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General => General discussion => Topic started by: JC on 28 September 2011, 18:43

Title: winter tyre sizes.
Post by: JC on 28 September 2011, 18:43

Good evening

I am getting some Winter Tyres sorted ready for my 50 mile commute,

I am running 215/50-17s as standard, but have got the chance for a set of 205/50-17

I know it will drop the rolling radius by 1.55% or 10mm, and will affect the already out a tad speedo.

but will there be any other issues ?

Title: Re: winter tyre sizes.
Post by: Godzilla on 29 September 2011, 07:23

I cant see there being any issues bud.

As for the speedo being altered I would have thought it would have stayed the same due to you using 50's on the winters.  I could understand the speedo being slightly out say if you dropped them to 40's but as in width from a 225 to a 205 I am sure you will be ok  :smiley:

Title: Re: winter tyre sizes.
Post by: Diamond Hell on 29 September 2011, 07:53

You'll run slightly higher engine speeds for the same actual speed.

Acceleration will be slightly sharper.

Your Vectarse will look slightly gayer.

You may not notice any of this.

Title: Re: winter tyre sizes.
Post by: Len on 29 September 2011, 13:25

Vauxhall speedo's are not very accurate anyway!

Title: Re: winter tyre sizes.
Post by: Jay on 29 September 2011, 13:56

Quote from: Len on 29 September 2011, 13:25

Vauxhall speedo's are not very accurate anyway!

Is that why the old ones are doing 50mph in a 30 zone?