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Tyre problem
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Roger-hatchy



Joined: 07 Dec 2007
Posts: 2135
Location: Tiptree, Essex
PostPosted: Sat Jun 02, 2012 10:47 am    Post subject: Tyre problem Reply with quote
Anyone know what would be the cause of this distortion.

I had a similar problem about 10 years ago, this is the second one I have seen like this.
This was on a friends Mk 4 cortina, I have emailed him as to the age of the tyre, no answer yet

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peter scott



Joined: 18 Dec 2007
Posts: 7219
Location: Edinburgh
PostPosted: Sat Jun 02, 2012 1:01 pm    Post subject: Reply with quote
Hi Roger,

I assume that's it off the wheel. Looks like a bad case of kerbing that has broken some cords.

Peter
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1939 SS Jaguar 2 1/2 litre saloon
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MVPeters



Joined: 28 Aug 2008
Posts: 822
Location: Northern MA, USA
PostPosted: Sat Jun 02, 2012 1:35 pm    Post subject: Reply with quote
Quite probable - inflated there will likely be a big bulge in the sidewall.

Hard to tell from a photo, but it could be 'scalloping' - sort of self-explanatory. It usually extends evenly around most of the tyre. Usual cause is a weak strut or shock, the wheel doesn't have to be out of balance to cause this. Ford were one of the earliest to use struts & I seem to recall that their tyres had to be balanced ON the car. A sort of rotating broom spun the wheel - I don't know how the actual balancing was done.
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