Hey All,<br /><br /><br />I Just bought A 2006 Lowe FS175 w/2006 Mercury 115HP EFI 4-Stroke..<br /><br />It came with a 13x19 Aluminum Prop. I am looking at possibly purchasing a Stainless Steel Prop in the near future.<br /><br />I understand the pitch of the prop, and will probably keep that at 19" Pitch... <br /><br />What I don't understand is the Diameter of the prop? When looking for props, i see many different size diameters available.<br /><br />What difference will the diameter make? For example, If I were to go to a 12-1/4" diameter, or a 14" diameter, and stay at the 19" pitch, what difference would either of those diameters make?<br /><br />Thanks,<br /><br />-TheChad