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Firstly thanks in advance,

Does anyone know what the standard tyre pressures are for a GTA on 17" Teledials in PSI?

My owner's manual only provides BAR ratings and my local garage only has an older style 'PSI' inflator.

Sorry its a very straight forward and mindless question!
 

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Hi there

I have 17 inch teledials with Michelin PS2s and run them at 2.7 bar at the front (which is 39pis) and 2.5 bar at the back (which is 36psi).

This is midway between the two ranges given in the manual (i.e. 2 people and fully loaded).
 

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I've always run mine at 40 psi front / 37 psi rear, for very fast road work under UAE conditions. This provides good handling and even tyre wear.
 

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Difficult to say because I've always run them at 40/37. I'm sure the ride is a little stiffer, but not uncomfortably so.

What I do notice is that if I'm a bit slack and don't check the pressures for a couple of weeks, the car feels instantly more alert when I do bring the pressures up again.
 
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