 Speedometer with different size tires |
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| RonnieJ |
 Dec 26 2009, 02:58 PM
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#1
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RonnieJ  Group: Members Posts: 230 Joined: 16-June 03 From: Sterling Heights, Michigan Member No.: 829 Region Association: Upper MidWest  |
How far off is my speedometer going to be since I changed to 205-55-15 tires.
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| TravisNeff |
Dec 26 2009, 04:10 PM
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#2
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914 Guru Group: Members Posts: 5,082 Joined: 20-March 03 From: Mesa, AZ Member No.: 447 Region Association: Southwest Region 
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I got a GPS for xmas and just went out for a spin a few minutes ago. With my 205x55x15 tires the speedometer reads about 4-5mph fast (meaning speedo says 40, gps says 35)
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Posts in this topic
RonnieJ Speedometer with different size tires Dec 26 2009, 02:58 PM
GeorgeRud Unfortunately, there's no perfect formula as t... Dec 26 2009, 03:11 PM Kirmizi Cllick on the "914 Info" tab at the top ... Dec 26 2009, 03:13 PM Jeffs9146
I have used them to do two of my speedos over 25... Dec 26 2009, 05:14 PM
RonnieJ Thanks all for the responses. Dec 26 2009, 05:14 PM |
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