prop question

[badbowtie]

As some of you know I bought a 85 wellcraft with the v-8 which I just got running was out on the lake saturday and sunday. I had a freind of mine on the back skiing I only had to give it about half throttle to get him out of the water ( 180 pounds). I can run 47 miles an hour at 5100 rpm I would like to drop my rpm while cruising about 30 and maybe pick up some top speed. Since I got him out of the water with only about half throttle I figured I would not have a problem loosing a little get up and go. The prop that is on it right know is a 14.5 19p What should I look for also do I want to stay with 14.5. Thanks in advance.
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