Alloy wheel size, offset, tyres...

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Alloy wheel size, offset, tyres...

by Cliff » Tue Jun 07, 2016 9:27 pm

Hi

I am going to put some 17's on my Cliff (I still want some kind of ride comfort with where I live so anything bigger is out). Cliff is lowered out of the factory, same as the DTM I think (30mm?) - I absolutely don't want any rubbing or other hassles.

I currently have 205 55 16s (BBS) so I was thinking 205 40 17s - right size given the rim size increase? 205 or 215?

And for offset, I know GM have a high offset, highest I can get in the wheel design I am looking at is 42 - should be OK though I assume, low mileage per year anyhow - right?

Cheers
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Re: Alloy wheel size, offset, tyres...

by Callyman » Tue Jun 07, 2016 10:25 pm

Think 215/40/17
Will give closer diameter/rolling circumference etc.

Good website to compare

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Re: Alloy wheel size, offset, tyres...

by rich30mex » Wed Jun 08, 2016 8:22 am

callyman wrote:
Google 'willtheyfit'


Just curious Andy how did you come across that web site :shock: :lol:
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Re: Alloy wheel size, offset, tyres...

by MarkV6 » Mon Jun 20, 2016 7:36 pm

Might be a bit late but this is a very informative website

http://www.carbibles.com/tyre_bible_pg4.html

has a nifty tyre size calculator about 2/3 way down the page too.
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Re: Alloy wheel size, offset, tyres...

by Cliff » Mon Jun 20, 2016 7:39 pm

Never too late, someone else will need the info at some point - thx!


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Re: Alloy wheel size, offset, tyres...

by EddeyDancer » Thu Jun 23, 2016 9:19 am

Cliff wrote:I am going to put some 17's on my Cliff (I still want some kind of ride comfort with where I live so anything bigger is out).
I currently have 205 55 16s (BBS) so I was thinking 205 40 17s - right size given the rim size increase? 205 or 215?
And for offset, the wheel design I am looking at is 42 - should be OK


I've previously fitted, on ET40 wheels, I suggest tyre size of 205/45R17 with the option of fitting 225/45R17 on the Rear
Tyres of a 40 profile will give You a harsh ride, as well as looking too small for a Calibra on 17 inch wheels...
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