285/30/18 on 18X9 rear
#3
Lives on the Forum
Yeah, 285 mm works out to 11.22 inches. Minimally you'll want your nominal rim width to be AT LEAST 85% of the tire section width. In the case of a 285 mm tire section, 85% works out to a 9.5-inch rim width. The lower the aspect ratio of the tire, the more important adequate rim width becomes, as there is very little sidewall on a 30-series tire to be "sqaushed" onto a narrower rim width!
#5
Look at the spec sheet (available on Tire Rack's sit or from the tire manufacturer) for the tire model you are considering. IIRC, very few 285s are approved for use on 9.5" rims.
-Max
-Max
#6
Banned. I got OWNED!!!
either run 265/35-18s, or find another set of rims that are available in 18x10. not only would 285s on a 9" rim look hideous, but will also hinder performance dramtatically, and probably be a little on the unsafe side if anything goes wrong. even 285/30 series tires on a 9.5" rim is pushin it a bit...IMO.
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