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07-03-2009 | 09:53 PM

#22

509boatman55

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Joined: Nov 2008

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From: Richland, WA

RE: adding castor?

I buy gallons of Powermaster 20% Nitro, 18% Oil(2/3 synth &1/3 Castor) I then add Castor to bring it up to approx 23% oil. Makes my old Cox engines sing!(very economical also)

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