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Noah930 Noah930 is offline
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Join Date: May 2005
Location: Los Angeles
Posts: 13,827
I believe if yo measure the wheel, aross it's width, without rubber, from lip to lip, you get the 7 and 9 inch measurements......
I've been told (by the Tirerack guys, IIRC) that it's supposed to be measured from the INSIDE of the lip, not just the lip at it's widest point. I had always thought that it's just lip to lip, like you said. 205/55x7 and 245/45x9 are the right sizes, though.
1987 Venetian Blue (really looks like grey) 930 Coupe

Last edited by Noah930; 07-31-2007 at 06:20 AM..
Old 07-31-2007, 06:15 AM
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