I have a Yamaha 90 hp 2 stroke on a 18' Sailfish cc, total wt 2200#. This boat came with an alum. 17p prop. This set up would do 37 mph at 5300rpm. Tried several SS props of various pitch. The one that has worked the best so far is Power Tech 14x13. This prop give a good hole shot and pulls good at all rpm. Top speed is 34mph at 5600rpm. <br />I am going to try a 131/4 x15 Turbo 1. What can I expect from; hole shot,top speed [rpm and mph]and what would the characteristic differences between the 2 props be?<br />Ed