Omega Owners Forum

Chat Area => General Car Chat => Topic started by: Field Marshal Dr. Opti on 02 July 2012, 19:58:27

Title: Tyre width.
Post by: Field Marshal Dr. Opti 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? 
Title: Re: Tyre width.
Post by: cem_devecioglu 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 :-\ ???
Title: Re: Tyre width.
Post by: flyer 0712 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...
Title: Re: Tyre width.
Post by: TheBoy 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.
Title: Re: Tyre width.
Post by: Field Marshal Dr. Opti on 03 July 2012, 16:01:40
Quote from: TheBoy 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.


 Thanks, TB. They're going on at three tomorrow. I'll ask the fitter to check. :y
Title: Re: Tyre width.
Post by: cem_devecioglu on 03 July 2012, 16:46:01
Quote from: Opti on 03 July 2012, 16:01:40
Quote from: TheBoy 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.


 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%
Title: Re: Tyre width.
Post by: cem_devecioglu on 03 July 2012, 16:53:49
Opti, can you measure the exact tire with.. must be no more than 235 mms
Title: Re: Tyre width.
Post by: TheBoy on 03 July 2012, 17:14:36
Quote from: cem on 03 July 2012, 16:46:01
Quote from: Opti on 03 July 2012, 16:01:40
Quote from: TheBoy 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.


 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 ;)
Title: Re: Tyre width.
Post by: cem_devecioglu on 03 July 2012, 17:16:35
Quote from: TheBoy on 03 July 2012, 17:14:36
Quote from: cem on 03 July 2012, 16:46:01
Quote from: Opti on 03 July 2012, 16:01:40
Quote from: TheBoy 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.


 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
Title: Re: Tyre width.
Post by: TheBoy on 03 July 2012, 17:22:59
Quote from: cem on 03 July 2012, 17:16:35
Quote from: TheBoy on 03 July 2012, 17:14:36
Quote from: cem on 03 July 2012, 16:46:01
Quote from: Opti on 03 July 2012, 16:01:40
Quote from: TheBoy 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.


 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 :)
Title: Re: Tyre width.
Post by: cem_devecioglu on 03 July 2012, 18:47:39
Quote from: TheBoy on 03 July 2012, 17:22:59
Quote from: cem on 03 July 2012, 17:16:35
Quote from: TheBoy on 03 July 2012, 17:14:36
Quote from: cem on 03 July 2012, 16:46:01
Quote from: Opti on 03 July 2012, 16:01:40
Quote from: TheBoy 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.


 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 :-\
Title: Re: Tyre width.
Post by: cem_devecioglu on 03 July 2012, 18:51:47
what makes me curious, people fit 245 19 tires there ???
Title: Re: Tyre width.
Post by: Field Marshal Dr. Opti on 03 July 2012, 19:13:51
Quote from: cem on 03 July 2012, 18:51:47
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
Title: Re: Tyre width.
Post by: cem_devecioglu on 03 July 2012, 19:37:58
Quote from: Opti on 03 July 2012, 19:13:51
Quote from: cem on 03 July 2012, 18:51:47
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
 
 
Title: Re: Tyre width.
Post by: TheBoy on 03 July 2012, 20:51:59
Quote from: Opti on 03 July 2012, 19:13:51
Quote from: cem on 03 July 2012, 18:51:47
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