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Old 03-22-2007 | 09:05 PM
  #33  
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Insanemoondoggie
 
Joined: Nov 2006
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From: Altamont, MO
Default RE: 4*40 4 stroke
The,manual recommends 10%nitro with at lest 20% castor. I used Omega 5% as that's all I could findto break mine in.
Magnum does no recommend synthetic fuel in their engines.
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