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Tyre sizing options

Discussion in 'Problems, Fixes, Tips...' started by apt_copen, Apr 28, 2011.

  1. apt_copen

    apt_copen Copenworld Newbie

    Joined:
    Feb 4, 2011
    OK, my car runs standard 15" rims with standard 165/50 tyres.

    I love the cars handling but am willing to compremise it a little with some fatter tyres to aid a bit more ride comfort!

    Just wondering if anyone else out there has tried different tyre sizes on standard rims?

    What I'm really asking is whats the tallest/ widest I can go before I start limiting the turning circle/ rubbing the arches? How much extra ride comfort could I experience?

    Is it also a possibility that by going bigger & wider I'd be making a saving by using a more common tyre size??

    Food for thought!

    Cheers
    Andrew
     
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  2. Adam K

    Adam K Copenworld Guru

    Joined:
    Oct 27, 2010
    Location:
    Worcester, UK
    Car(s):
    Nissan Cube Kaizen
    If you want it more comfortable, buy a cushion to sit on. :D

    I think changing the tyre size will give you a false reading on your speedo.
     
  3. Rex

    Rex Copenworld Pioneer

    Joined:
    Oct 20, 2009
    Location:
    Cardiff
    Car(s):
    Copen
    I thought I read somewhere on another forum, that Copens for the 'home' market have a softer ride. I think this is done by changing the springs / shocks not tyres.

    Also if you change the rims / tyres most insurance companies treat this as a modification and insurance cost can go up - so may not be a cost saving. ;)

    Regarding Adams comment on the speedo, I'm convinced Copens like most cars these days- the speedo overreads by about 10% - (Compared to three GPS units, it does.) So increased diameter tyres may make it more accurate :rolleyes:

    Why do they do that??

    Sorry Andrew, you were really asking about wider tyres, so this has been of no help to you. :p

    Rex.
     
  4. jmaboko@gmail.com

    jmaboko@gmail.com Copenworld Newbie

    Joined:
    Jan 16, 2012
    Tire sizes

    Hi all

    I have just purchased my 2006 1.3 Copen. The previous owner installed 175/50 R15 in the front and 195/45 R15 in the rear. What I have noticed Is two things...
    • The rear (195/45 R15) tyres show marks on the outside that they touch the fenders.
    • If all four tires are inflated anything above 200 kPA (2bar) my ride becomes VERY stiff and bumpy. If I keep the tyre pressure at 200 kPA (2bar) the ride is more comfortable.

    I have visited a couple of tyre supplies to find out what is the one tyre size that I can use for all four wheels.....?:think::think:
     
  5. dwayner

    dwayner Copenworld Regular

    Joined:
    May 12, 2011
    Location:
    Mornington Peninsula
    Car(s):
    A 2005 copen and a
    Camry Sportivo
    dwayner

    copen came with tyre size: 165 / 50 R15 / 73V
    when they became rare,
    i switched to tyre size: 173 / 50 R15 / 75V (brand i bought was silverstone)

    they are a good fit, havent had any problems in 2 years with them - they have a slightly thicker tread, so they last longer, and the best part - they are about 30% cheaper...
     
  6. jmaboko@gmail.com

    jmaboko@gmail.com Copenworld Newbie

    Joined:
    Jan 16, 2012
    Tyre sizes

    Thanks for you valued reply.:eek::eek:
     
  7. angus_the_brave

    angus_the_brave Copenworld Newbie

    Joined:
    Feb 23, 2012
    Tyres

    Goodyear now produce a 175/50 15! and they are cheap. The grip is around equivilent to the original bridgestones.
     
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