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Old 04-11-2014, 05:55 AM   #6
FF
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Join Date: Oct 2007
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Sounds like the PO was knowledgible about diesels and has on board two cruising props.

A 36 ft boat should be delightful normal cruising at 6K or perhaps 6.5K.

8.5K will probably be 3X the fuel burn regardless of weather at 1900 or 2400RPM

Try 1600 or so , should be quiet , efficient , good for the engine , and will give the boat her normal cruise speed.
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