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Thread: U.S. Vintage Trans-Am Racing Part 2
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Old 12-31-2012, 04:07 PM
  #3551  
rtebbe
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Originally Posted by mikel33
May I ask what is your FDR?
With 60/37, the FDR comes out to 4.05. If I jump to 39 pinion, it drops to 3.85.
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