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gear ratio

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Old 06-02-2007, 05:49 PM
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Default gear ratio
I have 245 75 tires with 17" rims . What will change if I go To a 20" rim will I loose milage I have 375 gear
 
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Old 06-03-2007, 04:46 AM
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Default RE: gear ratio

Rim size has no effect,if the hight of the tire is the same.
 
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Old 06-03-2007, 08:40 AM
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Default RE: gear ratio
rolling resistance of the tire would have some effect; if you go from highway tires to a more aggressive tread (A/T's etc.) you will probably notice a little loss in mileage (with overall tire height held constant.)
 
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