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Old 02-03-08, 09:41 PM
Greg00coupe Greg00coupe is offline
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Cadillac(s): 05 STS
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Re: 17" -> 18" OEM wheel upgrade, do I have to change anything?

Any good tire shop can help you. I upgraded the wheels on my Corvette and according to the Garmin GPS the spedo is only off 1 mph at 70.