| Posted: September 14 2007 at 21:17 | IP Logged
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Mark,
I have a 96 2655 with 5.7L engine and 17 inch pitch prop. My best cruise is 3500 RPM and a little over 10 gallons per hour. I usually figure between 1.8 and 2 mpg.
Remember wind and current will also change your mileage.
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