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Tyre Stretching



  Never above 25mpg
Just been through Google and accidentally stumbled upon this:

http://www.ukpoliceonline.co.uk/index.php?showtopic=24937

I know there've been a few debates about the legality of it amongst us but on Page 2 it clears up that wheels can't protrude more than 30cm out of the edge of the car.

The police forum does seem a little bias towards any involvement in car modification and from a post it seems that they mainly know of the chav modified cars.

Thought it may be a good read for someone anyway :eek:

Also, I put this in here as I didn't really feel that there were that many with stretched tyres, if at all! :)
 

The Boosh!

ClioSport Admin
  Elise, Duster
think you read it wrong mate. just found it..

copper/fed site said:
2.1.2. The rear of the wheel guards must not terminate above a horizontal plane 150 mm above the axis of rotation of the wheels (as measured at the wheel centres) and furthermore the intersection of the edge of the wheel guard with this plane (point A, figure 1) must lie outside the median longitudinal plane of the tyre, or in the case of twin wheels the median longitudinal plane of the outermost tyre.

2.1.3. The contour and location of the wheel guards shall be such that they are as close to the tyre as possible ; and in particular within the part formed by the radial planes referred to in 2.1.1, they shall satisfy the following requirements: 2.1.3.1. the projection - situated in the vertical plane of the tyre axis - of the depth (p) of the outer edge of the wheel guards, measured in the vertical longitudinal plane passing through the centre of the tyre, must be at least 30 mm. This depth (p) may be reduced progressively to zero at the radial planes specified in 2.1.1;


In short, the wheel must NOT protrude more than 30mm past the edge of the mudguard
 
  Revels Mum & Sister
LOL 3cm thats more like it

There was a lad I knew who I did my apprenticeship with totalled his car and died he had wheels that stuck out massivly due to the wrong offset. They trailered his car around to car shows to show the dangers of it!
 
  Insignia for sale
LOL 3cm thats more like it

There was a lad I knew who I did my apprenticeship with totalled his car and died he had wheels that stuck out massivly due to the wrong offset. They trailered his car around to car shows to show the dangers of it!

Fuckin hell, that's a bit harsh!

As for that website! Rammed full of do-gooder busybody fuckwits.
However, I wouldn't imagine stretching tyres can be that healthy for the rubber like. I quite like the look on some cars though.
 
  LY 182
not questioning, but i fail to see how wheels being wider than the arches is a CAUSE for him totaling his car????

if the wheels were the wrong offset handling would change, if they sat wider out then yes you'd get different charecteristics but a cause for crashing it?
 

The Boosh!

ClioSport Admin
  Elise, Duster
not questioning, but i fail to see how wheels being wider than the arches is a CAUSE for him totaling his car????

if the wheels were the wrong offset handling would change, if they sat wider out then yes you'd get different charecteristics but a cause for crashing it?

Bad driving skills IMO
 
  LY 182
not questioning, but i fail to see how wheels being wider than the arches is a CAUSE for him totaling his car????

if the wheels were the wrong offset handling would change, if they sat wider out then yes you'd get different charecteristics but a cause for crashing it?

Bad driving skills IMO
exactly, fair enough the kids died and people are trying to justify it etc but christ if he spaced the wheels out a foot a side its still not going to dangerous handling charecterisc wise
 
if he spaced the wheels out a foot a side its still not going to dangerous handling charecterisc wise

Maybe I'm misunderstanding this, but surely the issue isn't the wheels being spaced out further than the should? IT's probably not sensible, but should cause too much of an issue.

The problem is the tyres are actually stretched out of shape, which must make a right mess of the effective grip pattern. Would any of you run your tyres massively over/under-inflated, which would equate to the same sort of thing?

Please correct me if I'm wrong :S
 

The Boosh!

ClioSport Admin
  Elise, Duster
if he spaced the wheels out a foot a side its still not going to dangerous handling charecterisc wise

Maybe I'm misunderstanding this, but surely the issue isn't the wheels being spaced out further than the should? IT's probably not sensible, but should cause too much of an issue.

The problem is the tyres are actually stretched out of shape, which must make a right mess of the effective grip pattern. Would any of you run your tyres massively over/under-inflated, which would equate to the same sort of thing?

Please correct me if I'm wrong :S

They have been doing it in europe for ages now and they get through their MOT fine, which might i add is much stricter than ours. Also, the answer in the article doesn't really answer the question about tyre stretching, just how far wheels can stick out. as long as its done correctly i cant see how it would make a mess of the grip if the inflation is adjusted accordingly. surly road surface contact would be the same. Race cars also use streatched tyres IIRC (the proper american ones)
 
  Fiesta ST
I reckon his tyres stick out more than 30mm:

four_wheel_drive_tractor.jpg
 


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