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      03-19-2011, 11:20 AM   #1
enricob
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265/36 r18 on 8,5J rim ???

Does a 265/35 R18 tyre fit in an 8,5J rim? Have somebody any pics?
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      03-19-2011, 12:04 PM   #2
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first of all, you won't find any 36 spec tire, I guess it's a typo. 265 is too wide on 8.5 rim, it will look like a doughnut. If it's just for street driving, you should be fine.
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      03-19-2011, 12:50 PM   #3
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255 is the limit on an 8.5" wheel. You can fit a 265, but you shouldn't, especially if you plan to travel at high speeds. Your call.

Last edited by elp_jc; 03-20-2011 at 02:22 AM.
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      03-20-2011, 12:26 AM   #4
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Here you go...

I have 265/35/18 up front, 285/35/R18 rear Conti DW tires on for DD
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      03-20-2011, 03:09 AM   #5
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thanks for your answers
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      03-20-2011, 03:32 AM   #6
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Go to TireRack and take a look at the specifications of each brand/model of tire. There is a recommended rim width column. When you mount too wide of a tire on to a narrow rim (even if it fits), you lose the benefits of having a wider tire... and it becomes a useless exercise unless you have other reasons to choose 265.
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      03-20-2011, 07:48 AM   #7
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Good points - I messed up when ordering. I put them on anyway. Daily driving - I haven't had any issues. I switch them out for track days, so they only see highway speeds.
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      03-20-2011, 08:36 AM   #8
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Quote:
Originally Posted by rldzhao View Post
Go to TireRack and take a look at the specifications of each brand/model of tire. There is a recommended rim width column. When you mount too wide of a tire on to a narrow rim (even if it fits), you lose the benefits of having a wider tire... and it becomes a useless exercise unless you have other reasons to choose 265.
thanks ridzhao
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      03-20-2011, 10:15 AM   #9
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The recommended width range isn't usually based on much empirical data. Those ranges are fairly well standard within a manufacturer's product line for all kinds of different tires. Width x = rim width range Y, regardless of construction, compound, shoulder profile, etc. See, for instance, Kumho's product line. Their recommended rim width range is exactly the same for the V710 as it is for their cheapest all-season. The V710 runs around 1/4" wider than their all-seasons, even though the width measurements on tirerack.com's website may be the same, when they're mounted on the same wheel, they're wider.

The only way to know for sure if a wider tire is better for your needs is to try them and find out. There's no substitute for testing. A blanket statement that it's pointless to go outside of the recommendation is just misleading.
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