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Old 05-24-2009, 04:10 PM
  #9636  
lidebt2
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Originally Posted by yyhayyim
Ok...

108 spur/ 52T pinion= 3.80 Final Drive
108 spur /50T Pinion= 3.95

For outdoor rubber tire racing, you'll probably want to be in the 3.7-4.0 range.

Here's what you'll need to buy: get 104 & 108 Spur gears. For pinions try from 50-53. That will cover you pretty much from asphalt to carpet.
On the car that the car that he is getting already has a 108 on it. He needs pinions between 50 and 55.
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