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Author Topic: Tyre sizes  (Read 3219 times)

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Nickbat

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Tyre sizes
« on: 15 April 2009, 14:29:49 »
I will soon need new boots on my 2.6CD. At the moment I appear to have Michelin Primacy 225-65 R16 Vs all round. These came with the car. However, the unused spare is a Firestone 205-65 R16 V. How come it's different, I wonder?

So, 225 or 205? Which is right?
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Marks DTM Calib

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Re: Tyre sizes
« Reply #1 on: 15 April 2009, 14:59:42 »
The spare will be an R15 not an R16....
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Nickbat

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Re: Tyre sizes
« Reply #2 on: 15 April 2009, 15:18:27 »
Quote
The spare will be an R15 not an R16....


You're right, Mark. One of these days you are going to be wrong about something...perhaps.  ;) ;D ;D ;D

So, my spare is a 205-65 R15 and I have 225-65 R16s at each corner. When I get a quote for 4 new tyres which do I ask for, 205s or 225s?
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Marks DTM Calib

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Re: Tyre sizes
« Reply #3 on: 15 April 2009, 15:23:34 »
Quote
Quote
The spare will be an R15 not an R16....


You're right, Mark. One of these days you are going to be wrong about something...perhaps.  ;) ;D ;D ;D

So, my spare is a 205-65 R15 and I have 225-65 R16s at each corner. When I get a quote for 4 new tyres which do I ask for, 205s or 225s?

225-55 R16 W rated.....dont get Michelins!

I like the Dunlop SP9000 and had good results from the Kumho Ku31's to


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Jimbob

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Re: Tyre sizes
« Reply #4 on: 15 April 2009, 15:29:46 »
Quote
Quote
Quote
The spare will be an R15 not an R16....


You're right, Mark. One of these days you are going to be wrong about something...perhaps.  ;) ;D ;D ;D

So, my spare is a 205-65 R15 and I have 225-65 R16s at each corner. When I get a quote for 4 new tyres which do I ask for, 205s or 225s?

225-55 R16 W rated.....dont get Michelins!

I like the Dunlop SP9000 and had good results from the Kumho Ku31's to




Weren't they on the car you couldnt stop in time to avoid a crash?

 ;D ;D ;D ;D

Sorry mate, couldnt resist  ;D ;D ;D
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Marks DTM Calib

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Re: Tyre sizes
« Reply #5 on: 15 April 2009, 15:31:12 »
Lol, your assuming I wanted to stop and not simply to move the daft bitch her on
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Nickbat

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Re: Tyre sizes
« Reply #6 on: 15 April 2009, 22:49:04 »
Quote
Quote
Quote
The spare will be an R15 not an R16....


You're right, Mark. One of these days you are going to be wrong about something...perhaps.  ;) ;D ;D ;D

So, my spare is a 205-65 R15 and I have 225-65 R16s at each corner. When I get a quote for 4 new tyres which do I ask for, 205s or 225s?

225-55 R16 W rated.....dont get Michelins!

I like the Dunlop SP9000 and had good results from the Kumho Ku31's to




I'm not sure why you recommend the 55 (tyre height/aspect) rather than the 60. Would it make for a better ride/handling?  
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Pete Elite

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Re: Tyre sizes
« Reply #7 on: 15 April 2009, 22:57:05 »
225/55-16s are the proper size , and you'll find that 60s and especially 65s will throw your speedo out by a fair bit :).
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hotel21

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Re: Tyre sizes
« Reply #8 on: 15 April 2009, 23:04:17 »
225 is the tyre width.
55 or 65 is the height of the sidewall expressed as a percentage of the width.
15 or 16 is the wheel rim diameter.
When the whole tyre size sum is calculated out to a diameter or a rolling circumference, the change various sizes/percentages interplay on each other.

All explained here:
http://www.carbibles.com/tyre_bible.html
with a good calculator to compare tyre and rim sizes further on.....  ;)
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Pete Elite

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Re: Tyre sizes
« Reply #9 on: 15 April 2009, 23:28:20 »
http://www.alloywheels.com/tyrecalc.asp

  You can use this to calculate the different sizes :y.

 With Nickbats current setup his speedo is approx. 5 MPH SLOW :-?.
« Last Edit: 15 April 2009, 23:31:29 by scooby »
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Nickbat

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Re: Tyre sizes
« Reply #10 on: 15 April 2009, 23:34:14 »
Quote
http://www.alloywheels.com/tyrecalc.asp

  You can use this to calculate the different sizes :y.

 With Nickbats current setup his speedo is approx. 5 MPH SLOW :-?.


Aha! So that's why I haven't had a NIP for a while!  ;) ;D

Thanks for the info, guys.  :y
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Pete Elite

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Re: Tyre sizes
« Reply #11 on: 15 April 2009, 23:35:49 »
Well at least it keeps you honest ;D.
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Richard148

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Re: Tyre sizes
« Reply #12 on: 15 April 2009, 23:36:24 »
Avon/cooper are good boots to and don't cost the earth on coopers you get a very high comprehensive cover of customer satisfaction ie if you damage one buy going up a cub for example it will be changed for free you just pay for valve re-balance etc and this lasts for 2 years no questions asked :y
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Nickbat

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Re: Tyre sizes
« Reply #13 on: 15 April 2009, 23:44:43 »
Quote
Avon/cooper are good boots to and don't cost the earth on coopers you get a very high comprehensive cover of customer satisfaction ie if you damage one buy going up a cub for example it will be changed for free you just pay for valve re-balance etc and this lasts for 2 years no questions asked :y

Thanks for that.  :y
I've heard of Avon tyres but not Avon/Cooper. I'll do a Google search.

BTW, Mark recommended a W rating. Would a V rating be sufficient? I don't drive that fast these days. ;)
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Nickbat

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Re: Tyre sizes
« Reply #14 on: 15 April 2009, 23:46:28 »
Quote
Quote
Avon/cooper are good boots to and don't cost the earth on coopers you get a very high comprehensive cover of customer satisfaction ie if you damage one buy going up a cub for example it will be changed for free you just pay for valve re-balance etc and this lasts for 2 years no questions asked :y

Thanks for that.  :y
I've heard of Avon tyres but not Avon/Cooper. I'll do a Google search.

BTW, Mark recommended a W rating. Would a V rating be sufficient? I don't drive that fast these days. ;)

Aha! I see Avon and Cooper are two different manufacturers. I'll check prices. Thanks again.  :y
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