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Old 02-28-2011 | 02:10 PM
  #1783  
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Jowers
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Originally Posted by rcdog008
Trying to gear a 17.5 in a b4.1 What is the largest pinion I can run with a 75 and or a 72 spur gear without runing out of gear mesh adjustment?? I am currentely running a 72 spur/ 30 pinoin and it is temping at 85 deg.
Sounds about right... but it depends on the motor/esc as well

I run 27/78 with SXX/Tekin 13.5 temps ~140*

If I was to try and gear for 17.5 I would go up 4-5 on pinion and 75 spur
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