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07-16-2013, 03:50 AM

#15

Sport_Pilot

Join Date: Jan 2002

Location: Acworth, GA

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RE: Vintage K&B 61 power RPM

Quote:

Clarence Lee emailed me that he suggested an 11x7 as the most rpm out of the engine due to crankpin limitations.

Ithink later engines had this area strengthened. About the time when they came out with the pumper versions.

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