Goin Nuts

I own a 1999 33 Powerplay sportdeck which rides great in rough water it has twin 502 mpis I was thinking of selling it and moving up to a 38 top gun t/s over rerigging the powerplay do to the need for speed and would like a little more space in the cockpit my pp dose almost 80 and is all stock would love to be in the high 90s without having to sell the house any opinions the rerigging can be all done by myself do to the fact I own a repair shop thank you in advance for your opinions . Mark