Bigger wheels

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Vasey
Getting There!
Posts: 51
Joined: Tue Nov 29, 2016 11:06 pm
Drives: Polo gt bluemotion
Location: Co/durham

Bigger wheels

Post by Vasey »

Hi everyone just a quick question got a polo blue gt was thinking about changing the alloy wheels..... does anyone know what size wheel I can go up to with out any problems plus any ideas on what style many thanks


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Willni
Silver Member
Posts: 419
Joined: Fri Oct 09, 2015 4:46 pm
Drives: Polo '14 6R, Golf 07' Edition 30
Location: NI

Re: Bigger wheels

Post by Willni »

I think it's 17 inch without problems, and then 18inch with a bit of rubbing when turning.
lukafoto
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Posts: 13
Joined: Thu May 25, 2017 10:48 am
Drives: A2 Polo 6R conversion !
Location: british isles

Re: Bigger wheels

Post by lukafoto »

Just make sure the tyre diameter matches original so as not to affect speedo and insurance and ensure the width is suitable for the rims.

Radius changes also affects effective gearing based on final drive ratio. Smaller combo faster acceleration lower top speed and visa versa.

Biggest issue is lower MPG with larger rims (alloy wheel density higher than tyre + air) and usually higher un-sprung weight which affects suspension, ride, cornering etc - explains a little why race cars tend to use small rims.

Here's an excellent place to start with tyre sizes vrs new wheel dimensions:

https://www.tacomaworld.com/tirecalc
TBjork
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Joined: Sat May 13, 2017 9:12 am
Drives: Polo GTI 1.8
Location: Sweden

Re: Bigger wheels

Post by TBjork »

Vasey
Getting There!
Posts: 51
Joined: Tue Nov 29, 2016 11:06 pm
Drives: Polo gt bluemotion
Location: Co/durham

Re: Bigger wheels

Post by Vasey »

T


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Vasey
Getting There!
Posts: 51
Joined: Tue Nov 29, 2016 11:06 pm
Drives: Polo gt bluemotion
Location: Co/durham

Re: Bigger wheels

Post by Vasey »

Thanks guys for all you comments appreciated,now it's trying to find a set of alloys what would look good on the car


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