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Old 09-18-2007 | 05:20 AM
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CustomPC
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Default RE: Muffler on O.S 75AX in Extra 300

Do you know what RPM's you're getting with the Bolly 13.5x6 CGr?

Looking at the suggested prop sizes in the manual i was going to start with a Bolly 13.5x8 in my Super Skybolt but now you have me wondering.