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Thread: A quick tyre question please!

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    Default A quick tyre question please!

    I have a standard 3.0cdti signum with standard wheels and 215/50/17 /91w tyres on, will I be able to fit 225/50/17 onto the origional rim?

    Many thanks!

    Adam

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    Regular Member John35's Avatar
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    this thread should answer any questions..

    http://forum.vectra-c.com/showthread...=225%2F50%2F17


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    Regular Member VectraV6CDTi's Avatar
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    Quote Originally Posted by Adamdavi3s View Post
    I have a standard 3.0cdti signum with standard wheels and 215/50/17 /91w tyres on, will I be able to fit 225/50/17 onto the origional rim?

    Many thanks!

    Adam
    There seems to be a lot of debate as to whether the 3.0 V6 CDTi should be fitted with Extra Load tyres (as it does from the factory). 91W are Standard load. Have a read of this: http://forum.vectra-c.com/showthread.php?t=25832

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    Hey,

    Cool thanks for the links guys.
    I'm going for some 225-45-17 rated at 98w (Pirelli pzero) so looks like they should be ok!

    Cheers!
    Last edited by Adamdavi3s; 14th July 2007 at 12:06.

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    Regular Member VectraV6CDTi's Avatar
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    Quote Originally Posted by Adamdavi3s View Post
    Hey,

    Cool thanks for the links guys.
    I'm going for some 225-45-17 rated at 98w (Pirelli pzero) so looks like they should be ok!

    Cheers!
    Deffo be ok with them at 98W, not sure about 225/50's though. usually go for 225/45....
    There have been loads of threads on this very subject, might be worth a search....

    The "50" part is actually a percentage of the width I belive and is not an actual measurement in mm. Going for 225/50's would throw your speedo out too much. 225/45 keeps the diameter of the tyre as close to the original as possible.
    Last edited by VectraV6CDTi; 14th July 2007 at 11:59.

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    hes on 17's - isnt 50 the std ratio ?

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    Regular Member VectraV6CDTi's Avatar
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    Not if you go to 225's it isnt. You have to drop the profile to 45's to keep a similar tyre diameter

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    Regular Member Neil's Avatar
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    Quote Originally Posted by rob 2.2dti View Post
    hes on 17's - isnt 50 the std ratio ?
    The manual also states that 22/45/17 is the alternative tyre size

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    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by Adamdavi3s View Post
    Hey,

    Cool thanks for the links guys.
    I'm going for some 225-45-17 rated at 98w (Pirelli pzero) so looks like they should be ok!

    Cheers!
    They should be fine. I believe you'd also be fine with 95 load rating on 17s. 225/50/17 is not a profile recommended by Vx, so best not to for insurance purposes. Also a 225/50 would have an even bigger sidewall than a 215/50 as the 50 is a percentage of the width of the tire - your handling would suffer a bit due to the larger sidewall. With 225/45 you'll find a much greater choice of tyres available and also a bit cheaper as it's a much more common size.

    HTH

    D

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    Default

    hehe sorry I think peeps read by thread before I edited it!

    I will be going for 225-45, I called black tyres who suggested that changing the ratio would mean my car would spit the gearbox out the back as it was changing the rolling radius to much, so I had a little chuckle at that rather extreme response!!!

    I'll be ordering some 225-45's online later!

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