 | Home > Wheels & Tyres > snow tyre pressures |
 
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897   
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Not less than 24 psi.
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10th Jan 2010 1:32pm |
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| double cab happy Member Since: 01 Jun 2009 Location: merseyside Posts: 573 
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any idea what preasure you can go down to with standard tyres ?
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10th Jan 2010 1:40pm |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897
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You can go down to around 4 psi but it will considerably reduce the tyre life. Use 16 psi as safe minimum but probably would cause law trouble if you are involved in an accident. |
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10th Jan 2010 2:16pm |
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| Sticky Member Since: 07 Dec 2008 Location: Derbyshire Posts: 245 
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Why would you want to go down in pressure?
I lived in the Northern USA for several years and there was always this debate about tyre pressure, they used to encourage people to pressure up in winter to cope with the ambient temperature affecting tyre pressure. The old advice was to purchase winter tyres and often thinner rather than wider. I was out in Minnesota last winter and chatted to a local tyre fitter who advised me that you really need to be careful about which tyres you air down, he explained that many modern tyres have complex side reinforcements which are basically thin steel wires embedded into the sidewall. He explained that in the cold and with low pressure this often resulted in the tyres failing due to the wire beads breaking and piercing the tyre. I know many off road tyres are designed to run at lower pressure for traction purposes but I have no idea if certain brands are better than others. |
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10th Jan 2010 8:33pm |
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| double cab happy Member Since: 01 Jun 2009 Location: merseyside Posts: 573
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if i where to drop tyre pressure it would be for a given hill or patch of ice, i did think i may need to drop tyre pressure to get more traction when i was recovering a van up hill on ice earlyer this week but as i thought it i started to move, just woundered how low is advisable.
thanks laurie. |
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10th Jan 2010 9:35pm |
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| AJS4X4 Member Since: 28 May 2008 Location: Surrey Posts: 793 
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You can drop pressure as low as you need to, to get yourself out of trouble but don't forget to re-inflate.
Dropping pressure on snow is a little like sand, you will get extra traction, I have been stuck in the sand in Dubai then dropped the air almost to zero and then drove out, thing to remember is no fast tight turns otherwise you risk de-beeding the tyre. Big difference is snow is cold, and most times sand is warm.  Roll on summer.
Andy. |
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12th Jan 2010 7:07am |
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