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Old 03-23-2009, 06:51 PM   #10 (permalink)
EcoModding Apprentice
Join Date: Sep 2008
Location: Indiana
Posts: 131

Impala - '04 Chevrolet Impala base
90 day: 32.84 mpg (US)
Thanks: 0
Thanked 2 Times in 2 Posts is a good source for tires, especially odd sizes and can ship to you. Local tire shops may be able to steer you to the 12's you are after, or you can switch to 13 inch rims. I used to know the calculation to step up in rim size, but the website can help you on that as well. Good luck.
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