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Old 12-05-2017, 09:04 PM
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Classic modern or modern modern tyres!?

So gang, one of my colleagues at work is a total high quality geek and really goes to the nth degree on things.

He runs a very nice condition Bristol and just spent 1600 on new tyres manufactured to old specs to keep it totally original. I told him I can get 4 sets of 4 Michelins and change for my A4 for that money!

His retort to my A4 jibe was the diagram below from his mechanic / tyre seller (no hidden agenda there)!

But the logic says the old cars' suspension and geometries were set up for old tyres, so with new tyres they are not going to break away progressively.

Any thoughts, experience, prior punch ups on this topic?


Last edited by smileyinside; 12-05-2017 at 09:09 PM..
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Old 12-05-2017, 09:13 PM
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I think that if you are showing to Concours standard, or you have a vintage car with wire wheels etc. then it has to be the classic tyre. Otherwise why spend silly money on something that will only wear out. A modern tyre will look fine on a classic car.
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Old 12-05-2017, 09:18 PM
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Historic race cars have to use old spec racing tyres.
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Old 12-05-2017, 09:24 PM
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My immediate thought was are they any good for staying on the road with modern traffic cornering speeds / are the tyre walls less sturdy than modern tyres.

The tragic part of our conversation was that he hasn't driven the car for 11 months and is worried he may have flat spots from the car just standing! :s

A lot of money to throw away if he has damaged them.
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Old 12-05-2017, 09:25 PM
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Quote:
Originally Posted by Rob Gaskin View Post
Historic race cars have to use old spec racing tyres.


👍👍

Didn't know that!
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Old 12-05-2017, 09:40 PM
franky franky is online now
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old spec rubber built using modern techniques though.

Given the modern nature of the s30 suspension design I don't think its a factor to worry about, the only concern would be the running low profile or extra load tyres as thats not what the suspension design was designed to run with. Saying that running none standard suspension does change things.

Worth always considering that the very fastest of the HSCC cars do not run fully polybushed joints.
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Old 13-05-2017, 10:31 AM
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There are a couple of companies that specialise in classic tyre remanufacture. My 38' Humber runs on original spec Dunlop tyres. Modern tyres wouldn't fit the rims and would look stupid anyway.
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