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Old 12-20-2011 | 10:55 AM
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k3 valley flyer
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From: Bourbonnais , IL
Default RE: What Engine do i have?

I ran OS FP 40s on 15% Cool Power for years with no problems as did many other members in my club. All castor oil fuel did was varnish them up. Any engine can be run to lean but if tuned correctly the synthetic fuel worked just fine.