I just bought a 1988 19' bayliner open bow with a OMC 4 cyl, 3.0 Liter, Cobra outdrive.<br /><br />Being new to boating I recently took a chunk out of my alum. 13 3/4 x 15 prop and am looking at replacing it. If I remember right the boat used to get about 35mph at 4,400 RPM (don't quote me on...
