Recent content by andrew2002

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    Hummingbird SI puck placement

    I have a 2002 blue wave tunnel hull and I need to know where to put the si puck. A picture would help Im running a 17 pitch prop and would like to know if a 19 pitch prop would work better. I have a Yahama 150 VMAX. at 5800 rpms Im running 41 mph.
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