Tyre Pressure for High Speeds?

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viperbl
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Tyre Pressure for High Speeds?

Post by viperbl » Thu Sep 06, 2007 10:31 am

Does anyone know what kind of pressure I should have in my tyres for high speeds?

I have RS4 wheels with Michelin Sport Contact Extra Load 255/35/18's?

Cheers
RS4 B5 Saloon8) with 750+ bhp :D
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cossymad
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Post by cossymad » Thu Sep 06, 2007 2:26 pm

At high speed the tyre pressure will increase due to the temperature increasing the air pressure. -2psi from recommended pressure, or fill tyres with Nitrogen, available from lots of tyre places. Nitrogen pressure will not increase with temperature increases, like air. :D
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viperbl
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Post by viperbl » Thu Sep 06, 2007 3:05 pm

Just found this on Michelin's website ...

They say for the RS4, 36 front and 33 rear ... for high speed driving, 41 all round ...

http://www.michelin.co.uk/uk/auto/auto_ ... 0&saison=S
RS4 B5 Saloon8) with 750+ bhp :D
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GrahamS4
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Post by GrahamS4 » Thu Sep 06, 2007 3:44 pm

I always find so much totally contradicting advice re tryre pressures - I mean some saying deflate and some inflate can't get any more opposing, that I leave mine the same all the time!
Present: 2010 Ice silver B8 S4 s-tronic saloon (standard)
Past: 1998 Agate grey B5 S4 saloon (MRC tuned)
Hers: 2011 Volcano red 8P A3 Sportback 2.0 TDI 170 sport quattro
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