Thread: tire size conversion
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Old 01-23-2009, 06:51 PM
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awr68 awr68 is offline
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G78-15 = P215/75R15 or P225/70R15 = 27.4" diam

Google is our friend!! check here for more info.....

225/60/17 = 27.6" diam.

225/55/18 = 27.8" diam.

235/50/18 = 27.3" diam.
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'68 Camaro
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