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Changing Tyre Sizes

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  • 28-01-2005 12:19pm
    #1
    fletch
    Registered Users Posts: 7,398 ✭✭✭


    I currently have 175/65 R14....
    Was thinkin of changing to 185/60 R14, hoping for an increase in grip
    What are going to be the implications of changing the sizes? I know the speedo is going to be inaccurate but I have used the Tyre Size Calculator and it'll only be out by 0.9%
    Am I going to use more petrol, be slower off the line, more tyre roar? I'm a bit clueless when it comes to all this.
    Advice needed


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    #2
    Interceptor
    Registered Users Posts: 3,180 ✭✭✭Interceptor


    You would be better off buying a more expensive tyre with a softer compound and better thread pattern than simply going for a wider tyre. The difference between the two you have shown is negligible and will only cost money. You won't notice economy or noise with identical brands of tyre in these sizes and the speedo tolerance is greater than the error the tyres will introduce, so no real concern there either. If your car is lowered, the 185 might scrub the rear arches on bumps but not if the car is standard.

    Buy a set of top brand tyres - spend as much as you can afford and you will really see the difference.

    'c


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    #3
    fletch
    Registered Users Posts: 7,398 ✭✭✭fletch


    Nice One for the advice interceptor


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    #4
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,727 Mod ✭✭✭✭Seth Brundle


    Wider tyres also increase the risk of both tramlining and aquaplaning so not always best!


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    #5
    fletch
    Registered Users Posts: 7,398 ✭✭✭fletch


    Thanks Guys, think I will stick with my current setup, just spend a bit more on more expensive tyres.
    Read around and Goodyear Eagle NCT 5s seem to be a good bet


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    #6
    mike65
    Closed Accounts Posts: 88,978 ✭✭✭✭mike65


    Fletch be careful about "tyre snobbery" if you want some good tyres but cheaper than a famous name brand then check out the Kumho range.

    Mike

    ps that link is exellent. I'll put it in The Knowledge.


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    #7
    stratos
    Closed Accounts Posts: 1,038 ✭✭✭stratos


    Thw 185/60 r Should not affect your speedo as cicumference will be the same. The rule is for every 10 wider down 5 on the sidewall ratio.


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    #8
    Interceptor
    Registered Users Posts: 3,180 ✭✭✭Interceptor


    mike65 wrote:
    Fletch be careful about "tyre snobbery" if you want some good tyres but cheaper than a famous name brand then check out the Kumho range.
    Yeah, Nankang make very good tyres too - particularly low profile fitments which cost a bomb from the big boys. The tyre speed rating is very important to watch (T/H/V/VR) as it will determine the level of grip offered by the tyre.

    'c


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