215 or 225 tire on 17" ROTA???
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Joined: Nov 2003
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From: Elk Grove
Car Info: 2003 WRX
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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From: Flying on the H1 w/ 75 psi of compression on all 4 cyl
Car Info: PnP VF30 w/ STi injectors Perrin intake walbro fuel pump w/ a TXS TBE
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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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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From: Flying on the H1 w/ 75 psi of compression on all 4 cyl
Car Info: PnP VF30 w/ STi injectors Perrin intake walbro fuel pump w/ a TXS TBE
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.
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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