1867

Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
Quite a few different pressures there then, So 34/35 seems to be the norm not loaded and mid 40's when loaded Very Happy

Sand driving as low as 10 psi, what is the school of thought here, should the pressure be put back up at the end of the day to protect the side walls and then dropped in the morning? 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)
Post #831368 16th May 2020 9:16am
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 3993

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
I’m not sure where you are planning on going, but unless it’s the Middle East you aren’t likely o be running at 10 psi all day. At 10 psi you stand a real chance of cutting the sidewall on sticks and stones. That low is just for the really challenging soft sand in my view. For general sandy desert driving you are more likely to be up somewhere 15 to 18 psi and over 20 for anything that could be stony or rocky or where you can get up any kind of sustained speed. This is also dependant on the load you are carrying, tyre size etc. What’s right will come with experience.

You need to be changing your pressures to suit the conditions at the time. A convenient compressor set up and good deflator will make this much less onerous. 2007 110 TDCi Station Wagon XS
Post #831372 16th May 2020 9:28am
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landy andy



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

2006 Defender 110 Td5 USW Zermatt Silver
You have to choose when dropping pressures what you want to do. At very low pressures you won’t want to be driving at any speed as the tyres will over heat. If you are sand driving day after day then there is no need to air up at night, just to air down in the morning. It won’t damage the tyre. You also may not want/need to go as low as 10, depending on conditions and tyres. I find that with BFG tyres that they need a fair bit of air out to even start to get the bigger foot print.
Post #831377 16th May 2020 10:33am
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Jas Ardis



Member Since: 28 Jun 2018
Location: Salisbury
Posts: 56

United Kingdom 2012 Defender 110 Puma 2.2 USW Auto Stornoway Grey
[quote="Bluest"]I’m not sure where you are planning on going, but unless it’s the Middle East you aren’t likely o be running at 10 psi all day. At 10 psi you stand a real chance of cutting the sidewall on sticks and stones. That low is just for the really challenging soft sand in my view. For general sandy desert driving you are more likely to be up somewhere 15 to 18 psi and over 20 for anything that could be stony or rocky or where you can get up any kind of sustained speed. This is also dependant on the load you are carrying, tyre size etc. What’s right will come with experience.

You need to be changing your pressures to suit the conditions at the time. A convenient compressor set up and good deflator will make this much less onerous.[/quote]

Having spent several weeks in a desert in the ME, 34 psi is fine!
Post #844785 19th Jul 2020 9:07pm
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