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Old 12-23-2006 | 10:54 PM
  #10  
hooty301
 
Joined: Nov 2006
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From: lisbon, OH
Default RE: Fastest Engine
What size prop are you using now? What fuel are you using?
Just as an example, if it were mine and I was using the .61FX I would try maybe a 10 X 9 and 15% nitro fuel?
An Ultra Thrust muffler would really wake up that O.S. too...(wouldn't it? I know it works great on a Webra .50!)
Im running 15% coolpower with a 12/4. Where could I find this muffler you speak of? Also what kind of rpm can be expected from .91fx with a12/6?
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