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Discussion Starter · #1 ·
hey, anyone know what size tire i would have to run on a 17 inch rim to keep my speedo accurate? i used to be running a 215 45 17, and it was off by about 9 mph (at high speeds), and my truck ran at slightly higher revs on the freeway as well... now ive switched to a 235 45 17 and it seems to be a good bit better, im just wondering how close to correct it is
 
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