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Old 03-12-2013 | 10:29 AM
  #2710  
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SEF
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Originally Posted by vulcanbomber
Question for you stock racers. I will be running a B4.2, tekin rs pro with a gen 2 17.5. I have 75t spur. What pinion should i start with. I am running at TQ hobbies in Boise, ID in 2 weeks ( I would say its a medium / small sized indoor track ). Locals are running 72/29 and 69/36. The issue is I don't have those gears and since this will be my first time running stock is there something comparable at 75t spur / pinion?

Let me know if you need more information. Like i said ive never been down there and dont want to purchase more spurs/pinions for a one time stock race. Im just tired of getting my butt kicked in mod.... so i am ready to get it kicked in stock .
Locals are running a pretty wide range in gearing, anywhere from 2.48:1 to 1.92:1. 30-31t would be close to 72/29, and note that a 35t is about the largest pinion you can fit with a 75t spur. I currently run 75/34-35.
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