I think you should take the money and buy a bigger Jon boat. Here is why. I have a 1432 " Johny" I bought for 50 bucks. It is not nearly as sturdy as my new 1436 Tracker. That 4" was a big difference. If you go a bit bigger , you will increase room, and safety. I can take my 5 horse longshaft ( on a shorts haft boat) and it will plane and go about 11 mph. My buddy had a 1448? with a 15 horse and it went 30 mph. A Jon boat is very efficient.

But the fruits of the spirit is love, joy, peace, patience, kindness, goodness,faithfulness, Gentleness and self control. Against such things there is no law. Galations 5: 22&23