i have a 25 fising barge. we keep it loaded prety heavy. has a merc 1999 90elpt 4 stroke, which does an ok job. it has always run in the 5000+/- 500 rpm range, even new and with nothing but 4 people on it. i am going to put a 14/10p on it to replace the 14/11p. do you think this will help?