Originally posted by floatit:<br /> What are you running on your 20' boat?<br /><br />Prop Size -<br /><br />Pitch -<br /><br /># of Blades -<br /><br />((((((********Outdrive gear ratio?******)))))))<br /><br /> <br /><br />I have a 20' with a 5.7L and running a 14 1/4 x 21.