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Old Nov 12, 2012, 08:14 PM
GliderJim is offline
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Michigan, USA
Joined Jul 2006
613 Posts
I use Sig Champion 25 fuel for Cox engines. All the Champions fuels have 20% total oil - 1/2 castor, 1/2 synthetic.
http://www.sigmfg.com/IndexText/SIGCF001.html
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