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10-18-2012, 12:00 AM
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#1 |
  
Drives: 06 Yaris HB CE Join Date: Aug 2009
Location: Toronto
Posts: 501
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speedo vs 17' rim
so i upgraded my rims from (175/65/14) 14' to 17', 205/45/17 does anyone know how is that going to affect the speedo, is it going to show slower or faster? by how much?
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10-18-2012, 06:15 AM
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#2 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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That is going to make a fairly significant difference (with the speedometer measuring lower speed than before).
You are going from 879 revolutions per mile to 831 revolutions per mile. So, at 100 kmh you will be showing 94 kmh on your speedo.
__________________
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10-18-2012, 11:06 AM
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#3 |
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Super Moderator
Drives: 2014 White VITZ Join Date: May 2007
Location: Huntington Bch, CA
Posts: 4,938
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My speedo wasn't accurate out of the box. With stock 185/60/15's (23.7") my speedo was off, but with 205/50/16's (24.1"), my speedo is dead on.
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10-18-2012, 07:36 PM
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#4 | |
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Drives: 06 Yaris HB CE Join Date: Aug 2009
Location: Toronto
Posts: 501
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Quote:
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