i have a 1979 starcraft 22' starcraft super sport with a 1977 200hp johnson. (weight w/o people 2,500 lbs.) also a 1977 evinrude 9.9 long shaft i use on occasion to troll with but its main purpose would be to get me in if the big motor fails. the 9.9 came from a 5,000 lb sail boat with a 10x5 3...