Ok having a hard time deciding so what would you do...if you had a 16 by seven with 26 sides with 454 airboat with just little work to be done (deck, front steer, seat arrangement, and some other odds and ends.) boat already has light rail on it . Or do every thing on a 18 by 8 with 23 sides hull. would be pulling the 454 off the other boat and put on the 18 foot if we went that route..