Thread: Spec-R R1
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Old 12-23-2013, 06:06 PM
  #2216  
SteveM
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Originally Posted by Toasty359 View Post
Hey guys, what spur and pinion should I use to get a final drive ratio in the 3.5 to 3.8 range using 64 pitch gears?
I run a 90T spur and a 48T pinion in Canadian VTA with a 21.5 motor to give me an FDR of 3.56
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