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Old 06-16-2012 | 12:18 AM
  #252  
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nismomike
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Originally Posted by Jokermayhem
I'm running a 7.5 Tekin RS set up and was wondering what people thought of running the gear ratio 23/84 on a HUGE track?
Thats a final drive ratio of 9.5 and it will be geared to top out at around 60 mph. When I ran a Fantom 8.5 with a high torque rotor (lower kv) the highest I could gear it was 21/84. It had an unloaded kv of 4000. The Tekin Redline 7.5 has an unloaded kv of 6100. I'm still gonna go with Hethcox and say 18/87 or 18/84. I have a buddy in NC who runs at Cape Fear Raceway which is one of the biggest tracks in the U.S. and we run identical electronic setups. He only gears up 1 more pinion tooth than me (22/84).
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