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Author Topic: Tyre width.  (Read 2295 times)

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Field Marshal Dr. Opti

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Tyre width.
« on: 02 July 2012, 19:58:27 »

Placed my soon to be fitted Goodyear Eagle F1 Asy 2 against the Michelin Primacy still fitted to my MV6......and it's a good inch wider.

Both tyres are 235/45/17. How is this possible?.........or optical illusion? 
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cem_devecioglu

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Re: Tyre width.
« Reply #1 on: 02 July 2012, 21:04:34 »

goodyears have riim protection but also michelines have as far as I know.. and an inch difference is not 3-4 mms ;D :-\ ???
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flyer 0712

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Re: Tyre width.
« Reply #2 on: 02 July 2012, 22:10:19 »

i had the same problem with continental and pirelli......pirelli were wider due to the large rim protector...
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TheBoy

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Re: Tyre width.
« Reply #3 on: 03 July 2012, 10:31:43 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.
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Grumpy old man

Field Marshal Dr. Opti

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Re: Tyre width.
« Reply #4 on: 03 July 2012, 16:01:40 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y
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cem_devecioglu

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Re: Tyre width.
« Reply #5 on: 03 July 2012, 16:46:01 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y

wont be a problem.. standard 225/55-16 is a larger tire..

Specification       Sidewall  Radius       Diameter   Circumference    Revs/km      Difference
225/55-16         124mm   327mm     654mm         2054mm            487        0.0%
235/45-17         106mm   322mm     643mm         2021mm            495       -1.6%
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cem_devecioglu

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Re: Tyre width.
« Reply #6 on: 03 July 2012, 16:53:49 »

Opti, can you measure the exact tire with.. must be no more than 235 mms
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TheBoy

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Re: Tyre width.
« Reply #7 on: 03 July 2012, 17:14:36 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y

wont be a problem.. standard 225/55-16 is a larger tire..

Specification       Sidewall  Radius       Diameter   Circumference    Revs/km      Difference
225/55-16         124mm   327mm     654mm         2054mm            487        0.0%
235/45-17         106mm   322mm     643mm         2021mm            495       -1.6%
"Oh no its not" ;D

We're talking width here, not diameter ;)
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cem_devecioglu

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Re: Tyre width.
« Reply #8 on: 03 July 2012, 17:16:35 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y

wont be a problem.. standard 225/55-16 is a larger tire..

Specification       Sidewall  Radius       Diameter   Circumference    Revs/km      Difference
225/55-16         124mm   327mm     654mm         2054mm            487        0.0%
235/45-17         106mm   322mm     643mm         2021mm            495       -1.6%
"Oh no its not" ;D

We're talking width here, not diameter ;)

but the diameter brings it more close to ... :-X
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TheBoy

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Re: Tyre width.
« Reply #9 on: 03 July 2012, 17:22:59 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y

wont be a problem.. standard 225/55-16 is a larger tire..

Specification       Sidewall  Radius       Diameter   Circumference    Revs/km      Difference
225/55-16         124mm   327mm     654mm         2054mm            487        0.0%
235/45-17         106mm   322mm     643mm         2021mm            495       -1.6%
"Oh no its not" ;D

We're talking width here, not diameter ;)

but the diameter brings it more close to ... :-X
Nope, diameter is not relevent in this case - if the tyre is too wide, the sidewall will foul the strut.

Go look at yours, the bit of the strut it fouls is the cup at the bottom of the spring :)
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cem_devecioglu

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Re: Tyre width.
« Reply #10 on: 03 July 2012, 18:47:39 »

Need to be a bit careful, if on standard 17" rims, as there isn't masses of clearance between tyre and strut...  ...about half an inch.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y

wont be a problem.. standard 225/55-16 is a larger tire..

Specification       Sidewall  Radius       Diameter   Circumference    Revs/km      Difference
225/55-16         124mm   327mm     654mm         2054mm            487        0.0%
235/45-17         106mm   322mm     643mm         2021mm            495       -1.6%
"Oh no its not" ;D

We're talking width here, not diameter ;)

but the diameter brings it more close to ... :-X
Nope, diameter is not relevent in this case - if the tyre is too wide, the sidewall will foul the strut.

Go look at yours, the bit of the strut it fouls is the cup at the bottom of the spring :)

I have 20 mm spacers before the wheel and tire.. still no problem but my tires 225 45 17 :-\
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cem_devecioglu

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Re: Tyre width.
« Reply #11 on: 03 July 2012, 18:51:47 »

what makes me curious, people fit 245 19 tires there ???
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Field Marshal Dr. Opti

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Re: Tyre width.
« Reply #12 on: 03 July 2012, 19:13:51 »

what makes me curious, people fit 245 19 tires there ???


So a "fat" 235 tyre should be okay. I thought that all 235 tyres were exactly the same width. I was wrong... :-[ :-[ for the first time since 1974  I was wrong. ::) ::) :y

I think they'll fit just fine. :y
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cem_devecioglu

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Re: Tyre width.
« Reply #13 on: 03 July 2012, 19:37:58 »

what makes me curious, people fit 245 19 tires there ???


So a "fat" 235 tyre should be okay. I thought that all 235 tyres were exactly the same width. I was wrong... :-[ :-[ for the first time since 1974  I was wrong. ::) ::) :y

I think they'll fit just fine. :y

Opti, I'm really curious if I was there I  could make a 150 miles round trip just to see that ;D :y
 
 
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TheBoy

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Re: Tyre width.
« Reply #14 on: 03 July 2012, 20:51:59 »

what makes me curious, people fit 245 19 tires there ???


So a "fat" 235 tyre should be okay. I thought that all 235 tyres were exactly the same width. I was wrong... :-[ :-[ for the first time since 1974  I was wrong. ::) ::) :y

I think they'll fit just fine. :y
My Dunlops have about half an inch between tyre and strut :). So it depends where it's 'fat'.  Sure H21 uses those tyres, so you should be OK :y
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Grumpy old man
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