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Old 06-24-2012 | 06:03 AM
  #866  
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James khoo
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Tune my Arrow today,with car drive ratio of 12.20.Temp 118 c,Byron 30/11.




I got very very good runtime on a small track.



I had try drive ratio of 11.97,but the runtime are 11.30min the best.
This engine love light gear ratio!!!
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