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      01-07-2011, 07:28 PM   #3
Eddy@ApexWheels
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Drives: E30 M3, F10 M5
Join Date: Jun 2009
Location: Bay Area, CA

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Quote:
Originally Posted by atalladega View Post
The toyo r888 in 305/35/18 are within 10-12" rim width, will these rub with this offset on 18x10s? Thanks
305 is not recommended on a 10" rim, and that size R888 would most likely having rubbing issues. If you want to mount a wide tire use the 18x10.5" wheel instead. Although even on that if you're using at a track setup, you don't want to mount too much rubber onto a wheel as it will not function the way it's supposed too.

Going too wide with a tire on a narrow wheel pulls the sides up effectively making the tread narrower. The sidewall doesn't have the support it needs so it's sloppy when changing directions, and the taller OD of the tire negatively effects gearing. Extra rubber doesn't guarantee a better setup.

Toyo measured their 305/35/18 on an 11" wheel. The R888 runs really wide. For some other 3 series fitments 275 NT-01's would fit but the R88 would not. I would venture to guess that the 305 NT-01 would be an easier fit on the 10.5" wheel, but rubbing is still very much a possibly. It's not really possible to go from a 265 street tire to a 305 r-compound without some kind of compromise.
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