I'm looking into a 1978 14 ft allison. What can I safely put on it as far as H.P.? I've got 80, 100, and 140 mercs. And an 85, 100, and 125 Johnrudes. What type of props will work best? Any input will be appreciated. Are the 13s a better one for speed, or can you make a 14 run also?