Northern Auto Tech - ECU and Blue & Me Repairs

Technical Snow chains on a Sport?

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Technical Snow chains on a Sport?

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PROV

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Im off skiing at the end of feb, and need some snow chains. I have read conflicting advice. The handbook says the 225 45 17's are not suitable, but some of the specialists are saying you can get thin, 9mm chains that fit most cars that say this.

The snow socks are a good idea but sadly do not constitute chains.

I know one alterantive is to get a set of smaller steel wheels though this would be very expensive and would prefer not to have to do this.

Anyone tried anything, any advice would be appreciated.
 
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I think what they are saying is with 195mm or 205mm, you can use 9mm chains, which would take the tyre width to, say, 205mm + 9mm + 9mm = 223mm, which is within 2mm of the width of the 17" tyre.

225mm + 9mm + 9mm = 243mm is presumably reducing clearances from bodywork to much, but 225mm + 7mm + 7mm = 239mm is acceptable.

EDIT: Just looked in my book, and no mention of snow chains on a 225/45R17 so maybe 225mm is the limit for acceptable clearances.
 
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THanks for the replies. I hadnt seen that in my handbook will take a closer look. However havent seen any 7mm chains anywhere yet. Will do a search.
 
Yes the 07 handbook edition 2 says no go, the 2008 handbook onwards says 7mm chains are ok. Im assuming they havent changed anything on the car and that 7mm chains would be fine on the 07 car.......
 
Well I did some investigations over the weekend, and I cant see any reason why you can't fit 9mm chains to it. I could get my hand/fingers between the back of the tyre and the suspension components. I also put it on full lock and again there didnt appear to be any immediate problems. Will check further, though am struggling to actually measure any gaps :(
 
PROV said:
Well I did some investigations over the weekend, and I cant see any reason why you can't fit 9mm chains to it. I could get my hand/fingers between the back of the tyre and the suspension components. I also put it on full lock and again there didnt appear to be any immediate problems. Will check further, though am struggling to actually measure any gaps :(
Click to expand...

Trouble is, what you cant measure are dynamic clearances ( or Active, or Sport :) ), when suspension is at the end of its travel, centrifugal force acying on the chains..........

Though I tend to agree, an extra 2mm isnt going to reduce clearance to a critical level, but just avoid full lock with chains on.
 
I have an MJet 150 with 225/45 R17 and use snow chains when going skiing. Found that there were problems with 9mm chains so have some 'cable' chains which have only 6mm of protrusion on the inner tyre wall. Can use full lock etc... and they give excellent traction on snow and ice, plus they are also really easy to fit and remove which is a bonus. Would recommend them.

Type "Iceman z6 cable chains" into google and it will be the first hit (would post the URL but something about not having posted 5 posts yet...doh). PM if you have any problems!
snowchains.com were selling them for some time.

Hope this helps!
 
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rsjharvey said:
I have an MJet 150 with 225/45 R17 and use snow chains when going skiing. Found that there were problems with 9mm chains so have some 'cable' chains which have only 6mm of protrusion on the inner tyre wall. Can use full lock etc... and they give excellent traction on snow and ice, plus they are also really easy to fit and remove which is a bonus. Would recommend them.

Type "Iceman z6 cable chains" into google and it will be the first hit (would post the URL but something about not having posted 5 posts yet...doh). PM if you have any problems!
snowchains.com were selling them for some time.

Hope this helps!
Click to expand...

Was this what you mean't ?

http://www.snowchains.com/product_02.asp?productID=8

http://www.igluski.com/snow-chains
 
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Thanks for the advice rsjharvey , you have a PM!

Struggling to find anyone with them in stock now (n)
 
For those interested; I did try some 9mm chains which although fitted and didn't touch, did get very near the suspension. Wouldn't like to hit a bump and give the chains a bit of a rattle because they could easily contact.

Might be an idea to give polarsnowchains.com a ring although i note they claim to be out-of-stock. I got mine ex-rental for £50 and they look as if they've never been used! They were also extremely useful in the snow last month - I enjoyed watching the 4x4s with summer tyres stuggling for grip!
 
I called polarsnow chains, nothing doing. They were very helpful though. He reckoned if you can get your fingers down to the rim behind the tyre at the top without touching the strut then 9mm chains would be fine. I will check later then maybe get those 8mm Maggi ones.
 
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