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215 or 225 tire on 17" ROTA???

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Old 01-23-2004, 01:58 PM
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215 or 225 tire on 17" ROTA???
The reason I ask is a 215 is optional original equipment, even though most people I know run a 225 tire with 17x7.5 wheel. So why is it most people run 225's and will running these affect odometer and speed measurments? Thanks.
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Old 01-23-2004, 04:15 PM
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People run wider tires (225) so they will have a larger contact patch of rubber to the ground, that= better traction depending on tires
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Old 01-30-2004, 08:09 PM
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the only time that a tire will alter speedometer calibration is when the sidewalls are totally different from the stock height.
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Old 02-01-2004, 01:55 AM
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How much are we talking? Would It be drastic with 225/45/17's?
 
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Old 02-01-2004, 10:20 AM
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Well I wouldn't think that It would be drastic, since the difference between 215 and 225 is only 10 millimeters, thats 5mm on each side.
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Old 02-02-2004, 11:45 AM
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The 10mm difference is between the 215/45/17 and 225/45/17. The difference from your stock diameter is about 5mm shorter (215/45/17), or 5mm taller (22/45/17). Just remember that not all manufactures measure from the same point, so actual tire size from brand to brand may vary.
 
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Old 02-02-2004, 12:57 PM
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Originally posted by blingbling
The 10mm difference is between the 215/45/17 and 225/45/17. The difference from your stock diameter is about 5mm shorter (215/45/17), or 5mm taller (22/45/17). Just remember that not all manufactures measure from the same point, so actual tire size from brand to brand may vary.
This is so true my Kumho MX's on 205/55R 16 have my speedo off about 4mph
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