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Author: Subject: Tyre wear
smart51

posted on 10/7/08 at 11:45 AM Reply With Quote
Tyre wear

My tyres have 3 big groves running round the tyre, plus lots of smaller groves across the edges of the tyre. Does the legal limit apply to all the groves or just the deeper central ones?

I have 2.5 - 3.0mm in the central tread and 1.7 - 1.9mm in the outer treads.

The tyres are on my Peugeot. The car is 2 years old and has worn out its second set of tyres. I only do 9000 miles a year. Prevous cars' tyres have lasted for years. Given that the wear is fairly even (a little more on the inner edge but not much), is it just a "feature" of the 107 or does something need adjusting?

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Mr Whippy

posted on 10/7/08 at 11:52 AM Reply With Quote
legally its when you reach the wear indicators where ever they are on the tyre






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gingerprince

posted on 10/7/08 at 11:52 AM Reply With Quote
The law states something like over75% of the tyre doesn't it? So doesn't matter whether it's the outside, middle or inside that's good, so long as 75% of it is above the threshold.
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speedyxjs

posted on 10/7/08 at 11:53 AM Reply With Quote
NOt too sure but i normally replace mine when whey get a bit close. Better to be safe than sorry





How long can i resist the temptation to drop a V8 in?

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alistairolsen

posted on 10/7/08 at 11:56 AM Reply With Quote
it has to be a continuous band spanning 75% of the tread width of the tyre AFAIK

Id replace those with the weather we get in this wonderful country!

No idea why its killing tyres so quickly, what type of tyres are they? is it only killing fronts?

tracking correct?

wear pattern sounds like underinflation

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smart51

posted on 10/7/08 at 12:08 PM Reply With Quote
quote:
Originally posted by alistairolsen
No idea why its killing tyres so quickly, what type of tyres are they? is it only killing fronts?

tracking correct?

wear pattern sounds like underinflation


They are contis, same as they came from the factory. The original rears are still fitted and have plenty of wear in them, but that's normal for a small FWD hatch. It drives straight and true but then I haven't had the geometry checked at all.

As for under inflation, the recommended pressure is 2.2bar, which is a bit high, so I do have to top them up regularly.

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alistairolsen

posted on 10/7/08 at 03:46 PM Reply With Quote
2.2 bar is what, 31psi? sounds about right for shitty high profile crap to me.

get the geometry checked out, on the nova I feel it straight away and get it checked, with the PAS on the vectra not so much, it was 3mm toe in as opposed to 1 out which would murder tyres. Normally one shoulder more than the other.

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:{THC}:YosamiteSam

posted on 11/7/08 at 09:23 AM Reply With Quote
i'm gonna guess its a diesel engine?

if it is you will find that the engine will be nearly twice as heavy as the petrol version of the car - this then creates the designer a big problem - corner weighting - understeering - stability

to help counter this they usually have to uprate springs - use softer tyres and play about with the settings

its a downside to owning a diesel..

my last one got 15k out of a Note...

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Michael

posted on 11/7/08 at 08:35 PM Reply With Quote
I find tyres are normaly worn out on 107's at about 9k.

Clutches are also prone to wear quickly if riden, or used to learn to drive in.

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Vindi_andy

posted on 14/7/08 at 10:58 AM Reply With Quote
If it is both outer shoulders i suggest too much toe in

Get it checked against manufacturers recomendations

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Mark Allanson

posted on 14/7/08 at 11:22 AM Reply With Quote
quote:
Originally posted by Vindi_andy
If it is both outer shoulders i suggest too much toe in

Get it checked against manufacturers recomendations


It would only be toe if the blocks are feathering, if not it is probably sheer exuberance. It was said earlier that tyres are illigal if upto the wear indicators, not quite true, most indicators are set to 2mm, worth knowing if pulled up! Having said that, I always change my tyres when between 2.5mm and 3mm





If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation

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britishtrident

posted on 17/7/08 at 11:00 AM Reply With Quote
quote:
Originally posted by Michael
I find tyres are normaly worn out on 107's at about 9k.

Clutches are also prone to wear quickly if riden, or used to learn to drive in.


The clutch release bearing is way under sized and also prone to breaking up !





[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]

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