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rafman



Member Since: 12 Mar 2019
Location: Perth
Posts: 18

Australia 
Tyre pressure for 22" wheels on the sand

Anyone know how low I can go in terms of tyre pressure when doing sand dune / beach driving with my 22" wheels? Obviously don't want to go too low with such low profile tyres. I used to run at 18psi on a previous vehicle that had 18" wheels, could even get down to 10-12psi in an emergency with them? L405 SDV8 Autobiography (MY13)

Post #510066 28th Mar 2019 6:54am
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crispy2



Member Since: 18 Aug 2013
Location: Mandurah
Posts: 102

Australia 2007 Range Rover Supercharged 4.2 SC V8 Zermatt Silver

Hi Rafman, I have to say you're at a distinct disadvantage on soft sand with 22" low profile tyres to start with but I'm sure you know that. I've had 275/45 x20 on my L322 S/C and I had successfully run them down to 18 psi without peeling the tyre off on a soft sand beach, got it bogged too on occasion. I have the very same tyres on my Touareg now (sorry folks, only interim) and it is going fine currently. But with such little side wall, the squash effect is very small such that a deflated 20-22" tyre doesn't actually present much benefit over fully inflated. Still, it will be better deflated than fully inflated for sure. To answer your question, I think 18 psi you're safe and maybe a little lower, it may depend if you do any sharp bends which will try to rip the bead off its seat. Gentle corners best anyway to avoid ploughing up too much sand.

What is the full tyre dimension 295/35 x22?

Pete. '07 4.2 S/C
'13 X3M

Post #521759 15th Jul 2019 8:28am
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Alistair



Member Since: 11 Feb 2011
Location: Peterborough / Bordeaux / Andorra
Posts: 7724

United Kingdom 2013 Range Rover Vogue SE SDV8 Santorini Black

Stock is 275/40/22

Not that much sidewall to play with & even with lower pressure, I’m not convinced you’d increase the footprint size that much given the relative lack of flex in the sidewall, but I guess every little helps...... 18 sounds reasonable

Post #521782 15th Jul 2019 1:14pm
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