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  1. S

    Will Changing pitch from 7 to 8 matter?

    I have a 2010 9.8 Nissan 4-stroke also and came from factory with 8" pitch. Boat is an old 14' Lone Star V-bottom. With me and fishing gear, 8" pitch prop, using GPS, boat hits 22mph. I switched to 9" pitch prop and under exact same conditions boat runs 25mph. Maybe lost about 100-150 rpm.
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