Hi I need some advice.<br />Ihave a 15ft fiberglass invader boat and I think it's probbly under powerd right now I have a 25 hp evinrude on it and I get 20mph on gps with one person.<br />the boat is rated for 60hp I have a 35hp I want to put on do you think this is enought power?<br />the boat came with a 55hp that I would like to use but it needs lots of work.<br /><br />hers a pic of my boat<br /> http://www.picturetrail.com/gallery/view?p=999&gid=5833412&uid=2461186&members=1 <br /><br />I don't need to go very fast but would like to go a decent speed and I don't want to over load the motor.<br />any ideas?