What tyre pressure do you run at?

[EL BURITO]

42PSI all round on my 17's

[dieselhead]

42 psi! this thread started to look like an ebay auction guys
isn't that too high? i know a 20" would be ok at that pressure, but a 17"? just asking here, not telling...

[PaulyJ]

I got 205/45/R16 on mine, and now running 40psi after reading this.
Feels a little different, but not much.
Might need to go thru some proper corners to determine if there was a diff.

[cyclonic]

I always run at the maximum that my tyres are listed for on their sidewall. Read your tyre, find the max pressure than drop back a little from that, unless you're looking for good fuel economy.

[AF1R]

SRi-T stock 17's> some of u guys are running 40psi all round and some running higher for the front than for the back>>
What are the advantages and disadvantages.

[Bill_G]

Higher pressures = longer tyre life and better handling & fuel economy, but a harsher ride.

[Tfer]

Running 235/45/17's on the Veccy C..... and 40psi at all four corners. After a service, first thing I do is head to a servo, get out my own tyre gauge, and reset the pressures (bastards always lower the pressures)

[woody]

Some basic tips

Do not check the air pressure when the tyres are hot.
For high speed driving, add 3-4 PSI.
Valve cores & valve caps should be tightened properly to prevent air leaks.
Both tyres per axle should have the same air pressure but may be different front to back.

Overinflating your tyres will increase central tyre wear, front to rear should normally be different unless you have a 50 50 balance car. This is to compenstate for the weight of the engine. Your manufacturers plaquard for tyre pressure is set for comfort - read the plaquard and if you perefer a higher pressure use the guide for load/highway driving +3 Psi that should be sufficient for the fuel benefits without compromising on the effectiveness of the tyre or increasing wear.
Check the tyre pressure at least once a week.

[dustbug]

If you put too much pressure into your tyres you will get all tyre wear to the centre on your tyres while if you under inflate your tyres you will get tyre wear on the inside and outside of your tyres. Best is to go for the perfect presure.

Notice your side tyre walls max presure is for a fully loaded car of 5 passangers and luggage in the boot.

[pred8r]

34 for the Corsa (17"s)
70 for my van (TRY to find somewhere that goes that high)