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The Tire Rack's Tire & Wheel Forum
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Old 01-17-2013, 11:09 AM   #1
PiL
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Stretching tires?

New to this concept and had questions. Looking at new wheels and would like to stretch current tires until I needed new ones.

1) Anyone have pics of 225/45/18f; 255/40/18r tires on 18x9.5 f and 18x10.5 r wheels?

2) Does the tire installer I go to have to have special equipment/experience in installing stretched tires?

Thanks!
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Old 01-17-2013, 11:13 AM   #2
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They can do it normally, doesn't require anything special. Just gotta ask them to do it. Keep in mind that running them stretched poses some higher risk of catastrophic blowout while you wait for your new tires. You really should do it properly.
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Old 01-17-2013, 11:14 AM   #3
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I would advise against it. Abusive, dangerous, and ugly.
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Old 01-17-2013, 02:12 PM   #4
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i would advise against it. Abusive, dangerous, and ugly.
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Old 01-17-2013, 11:21 AM   #5
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Try www.tyrestretch.com for pictures. Ive done this on my old vw gti, it looks good when it's done well but that's the only positive point. Would never do that on a bimmer.
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Old 01-17-2013, 02:49 PM   #6
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A mild stretch is okay. Making the sidewall bend in slightly is fine, but when it gets to where the sidewall is totally separate from the wheel lip then it's getting dangerous and ugly.
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Old 01-18-2013, 08:35 AM   #7
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when it gets to where the sidewall is totally separate from the wheel lip then it's getting dangerous and ugly.
I'd say it is certainly dangerous and past getting ugly. Wouldn't even consider it in pothole country.
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Old 01-18-2013, 08:50 AM   #8
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OP:

This is 225/35/18 on 9.5 (look on the front, the lip sticks out very prominently, smaller aspect ratio but you get the idea):






This is 255/40/18 on 10.5:



I'd say rears you could safely do, fronts absolutely not.
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Old 01-18-2013, 08:53 AM   #9
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This is 255/40/18 on 10.5:



I'd say rears you could safely do, fronts absolutely not.
This one is okay and is exactly what I was talking about in my post. The bead is still seated against the wheel's lip. This is probably about the limit for safely and tastefully tire stretching.
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Old 01-18-2013, 08:59 AM   #10
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225/40R18 on 18x9.5


IMHO, rides like 5hit but looks cool.
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Old 01-18-2013, 10:07 AM   #11
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those sieze arent a crazy stretch. but different tires stretch differently. so it might look ludicrously stretched or not.
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Old 01-18-2013, 01:24 PM   #12
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+1

Those sizes aren't super crazy but different tires are going to all stretch differently. Some run fat, some run narrow, some run tall, some run short, some have rounded shoulders, some have square shoulders, etc.
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