Spacers

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Originally Posted by Whubbsie

won't look the same your arches will sit closer to the wheel, actually 35mm is a pretty good drop for getting a 17" rim smack bang in the the centre of the arches some spacers to get you 5-10mm of poke and you'll look sweet and ride comfortably.

any serious drop you'll need coilovers even then only ones I've seen that go lower than 75mm are H&R ones

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Thanks for all the advice people. I really dont know why VW didnt make the wheels 17 imo it would look much better.
Thanks Guy

Mate im running 17x8 w/ a 45 offset, than spacing back out to what would equate to; front 11mm spacer or new offset of 34, rear 16mm spacer or new offset 29, downfall is when you re-adjust coilovers to set low its hard to drive on bumpy surfaces, rubs everywhere, but looks the goods. now to drive it the it was ment to be driven I take it up 25mm rear and 35mm front, but now you can hit it hard and even brake harder,
Just my fifty cents worth.

Cheers ssman

Well ive decided to go for 17" x 8j offset of 33 lowerd 35mm with a profile of 45 should be okay?

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Originally Posted by GuyGTi

Well ive decided to go for 17" x 8j offset of 33 lowerd 35mm with a profile of 45 should be okay?

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Good luck finding those wheels... Generally Offsets of 32, 38 and 42 are OEM, there are lower offsets, but less common.

Changing the rolling diameter will change the speedo, etc. 40 profile is the correct match for 17's.

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40 profile is the correct match for 17's.

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that depends on the width of the wheel

the profile is actually the percentage in millimeters of the tyres width

so a 40 profile for a polo will only keep the rolling diameter constant is the width of the tyre is 205. but nevertheless a 45 profile while seeming safer is definitely going to change the rolling diameter of the complete wheel unless its on a very narrow tyre

the trick to this profile business is to remember that what it means is that the sidewall is going to be the profile percentage of the tyre width so its got a relation and it isnt a constant measurement - it varies according to tyre width

this site allows you to play with tyre widths and profiles to keep the same rolling diameter

http://www.miata.net/garage/tirecalc.html

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Originally Posted by gareth_oau

this site allows you to play with tyre widths and profiles to keep the same rolling diameter

http://www.miata.net/garage/tirecalc.html

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Great! So if i get a 205 40 17 (bit of stretch) Then it should be almost exactly the same apparently :)
Thanks for that site very handy.
Guy