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A-75 RPM

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cub crazy

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Joined
Mar 12, 2007
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Just picked up another Cub this past weekend. 1946 with an A-75 (low time, good compression -with about 225 hrs) prop is a McCauley CM 70-43. Problem is, at wide open throttle max rpm is 2300 should be around 2600? Any ideas or suggestions.

Thanks!!

Robert
 

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