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Thread: 245/35/19 what tyre pressures to use now?

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    Regular Member paz_badboy4life's Avatar
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    Question 245/35/19 what tyre pressures to use now?

    Hi guys. I've got my new tyres on, but now that I've got a wider profile I don't know what tyre pressures to keep them at? What would be your recommendations? & what are people running on?

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    Regular Member lee gsi's Avatar
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    I run mine at 41 psi

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    Regular Member coldo's Avatar
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    I would have said arround 38 PSI going on the basis that you double the wheel size to get teh presure to be used

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    Full Member neverlandandy's Avatar
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    double the rim size and add 2psi and you wont be far wrong

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    North West Regional Organiser paulvectrac's Avatar
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    I run 38 in mine but there 235/35/19

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    New Member a wet monk's Avatar
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    This is a straight forward question...
    Vauxhall specify for 235/35/19:
    Front = 38
    Rear = 33
    Here's the thing - psi stands for pounds per square inch and therefore we're talking about something that has no relation to the volume of the tyre. You could double the width of the tyre and it would still run best at the above pressures ^_^

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    New Member a wet monk's Avatar
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    Quote Originally Posted by paulvectrac View Post
    I run 38 in mine but there 235/35/19
    I would advise that running 38 all round is a bad idea. I don't know how you drive, but if you're like me and every drive into work is like a session at silverstone then you should reduce the air in the rear to 33 as even vauxhall accepted that our cars were awful at cornering. The lower pressure will make sure you don't find yourself looking in the direction you came from everytime you try to 'let off stream' on a country Lane!

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    Regular Member paz_badboy4life's Avatar
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    Thanks for all the replies guys. Much appreciated.

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    New Member a wet monk's Avatar
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    *steam

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    Regular Member lee gsi's Avatar
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    Pretty sure autodata says 41 psi

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