275/60/20...

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Mar 4, 2011 | 12:29 AM

#11

ramjamhemi

Professional

Joined: Aug 2008

Posts: 220

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From: Arizona

Quote:

Originally Posted by dakotatrevor

It will actually be 27.5mm taller, a little bit bigger than an inch. The aspect ratio is each sidewall (so need to times by 2 to get the height)

275/65r20: 275*.65 = 178.75 * 2 = 357.5 + 508 (rim) = 865.5mm (34.07inches)
275/60r20: 275*.60 = 165 * 2 = 330 + 508 (rim) = 838mm (32.99inches)

True that the entire tire is more than an inch taller, but if the OP's concern is rubbing, than thinking about adding 1/2 inch to the height of the tire is more relevant. Think about the vehicle overall being raised 1/2 higher relative to the axle center line, and also that the tire is 1/2 inch closer to the wheel wells.

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