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Author Topic: Tyre width, shock fouling  (Read 6643 times)

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05omegav6

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Re: Tyre width, shock fouling
« Reply #15 on: 14 July 2012, 18:17:20 »

Would've thought 10-20 mm of lateral movement at the road could be normal under heavy cornering with soft tyres :-\
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cem_devecioglu

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Re: Tyre width, shock fouling
« Reply #16 on: 14 July 2012, 19:28:54 »

Just to add:

The 1.hub position, and therefore the wheel position, is fixed in relation to the strut :y once the hub/strut bolts are tightened, they are essentially the same part. Any movement happens either at the ball joint between the hub and lower arm, or at the top of the strut. :y in either case well away from where the rim is next to the strut. 2.Tyre flex under duress should be the only cause of contact between strut and wheel :-\

 
1.yep..
 
 
2.for a 1 mm play in tire shape , you need to jump in a half meter deep pothole ;D
You'd be very suprised. Clearly. ;)

Opti will son report , if there will be any play.. let see ;D
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feeutfo

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Re: Tyre width, shock fouling
« Reply #17 on: 14 July 2012, 20:24:39 »

Just to add:

The 1.hub position, and therefore the wheel position, is fixed in relation to the strut :y once the hub/strut bolts are tightened, they are essentially the same part. Any movement happens either at the ball joint between the hub and lower arm, or at the top of the strut. :y in either case well away from where the rim is next to the strut. 2.Tyre flex under duress should be the only cause of contact between strut and wheel :-\

 
1.yep..
 
 
2.for a 1 mm play in tire shape , you need to jump in a half meter deep pothole ;D
You'd be very suprised. Clearly. ;)

Opti will son report , if there will be any play.. let see ;D
Cem, I find your posts rather rude. But maybe there is a misunderstanding. Can you please explane exactly what your, apparently, mocking tone is for please? :-\
Are you saying that tyres do not deflect?
Or that this size will fit regardless without issue?
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Lazydocker

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Re: Tyre width, shock fouling
« Reply #18 on: 14 July 2012, 21:43:41 »

Just to add:

The 1.hub position, and therefore the wheel position, is fixed in relation to the strut :y once the hub/strut bolts are tightened, they are essentially the same part. Any movement happens either at the ball joint between the hub and lower arm, or at the top of the strut. :y in either case well away from where the rim is next to the strut. 2.Tyre flex under duress should be the only cause of contact between strut and wheel :-\

 
1.yep..
 
 
2.for a 1 mm play in tire shape , you need to jump in a half meter deep pothole ;D
You'd be very suprised. Clearly. ;)

Opti will son report , if there will be any play.. let see ;D
Cem, I find your posts rather rude. But maybe there is a misunderstanding. Can you please explane exactly what your, apparently, mocking tone is for please? :-\
Are you saying that tyres do not deflect?
Or that this size will fit regardless without issue?
Don't be so over-sensitive Chris... Don't forget he's writing in a foreign language ;) I frequently do, especially now his written English is so good :-[ ;)
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cem_devecioglu

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Re: Tyre width, shock fouling
« Reply #19 on: 14 July 2012, 21:46:32 »

Just to add:

The 1.hub position, and therefore the wheel position, is fixed in relation to the strut :y once the hub/strut bolts are tightened, they are essentially the same part. Any movement happens either at the ball joint between the hub and lower arm, or at the top of the strut. :y in either case well away from where the rim is next to the strut. 2.Tyre flex under duress should be the only cause of contact between strut and wheel :-\

 
1.yep..
 
 
2.for a 1 mm play in tire shape , you need to jump in a half meter deep pothole ;D
You'd be very suprised. Clearly. ;)

Opti will son report , if there will be any play.. let see ;D
Cem, I find your posts rather rude. But maybe there is a misunderstanding. Can you please explane exactly what your, apparently, mocking tone is for please? :-\
Are you saying that tyres do not deflect?
Or that this size will fit regardless without issue?

Why Chris ? ???
 
I dont see any mocking tone :-\  as explained above strut and lower arms are a whole part with tire..
 
and as far as I know there are many joints/bushes which will move before the tire looses its shape (unless it has low pressure).. besides the steel carcass inside the tire will hardly permit the tire to go more upwards :-\
 
now, as I see either my language is not adequate to tell or your not in good mood tonight..  :(
 
ps: must admit I'm also not very sure but my opinion tends towards that upward movement of tire inside the strut and arms/wishbones etc will be very limited.. an exception may be if you hit the side walls or another reason may be.. for that reason I said lets see..
 
pps: another parameter is when the tires start to loose thread depth problem will finish..
« Last Edit: 14 July 2012, 21:59:35 by cem »
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dejbear

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Re: Tyre width, shock fouling
« Reply #20 on: 14 July 2012, 22:01:55 »

Surely tyre when at top will of returned to normal, thats why low pressure causes more flexing of sidewall and creates more heat in tyre at speed.
If there was any chance of problem vx wouldn't of fitted 235/45 17 for so long, it would of caused a massive recall!
I worked in dealerships for over 10 years and never heard of any tyre rubbing  :y
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feeutfo

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Re: Tyre width, shock fouling
« Reply #21 on: 14 July 2012, 22:16:59 »

Just to add:

The 1.hub position, and therefore the wheel position, is fixed in relation to the strut :y once the hub/strut bolts are tightened, they are essentially the same part. Any movement happens either at the ball joint between the hub and lower arm, or at the top of the strut. :y in either case well away from where the rim is next to the strut. 2.Tyre flex under duress should be the only cause of contact between strut and wheel :-\

 
1.yep..
 
