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Tyre Pressure for High Speeds?
Posted: Thu Sep 06, 2007 10:31 am
by viperbl
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
Posted: Thu Sep 06, 2007 2:26 pm
by cossymad
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.
Posted: Thu Sep 06, 2007 3:05 pm
by viperbl
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
Posted: Thu Sep 06, 2007 3:44 pm
by GrahamS4
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!