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Tyre Pressures Greenlaning
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LandRobert
 


Member Since: 15 Jan 2021
Location: Almere
Posts: 66

Netherlands 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3
Tyre Pressures Greenlaning

Hi All,

I have 255/55 R19 Pirelli Scorpions AT Plus.
I do like them.
I am going on a trip to Sweden and do lots of gravel roads and some mud. Nothing really heavy. What tyre pressure do people use for this.
Now i am running (Road Use) iaw the sticker.
What recommendations you have for a fully loaded car( rooftop tent, watertank and more stuff.
I am thinking to go 1.8 bar front and 2 or 2,2 at the rear

Robert with D3 2006 HSE
 2005 V8 HSE  
Post #230449717th Aug 2022 11:47 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Leave them as per road pressures
  
Post #230457518th Aug 2022 12:21 am
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

its a clever car and will go many many places on road tyres...at standard pressures...enjoy and send pictures please...
  
Post #230457618th Aug 2022 12:29 am
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23518

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

That’s too low in my opinion. Unless you’re on sand.

With the AT+ and a heavy load I’d try 2.5 F & 2.9 R and see how it feels.
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography (now semi-retired) 
 
Post #230457818th Aug 2022 12:44 am
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RRSTDV8
 


Member Since: 07 Apr 2014
Location: Here
Posts: 13275

United Kingdom 

If it's fully loaded then you need to run the fully loaded tyre pressure recommendations in the book / on the door sticker.

If you run a short sidewall tyre at low pressures off road, you increase the risk of a pinched sidewall and thus punctures. 255/55 is a short sidewall.
 Visiting from rrsport.co.uk
2012 RRS SDV6
2008 RRS TDV8
"When you fire that first shot, no matter how right you feel, you have no idea who's going to die! You don't know who's children are going to scream and burn. How many hearts will be broken. How many lives shattered. How much blood will spill, until everybody does what they were always going to have to do from the very beginning: SIT DOWN AND TALK!" 
 
Post #230458318th Aug 2022 7:04 am
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Moleshome
 


Member Since: 15 Oct 2020
Location: Wokingham
Posts: 412

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

Having just done an off road training course with the chap who used to be the Lead Instructor for LR I specifically asked about reducing tyre pressures and was told it wasn't necessary.
  
Post #230462918th Aug 2022 11:26 am
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LandRobert
 


Member Since: 15 Jan 2021
Location: Almere
Posts: 66

Netherlands 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Hi yáll

Thanks for the input, Will go for heavy load pressure for the tyres. If i find it uncomfortable on the gravel roads i might lower them a bit.
Let you know.
And pictures and movies will follow.
 2005 V8 HSE  
Post #230466518th Aug 2022 4:16 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1820

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

IMHO air down is only an “option” when you really need the bigger footprint (19” with 55 sidewall has the sidewall too low for a really bigger footprint) AND you are able to air up again as soon a the speed goes up, since lowpressure tyres will get hot very quick at speed

You can always air down if you get stuck in mud….so Not as a precaution with your tyre size… only in real need…
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #230467418th Aug 2022 5:52 pm
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 23518

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

As an aside, you might wish to consider fitting 18" rims in the future.

You can usually pick up a set of genuine Land Rover ones pretty cheaply and they'll fit over the larger V8 brakes if they are fitted.

Ride quality is better and the additional sidewall height is reassuring off-road.

Thumbs Up
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) PD1881 rims-GONE
2017 FFRR SDV8 Autobiography (now semi-retired) 
 
Post #230467818th Aug 2022 6:11 pm
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LandRobert
 


Member Since: 15 Jan 2021
Location: Almere
Posts: 66

Netherlands 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Hi.

18 inch wheels on the wishlist
 2005 V8 HSE  
Post #230468218th Aug 2022 6:21 pm
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RRSTDV8
 


Member Since: 07 Apr 2014
Location: Here
Posts: 13275

United Kingdom 

I think the old "big tyres, air down" idea is somewhat irrelevant with modern systems. When you have traction control that is working on individual wheels, for example, the things you did in an old Defender don't apply. Indeed, doing the old things often hampers the modern systems. A bit of wheel spin? Old day: back off the throttle. Now: maintain the throttle and let the computer work it out. Result: Modern goes everywhere the old does in a more relaxed manner.

An example: a shooting friend got his first Defender (Series type) on MT tyres. Asked me to go off road with him. So we went to Tixover. He asked what I wanted to do and I said "I'll just follow you around". He went up one climb which had a big hole in it on one side. Several attempts, got up by basically monstering it and bouncing around like a mad thing. My old TDV8, in rock crawl, just walked straight up with no drama at all. He was shocked. As were several "old school" off roaders that were watching. My old TDV8 went everywhere his Defender went and only struggled on one bit where the break over angle was too extreme.

One has to drop a lot of the old ideas about off road driving when taking a non-Series based LR off road. They will go places that amaze you.
 Visiting from rrsport.co.uk
2012 RRS SDV6
2008 RRS TDV8
"When you fire that first shot, no matter how right you feel, you have no idea who's going to die! You don't know who's children are going to scream and burn. How many hearts will be broken. How many lives shattered. How much blood will spill, until everybody does what they were always going to have to do from the very beginning: SIT DOWN AND TALK!" 
 
Post #230473319th Aug 2022 12:03 am
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

if your serious try LRE before you go...you will learn lots
  
Post #230473819th Aug 2022 12:17 am
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RRSTDV8
 


Member Since: 07 Apr 2014
Location: Here
Posts: 13275

United Kingdom 

It's worth remembering that LRE is set up show off the product. They rarely get stuck because, well, that's not great marketing.
 Visiting from rrsport.co.uk
2012 RRS SDV6
2008 RRS TDV8
"When you fire that first shot, no matter how right you feel, you have no idea who's going to die! You don't know who's children are going to scream and burn. How many hearts will be broken. How many lives shattered. How much blood will spill, until everybody does what they were always going to have to do from the very beginning: SIT DOWN AND TALK!" 
 
Post #230474219th Aug 2022 12:30 am
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

they will certainly show what the car is capable of..if you press the right buttons...and certainly inspire confidence in the vehicle...and what it can do..and you have fun for a couple of hours ....driving cars you could only dream of before...kick on and enjoy...we also did LRE safari..which is normally open country...take it as you find it
  
Post #230474319th Aug 2022 12:39 am
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RRSTDV8
 


Member Since: 07 Apr 2014
Location: Here
Posts: 13275

United Kingdom 

I've driven Eastnor twice in my own vehicle. I've found trickier, but less attractive, situations when out and about doing pheasant feeding. The tracks that LRE use are designed to be passable by their fleet - and that includes Evoques, etc.

Yes. Eastnor has tracks with big centre ridges, etc., but the ground on which the tyres roll is seldom anything other than firm and well founded. No axle-deep mud, no wet grass with mud-slime that behaves like ice, etc.
 Visiting from rrsport.co.uk
2012 RRS SDV6
2008 RRS TDV8
"When you fire that first shot, no matter how right you feel, you have no idea who's going to die! You don't know who's children are going to scream and burn. How many hearts will be broken. How many lives shattered. How much blood will spill, until everybody does what they were always going to have to do from the very beginning: SIT DOWN AND TALK!" 
 
Post #230474419th Aug 2022 12:47 am
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