 
2.for a 1 mm play in tire shape , you need to jump in a half meter deep pothole ;D
You'd be very suprised. Clearly. ;)

Opti will son report , if there will be any play.. let see ;D
Cem, I find your posts rather rude. But maybe there is a misunderstanding. Can you please explane exactly what your, apparently, mocking tone is for please? :-\
Are you saying that tyres do not deflect?
Or that this size will fit regardless without issue?

Why Chris ? ???
 
I dont see any mocking tone :-\  as explained above strut and lower arms are a whole part with tire..
 
and as far as I know there are many joints/bushes which will move before the tire looses its shape (unless it has low pressure).. besides the steel carcass inside the tire will hardly permit the tire to go more upwards :-\
 
now, as I see either my language is not adequate to tell or your not in good mood tonight..  :(

Well let's see.
You find the concept of fitting poly bushes with wishbones still on the car laughable going by historic posts.  Even though almost all members with poly fitted have done exactly that. Including myself. Tb, Kevin Wood, and Guffers have all done exactly that in my presence iirc. As has Seth and Turk going by posts here. To name a few.:)

You feel the need to insist all members have winter tyres fitted and find the concept that we don't need anything other than summer tyres laughable.

There are numerous posts on here with members reporting rubbing issues on roundabouts or similar to later be diagnosed with excess camber/rim protection and or odd sized tyres being the cause.
Plus the nature of my post in this thread would surely show, that I have first hand experience of this problem with my own cars due to experimentation with set up. Yet, again, there appears to be some laughable aspect to a concept that may not appear clear to yourself. :-\

I don't really understand your apparent tone. If I have misunderstood I appologise unreservedly. But  I can assure you, with first hand experience, and through diagnosing and reading other members problems on here and working on their cars with my own hands...

A tyre can/will deflect enough to rub the shock in corners, even though it spins freely without rubbing when tested jacked up on the drive. It is strange I know, and there could be numerous causes. Wheel barings, play and wear ruled out. Tyre temp and pressue increases maybe. But that is the nature of it. Do you think I would go to the trouble of posting, if it wasn't based on experience. :) I am very concerned if you feel that is the case? Hopefully I have misunderstood somewhere?
 
I have a pair of wheels in standard size in the garage that physically will not fit on the hub, because the rim protection is so wide.
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cem_devecioglu

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Re: Tyre width, shock fouling
« Reply #22 on: 14 July 2012, 22:22:38 »

no need to apologize Chris.. its a technical discussion and people share their thoughts, opinions and experinces..
 
and I wish you gave more detail instead of saying I would be more surprised.. ;D  now thats sarcastic  ;D ;D :y
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feeutfo

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Re: Tyre width, shock fouling
« Reply #23 on: 14 July 2012, 22:28:29 »

no need to apologize Chris.. its a technical discussion and people share their thoughts, opinions and experinces..
 
and I wish you gave more detail instead of saying I would be more surprised.. ;D  now thats sarcastic  ;D ;D :y
your right cem. I should have asked for explanation earlier, instead of replying similarly. But clearly, you really would be suprised. As you rightly say. :)
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Field Marshal Dr. Opti

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Re: Tyre width, shock fouling
« Reply #24 on: 15 July 2012, 15:42:05 »

A couple of piccies of the shock and tyre relationship





Looks okay I think  :y

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Elite Pete

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Re: Tyre width, shock fouling
« Reply #25 on: 15 July 2012, 15:51:21 »

Yes, early Elite wheels.

Early Elites were 15" or 16" its only the later Facelift Elite that had 17" ;)
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cem_devecioglu

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Re: Tyre width, shock fouling
« Reply #26 on: 15 July 2012, 16:07:53 »

A couple of piccies of the shock and tyre relationship





Looks okay I think  :y

yep.. cant see any sign of interference.. :y
 
 however,  any spacer can finish this "close relation" forever :)
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SMD

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Re: Tyre width, shock fouling
« Reply #27 on: 21 August 2012, 12:03:56 »

Small update,

Had the wheel off yesterday and noticed a shine on the centre of the shock where the wheel had possibly been rubbing. Tyre pressure is 2.3 bar and there is a tiny gap when on cold tyres so I'm guessing this increases when warm and causes the rubbing. Tyre looks fine.

I noticed a faint whirring sound on a motorway run yesterday, wonder if this is why (or probably because my pinion seal is weeping  ::) )
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cem_devecioglu

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Re: Tyre width, shock fouling
« Reply #28 on: 21 August 2012, 12:43:51 »

Small update,

Had the wheel off yesterday and noticed a shine on the centre of the shock where the wheel had possibly been rubbing. Tyre pressure is 2.3 bar and there is a tiny gap when on cold tyres so I'm guessing this increases when warm and causes the rubbing. Tyre looks fine.

I noticed a faint whirring sound on a motorway run yesterday, wonder if this is why (or probably because my pinion seal is weeping  ::) )

interesting.. you are the first who reports rubbing with 235 45 17.. ???   a high percentage of forum is using the same size. :-\
 
 
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Re: Tyre width, shock fouling
« Reply #29 on: 21 August 2012, 15:12:45 »

Suprised cem ?  ::) ::) ::) ;)

Joking apart, don't worry about your English mate - its very good.

Remember some members can be over sensitive and over reactive ???
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