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Author Topic: 17" tyre pressure  (Read 2888 times)

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Offline STU84W

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17" tyre pressure
« on: Mar 9, 2006, 04:42PM »
just put on a set of 17"x7 rims with 205/40 rubber on them.

wat pressure should i pump them up to?  at the moment i'm sitting at a comfy 32psi.  wat does everyone else have?

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Offline rathies

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Re: 17" tyre pressure
« Reply #1 on: Mar 9, 2006, 05:06PM »
whatever the tyre says. if thats not good enough, like my car, then fill em up till the tyres stop bulging.
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Offline TRXXX

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Re: 17" tyre pressure
« Reply #2 on: Mar 9, 2006, 05:38PM »
yeh i put mine on 34psi
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Offline STU84W

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Re: 17" tyre pressure
« Reply #3 on: Mar 9, 2006, 05:43PM »
the tyre only mentions the maximum tyre pressure...
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Offline Kool

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Re: 17" tyre pressure
« Reply #4 on: Mar 9, 2006, 06:22PM »
32psi
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Offline Barnett

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Re: 17" tyre pressure
« Reply #5 on: Mar 9, 2006, 06:32PM »
36

[Barnett]
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Offline Jono

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Re: 17" tyre pressure
« Reply #6 on: Mar 9, 2006, 06:52PM »
Put them around 32-36psi and then check your tyre wear, as in are the shoulders more worn than the centre... then adjust your tyre pressure to suit.
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Offline Kranzy

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Re: 17" tyre pressure
« Reply #7 on: Mar 10, 2006, 12:45AM »
Shit i run 42 in my tyres. If it drops below 40 i check it and pump them up. Ive been advised to run them this high and havnt had any dramas with abnormal wear.
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Offline Jono

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Re: 17" tyre pressure
« Reply #8 on: Mar 10, 2006, 12:52AM »
Well there you go fellas, try 42 or so and then adjust them if you get abnormal wear.
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Offline SSS

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Re: 17" tyre pressure
« Reply #9 on: Mar 10, 2006, 06:50AM »
38-40.
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Offline STU84W

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Re: 17" tyre pressure
« Reply #10 on: Mar 10, 2006, 07:59AM »
well, i'm definately going to put a little bit more air in them in this case.  32 seems to be at the lowest end of the range.

thanks guys
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Offline fraz

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Re: 17" tyre pressure
« Reply #11 on: Mar 10, 2006, 08:55PM »
It depends where you drive and how you drive, and what kind of ride you want.

More pressure = more bumps + wear the centre of the tyre more than the outsides
less = wear the shoulders of the tyres more, but you will haev more grip and it will absorb more of the smaller bumps.

i have 215/45/17 and i run about 36psi. When i got home, 500kms( 300km of it is reasonably quiet country roads with 150-200km of twisty stuff) i let them down to 28 for the extra grip.
Running lower pressures means they will also get hotter when you are caning it and they will wear faster but grip a lot more!
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Offline Rake

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Re: 17" tyre pressure
« Reply #12 on: Mar 11, 2006, 01:00AM »
A lot of people drop tyre pressures a lot for drags (20psi?), but I don't think such a low pressure would be good for caning the car around corners.

I run mine around 36psi also. I wish I had a big skidpan or whatever so I could really experiment with the car
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Offline noss

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Re: 17" tyre pressure
« Reply #13 on: Mar 21, 2006, 09:39AM »
i run mine at 38.. i used to run them at 34, but they always looked flat.
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Offline Budgie

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Re: 17" tyre pressure
« Reply #14 on: Mar 21, 2006, 10:02AM »
I run my 17's at 38psi as well.
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Offline 79Rod

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Re: 17" tyre pressure
« Reply #15 on: Apr 5, 2006, 10:33AM »
the weight u usally transport....
"max tire pressure @ max load"
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Offline nickstrx

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Re: 17" tyre pressure
« Reply #16 on: Jun 11, 2006, 11:11AM »
i just put my 17's on and i think i got about 38psi in the tyres
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