Thread: RING N PINION SIZE
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Old 03-15-2010, 07:30 AM
  #4  
wmeabates
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Join Date: Sep 2005
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Old tire rollout divided by new tire rollout=x.Old gear ratio divided x= new gear ratio.Old tire 90 divided by new tire 102=.88 4.56 divided by .88 =5.18.Put your numbers in.Bill.
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