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Old 03-14-2008, 08:18 PM
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Location: Lebanon, OH
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Default RE: .o49 engines by cox


I love these little engines and have bunches of them. Been flying them for years. If you don't mind sharing your secrets, I am dying to know how to get a surestart to rev up to those rpms with a 6x3. I have polished the cranks, smoothed out the inside of the case, enlarged the venturi, used the galbrath head and still don't get near 15K rpm. It is driving me crazy. I placed an order for a Hyper Color engine ( to get a decent reed engine) some months ago but I understand that Tim Wiltse is going through a rough patch, I wish him the best.

Please, I know that many of us would love to here how to get surestart engine up to 18K! If you would be so kind as to share your knowledge.

Thanks in advance,

Pat (also in Ohio)