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How does changing OEM chrome 20" for OEM SRT 10 22" affects?

   
Old Dec 3, 2008 | 04:56 AM
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dalmic72
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Default How does changing OEM chrome 20" for OEM SRT 10 22" affects?
How does changing wheels and tires affect, on a Dodge RAM 1500 Daytona, from OEM Chromes 20" (275/60-20) to OEM 22" SRT 10 (305/40-22), the RPM and Speedo' ? I am getting them today and want to know what is the difference in MPH. Thanks!! Dalmic72
 
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Old Dec 3, 2008 | 07:11 AM
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About 2.5 mph slower.
 
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Old Dec 3, 2008 | 07:26 AM
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you are going from 33" tire size to 31.6" tire size. Your rpms will be 4" higher at any real speed, and your speedo will show 4% higher than you are actually going.
 
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