Yes, I am considering spending time and money to approach 80mph. The boats I read about were running 70-80mph, but it might be capable of more if done well, only one way to find out. As far as final value, yes, I do believe I could sell the finished hull for more than what it's worth now considering the floor and transom are completely rotten and the boat isn't really worth anything as is. But if I were to take on a project like this, resale value would not be the main objective. If I had the money for a TUFF 16 I would place an order without hesitation! Those are cool little boats, but I'm thinking of ways to work with what I have.
You seem shocked that I would settle for 80mph. I race F1 and was running 110mph with a carb BP last summer. I have seen what happens when things go wrong at those speeds and I personally do not have the desire to run that fast in an open boat on the lake with no safety crew. For a cottage toy to run around in on the weekends 80 is fine for me, and if I could do it in something a little bit different than everyone else that would be cool.
Boomer... that is not a sidewinder. I realize that the Allison 15 is a lighter boat, but it is smaller and sits fine with a 12" mid (look at the picture he posted on pg 13). Pads have been added to sidewinders and seem to help quite a bit, like this one:
http://fastboatscanada.com/vBulletin/sh ... hp?t=11812 And I expect a flat pad would handle even better.