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Old 10-23-2009, 06:09 PM   #1
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Is tranny ratio same as gear ratio or are they the same? plez no charts, its confusing enuff
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Old 10-23-2009, 06:18 PM   #2
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Gear ratio is spur divided by pinion

Tranny ratio is the ratio of the gears in the tranny

Roll out is a calculation using the above and the size of tire
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Old 10-23-2009, 07:08 PM   #3
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Use this website for gear ratios:


At least it makes this part of the hobby easy!
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