speedyxjs
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| posted on 25/6/09 at 04:25 PM |
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What is this caused by?
There is a strange yellowish line around the edge of all my tyres and i am just curious what it is caused by.
 
Rescued attachment DSC00228.JPG
How long can i resist the temptation to drop a V8 in?
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BenB
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| posted on 25/6/09 at 04:26 PM |
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Mud? Presumably it gets wiped off the actual tyre surface? 
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speedyxjs
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| posted on 25/6/09 at 04:28 PM |
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Sorry, no it wont wash off. Give me a minute and il make the pic a bit smaller 
How long can i resist the temptation to drop a V8 in?
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speedyxjs
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| posted on 25/6/09 at 04:30 PM |
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Well it wont let me change the image but here is another (hopefully a bit clearer).
 
Rescued attachment DSC00227.JPG
How long can i resist the temptation to drop a V8 in?
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nitram38
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| posted on 25/6/09 at 04:35 PM |
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Hot days and parking on yellow lines?
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speedyxjs
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| posted on 25/6/09 at 04:38 PM |
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quote:
Originally posted by nitram38
Hot days and parking on yellow lines?
No, its actually on the side. Its really wierd 'cos its on all four tyres and seem pretty even. I was a bit worried incase it was a sign of
over-heating or something like that.
How long can i resist the temptation to drop a V8 in?
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mediabloke
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| posted on 25/6/09 at 05:49 PM |
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It's not just the dust that the tyres have picked up, having got hot with scrubbing, the warm temperature, etc., is it..? Just that it looks
more sand-coloured to me (or may just be my monitor).
Francis
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Peteff
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| posted on 25/6/09 at 05:59 PM |
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It might be mould release from when the tyres were made. Get some foam tyre cleaner from Wilko or some boot polish.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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r1_pete
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| posted on 25/6/09 at 06:53 PM |
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Don't know what it is but my fronts are the same, maybe it something to do with scuffing whilst cornering.
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andrew-theasby
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| posted on 25/6/09 at 07:15 PM |
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I got that on my last car, i put it down to using tyre silk (that spray stuff to make em shiny) after the silk had gone they looked like that. Could
be completely wrong tho
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Steve G
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| posted on 25/6/09 at 08:07 PM |
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I'd say mould release agent leaching out of the tyres where they get warm in use and isnt scrubbed of by the road
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StevieB
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| posted on 25/6/09 at 08:08 PM |
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My mate got it on his tyres following a bit of hard trackday abuse - I think it's to do with the heat through the tyres
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eccsmk
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| posted on 25/6/09 at 11:33 PM |
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looks like a mix of tyre black and muck/dirt.
some decent wheel/tyre cleaner or in my case aviation fuel 
will bring it up then add some decent tyre black and it will look like new again
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speedyxjs
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| posted on 26/6/09 at 06:16 AM |
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I do use turtlewax tyre stuff on them so it must be that. Cheers guys
How long can i resist the temptation to drop a V8 in?
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MakeEverything
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| posted on 26/6/09 at 06:29 AM |
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Its caused by Heat from driving.
It is some of the chemicals from the rubber coming out to the surface as a result of the tyre being plyable, and being worked when you drive. If the
tyres didnt have any oil or chemicals still in them, they dry out and crack.
This is why they tyre fitters tell you to take it easy with new tyres, because they need to be scrubbed in to get rid of the surface oils on the tyre.
Same with bikes.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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