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mp3madness

Member Since: 25 Apr 2007
Location: AUSTRALIA
Posts: 42

22" Tyre inflation pressure

After speaking to Toyo Australia they have refered to reference material from the European Tyre and Rim Technical Organisation (ETRTO) regarding the correct cold tyre inflation pressure.

They suggest that cold inflation for a 285/35/22 to be between 35 to 40psi unloaded and 42-45 if the vehicle is under load.

Mon May 12 2008 7:10am

tf9

Member Since: 07 Jun 2006
Location: Moscow, Russia
Posts: 643

2006 Range Rover Sport Supercharged Java Black

all 4 tyres?

(in metric system that would be 2.6-2.8 bar) 2014 Mercedes-Benz S500
2014 Range Rover Autobiography, Causeway Gray, Ivory/Ebony
2013 BMW 530d
2008 Range Rover Supercharged Vogue S\E, Java Black, Ebony. SOLD
2006 Range Rover Sport Supercharged, Java Black, Ebony. Arden body-kit. SOLD
2005 Range Rover Vogue 4.4 Buckingam blue, Ivory. - SOLD.

Mon May 12 2008 7:19am

NickM

Member Since: 15 Feb 2008
Location: London
Posts: 2995

Thats a bit of a vague range isn't it??? Could they not be more specific?? I have mine at 40 all round - think i should have more at the rear??

Mon May 12 2008 8:16am

BigMart

Member Since: 17 Mar 2007
Location: West Midlands
Posts: 324

ISTR there was a post recently about this.

I'm sure when questioned , Overfinch quoted 4psi more than the LR 20" pressures and yes , due to weight balance you will need more in the rears but the standard pressures take that into account.

Still looking for my 22's ..........

Mart Jaguar XF 3.0D Portfolio
RRS TDV6 HSE 2006 , Zermatt , Gone

Mon May 12 2008 9:39am

tf9

Member Since: 07 Jun 2006
Location: Moscow, Russia
Posts: 643

35 psi - front tyres
40 psi - rear

I think this is ok

p.s. just installed 22" Overfinch tigers on my FFRR with yokohama 285/35 tyres 2014 Mercedes-Benz S500
2014 Range Rover Autobiography, Causeway Gray, Ivory/Ebony
2013 BMW 530d
2008 Range Rover Supercharged Vogue S\E, Java Black, Ebony. SOLD
2006 Range Rover Sport Supercharged, Java Black, Ebony. Arden body-kit. SOLD
2005 Range Rover Vogue 4.4 Buckingam blue, Ivory. - SOLD.

Mon May 12 2008 1:58pm

mp3madness

Member Since: 25 Apr 2007
Location: AUSTRALIA
Posts: 42

NickM wrote:
Thats a bit of a vague range isn't it??? Could they not be more specific?? I have mine at 40 all round - think i should have more at the rear??

I queried him about that and his reply was 2psi difference is nothing for inflation so I guess they are allowing for environmental/road differences.

Mon May 12 2008 2:49pm

Tim in Scotland

Member Since: 30 May 2005
Location: Driving along in my automobile
Posts: 17476

2013 Range Rover Sport SDV6 HSE Stornoway Grey

Also, are tyre pressure gauges accurate to within 2psi? 2020 Pangea Green 1st Edition D240 New Defender 110 is here and loving it
2018 Melting Silver Mini Countryman PHEV - soon to be replaced
2015MY Corris Grey SDv6 HSE Dynamic, the best car I have ever owned, totally reliable only a cou0le of rattles in 3 years, now no longer in my care
Also in my garage is a 1996 TDi300 Defender 90 County HT made into a fake CSW

Mon May 12 2008 4:08pm

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