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Inner tyre wear normal?

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Old May 18, 2009 | 12:17 AM
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Default Inner tyre wear normal?

Getting some new tyres fitted tomorrow to the front of my MY05. Standard Bridgstones on the 17's.. Ive noticed that the tyres have worn on the inner edge more that the outer edges.. Is this normal of the standard front suspension set up?

The fitter is bound to comment and try to get me to have the tracking checked and adjusted just by his observations. I woudn't let them do that regardless as in my experience they balls it all up and the steering wheel is never centred afterwards.

I'm thinking of a vist to TGM soon to get the suspension checked and adjusted if necessary..
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Old May 18, 2009 | 12:43 AM
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I could be wrong but inner tyre wear would be down to the camber setting most likely.

Definately worth getting a geometry done. Depending on where you live Wheels in Motion in chesham is in the same building as BlackBoots, and it might be worth them getting a peek at the old tyres to give them any hints at where there are issues
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Old May 18, 2009 | 02:56 AM
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If you live in an area where there are lots of roundabouts, the inner tyre edge will go first reguardless of geometry.
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Old May 18, 2009 | 03:03 AM
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Originally Posted by eho,May 18 2009, 10:56 AM
If you live in an area where there are lots of roundabouts, the inner tyre edge will go first reguardless of geometry.
Is that based on personal experience or on known facts? Why would living in an area with lots of roundabouts be the cause of inner tyre wear?
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Old May 18, 2009 | 03:04 AM
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Originally Posted by eho,May 18 2009, 10:56 AM
If you live in an area where there are lots of roundabouts, the inner tyre edge will go first reguardless of geometry.
Sure about that?

Normally inner tyre wear means too much time going in a straight line. In other words, it's nature's way of telling you to move to Milton Keynes.
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Old May 18, 2009 | 03:27 AM
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I thought this was a symptom of camber settings for cars with power steering! I've had it on every car I've ever owned that has power steering...never had on my mini (original shape...not the pish bmw try and palm off as a mini!) or R5 which didn't have power steering.

Cheers

Coxy
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Old May 18, 2009 | 03:28 AM
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@ Dembo.

S2000's geo should be set to allow grip going around corners hence the chamber. If you tend to do a lot of motorway miles or never corner hard then the tyre will naturally wear on the inner edge.

Eho. Going around lots roundabout like you refer will cause the car to lend on the outside edge of the tyre. Opposite to how you put it.
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Old May 18, 2009 | 06:32 AM
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Originally Posted by Survey S2000,May 18 2009, 12:28 PM
Eho. Going around lots roundabout like you refer will cause the car to lend on the outside edge of the tyre. Opposite to how you put it.
Surely when you go round the roundabout, the OSF and OSR tyre will lean on the inner edge thus making it wear faster? Vice versa on the other side.
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Old May 18, 2009 | 06:59 AM
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Originally Posted by eho,May 18 2009, 02:32 PM
Surely when you go round the roundabout, the OSF and OSR tyre will lean on the inner edge thus making it wear faster? Vice versa on the other side.
Yes but it's the outer tyres that are the ones doing most of the work and suffering the most wear.
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Old May 18, 2009 | 09:09 AM
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Its simple really, if you turn right like on a roundabout the car will try and lean on the left. This applies to the left set of tyres and also the left part of the tyre thread.

In really hard cornering the classic golf trick of lifting its inside wheel is a good example. showing how the inside tyre will be doing alot less work.
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