I am no enthusiast of putting the required work into any boat that had sunk , esp if the interior was trashed.
However there are HUGE bargans out there with boats that are currently unloved due to the fuel price.
Boats4sale.com** is a local rag with an internet site.
There are dozens more that do not require a broker to list (as Yachtworld does) saving another 10%.
A quick look found a number of big gassers that would be great cruisers.
A conversion to diesel would ONLY pay for someone that was going to keep the boat cruising a long time, or someone with the skill set to do it on the cheap.
I believe $10 ,000 would get 2 smallish* diesels ( Used marinized truck takeouts) in for the good scrounger , with a wrench and a trailer to lower shipping costs.
41ft* is about as big as two rated 300hp car conversions could ever be expexted to push so this doesn't work if you need a roomaran 65.
At disp speeds these hulls are not efficient , but happily gas engines are , so the first question would be an assement of the cost of just cruising it AS IS.
Figure 80 hp will be needed to go SL x 1.1 or so, so 8gph total* of gasoline to cruise.* Figure your annual or projected 5 year cruising .
The same 80hp would be 4 gph total in a diesel.
Found were 41 Hatteris aft cabin $22,000
another Hat 41 with better T/440 chryslers at $36,000
35 Chris Craft convert** $25,000
36 Uniflite sedan repowered* $29,500
*34 Mainship trawler diesel, $39,990
*37 Lang Trawler 6-71 $30,000
The Hat's were great built boats as is the Uniflite .
Something to think about* is these boats are far more common on the Great Lakes , so selling competition would be higher than in New England area/
And if a recession does come , the price of* oil will be $40.00 a BBL so gas should go back under $2.00.And these boats AS IS will be desireable once again.