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al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 5074
  
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| what a differnce a tyre makes |
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On saturday I took my 20's off, running 265/50x20 Yokohama ST's, and fitted my 18's with 255/60x18 Grabber AT2's, so that I'd have some grip for the winter. On a steady run up the M6 this morning I noticed two things:
1) MPG reading on the crap trip comp was showing 36mpg, instead of the usual 31
2) the ride was crap - car felt really nervous on the road, instead of its usual "on rails" feel. I guess this is down to the larger block trad of the AT's aloowing more tread movement.
guess you cant have everything 
Al TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV, BAS Electrickery - and obligatory D3 sticker
Old - TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
If you think you are too small to make a difference - you've never shared a bedroom with a mosquito
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 Mon Dec 05 2011 11:43am |
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B16 KJR
Member Since: 10 Jul 2006
Location: Rosyth, Fife
Posts: 912
 
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What sort of pressures are you running at Al ? I have my AT2's at 36 psi front 39 psi rear and it feels fine.
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| Mon Dec 05 2011 12:29pm |
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al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 5074
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i've gone with 33 front and 36 rear, as per the pressures shown on the door label. Do you recon this is too soft. Al TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV, BAS Electrickery - and obligatory D3 sticker
Old - TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
If you think you are too small to make a difference - you've never shared a bedroom with a mosquito
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| Mon Dec 05 2011 1:02pm |
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B16 KJR
Member Since: 10 Jul 2006
Location: Rosyth, Fife
Posts: 912
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I seem to remember that Andy from AJS Tyres recommended they be run at approx 3-4 psi higher than normal.
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| Mon Dec 05 2011 5:34pm |
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AJS4X4
Site Sponsor
Member Since: 30 Mar 2008
Location: Surrey
Posts: 1846
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Standard pressure is fine but some are unhappy with loss of MPG so to make it a little better up 2-4psi. Andy.
www.ajstyres.co.uk 01737 241370.
Always best to phone if you can.
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| Mon Dec 05 2011 5:44pm |
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al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 5074
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well my MPG had improved, but I will take them up slightly to see if the ride improves a little.
Cheers
Al TDV6 XS Auto - Lugano Teal with Almond Leather, 20" Stormers, Shiny Tailpipes, DVD/TV, BAS Electrickery - and obligatory D3 sticker
Old - TDV6 S - Tonga with Ebony, 20" Stormers, satnav & DVD
If you think you are too small to make a difference - you've never shared a bedroom with a mosquito
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| Mon Dec 05 2011 7:09pm |
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