tyre size's???
27 June 2009, 01:27 PM
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tyre size's???
a friend of mine is selling some wheels with brand new tryes on them fairly cheap, however my current tyres are 215/45/17 and the new ones are 215/40/17 will this make any differance at all???
will they afect the handling of the car at all??
will they afect the handling of the car at all??
27 June 2009, 02:51 PM
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New age 17 inch wrx's run 215/45/17 and classics run 215/40/17, though you don't say what car you have? Running either of the above the other way around will put the speedo out (and rub on the classic)
Tony
Tony
27 June 2009, 07:45 PM
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Yes, you will under read which is permitted but it will add more miles to your car as it will be xx% out, not allowed to exceed 10% under reading though.
Over reading (ie 30mph showing but actual 33mph) is illegal.
Tony
Over reading (ie 30mph showing but actual 33mph) is illegal.
Tony
27 June 2009, 08:02 PM
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27 June 2009, 08:06 PM
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With the above sizes, assuming your speedo was 100% correct in the first place, when your speedo reads 60 you will be travelling at 57.9mph.
With regards to handling, the slightly smaller profile will make the ride a little harsher and it may feel more direct and less wallowy in bends with the sidewalls being 10.8mm smaller.
With regards to handling, the slightly smaller profile will make the ride a little harsher and it may feel more direct and less wallowy in bends with the sidewalls being 10.8mm smaller.
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27 June 2009, 08:34 PM
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No, they should be fine. You say they're new so shouldn't have any damage. You don't say what make though, and there are some rubbish tyres for sale out there.
27 June 2009, 10:38 PM
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Was out in a friend's Type-R last night and they hung on well till 360 ft.lb. of torque loosened their grip....
Nice !
Enjoy !
dunx
Nice !
Enjoy !
dunx
make me use my dccd alot more 
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