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Old 01-30-08, 10:40 PM
pjbizjak pjbizjak is offline
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Cadillac(s): Cadillac 07 STS w/1SG Pkg
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Re: 17" -> 18" OEM wheel upgrade, do I have to change anything?

Are you figuring the 1" because of the difference between 17" and 18"? I believe the factory 18" tires have a lower aspect ratio tire which would make the diameter difference probably only a 1/4" to 1/2" taller and you shouldn't need any recalculating.