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AWD man
Member Since: 03 Jul 2009
Location: In Drag
Posts: 831
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| What tyre pressures do people run on their 20's? |
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I towed my caravan for the 1st time this weekend...very impressed btw..and fetched 28mpg which was a nice surprise, as I usually get 29-30 solo.
anyway..back on topic
The door sticker obviously only lists the 18" tyre pressures for different loads, with the maximum load listing a psi value of 60! 
I checked my Continental 20's and they have a maximum psi of 51.. so I stuck 40 in 
So what pressure do guys running the 20" rims use for solo/towing?
My next set will be the grabber UHP's 57 RRS TDV8
BAS Map
D3: Gone but not forgotten
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 13th Jul 2009 8:44 am |
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al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 10352
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My door sticker covers 17, 18 and 19" rims
Anyway - Usually run my 20's (265/50x20) at 33 front, 36 rear when solo, but put rears up to 40 when towing. Just firms it up a bit, as tried towing at 36 and it felt a bit twitchy.
Al Volvo XC90 B5 Plus Dark
Gone - MY18 D5 HSE - Corris on 22's with Black Pack
Now gone - MY16 D4 SE Tech, Loire Blue, Almond Leather, Privacy, plus some other goodies.
Old - MY12 D4 SDV6 XS Auto - Ipanema Sand with Almond Leather - Plus other niceties, and D4.com sticker
Older - D3 TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV - and obligatory D3 sticker
Ancient - D3 TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
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| 13th Jul 2009 9:10 am |
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AWD man
Member Since: 03 Jul 2009
Location: In Drag
Posts: 831
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cheers al,
so i wasn't far out with my guess, that's good. 57 RRS TDV8
BAS Map
D3: Gone but not forgotten
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| 13th Jul 2009 10:35 am |
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ronp
Member Since: 29 Nov 2006
Location: North Yorkshire
Posts: 15263
  
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34 front, 37 rear for me, even when towing my [single axle] tintent.
[lighter than Al's] ...... always on the road less travelled 🚧
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| 13th Jul 2009 10:51 am |
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simoniz
Member Since: 28 Oct 2007
Location: The green green grass of home!!!!!
Posts: 3759
  
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Whilst we are talkling marginal differences between Ron & Al how so did you guys arrive at these fighures?
As a soon to be 20" owner naturally interested in getting this spot on as from past experiences incorrect tyre pressures on D3 = trouble.
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| 13th Jul 2009 11:10 am |
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ronp
Member Since: 29 Nov 2006
Location: North Yorkshire
Posts: 15263
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simoniz wrote:Whilst we are talkling marginal differences, how so did you guys arrive at these fighures?
Very technical indeed Simon, but here's how:
It was from my granny's time, way back before teabags.
When making a pot of tea she used to put 1x teaspoon of tea in the pot for each person, then add 'one for the pot'.
Her tea was always spot on.
And that was a very important lesson which has stuck with me.
Hence my slightly increased tyre pressures from standard.
 ...... always on the road less travelled 🚧
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| 13th Jul 2009 11:52 am |
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al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 10352
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I used the pressures given for the 20's on the FFRR, and then tried running "solo" pressures when towing, and found it moving a small ammount, so went back to the "loaded" pressures.
Al Volvo XC90 B5 Plus Dark
Gone - MY18 D5 HSE - Corris on 22's with Black Pack
Now gone - MY16 D4 SE Tech, Loire Blue, Almond Leather, Privacy, plus some other goodies.
Old - MY12 D4 SDV6 XS Auto - Ipanema Sand with Almond Leather - Plus other niceties, and D4.com sticker
Older - D3 TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV - and obligatory D3 sticker
Ancient - D3 TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
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| 13th Jul 2009 12:12 pm |
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