Well I have my 1974 tri-hull tore apart. Transom,floor and stringers and cap are out. After reading tons of post about what I need to do and what products I will need I am not sure this boat is worth repairing. The transom and stringers and floor I figure will cost me 1000.00 to 1200.00 to fix. Then engine in it needs repaired or I need to find another engine for it. If I can find a used one for 800ish or 1500 to have mine rebuilt. Right there I am over 2500.00. I think the outdrive is ok. Then I would have to freshen up the interior not sure what that will cost yet. I think I could make it look alright for say 500.00. So say I will have 3000.00 dollars in a 1974 tri-hull that when done it will not be worth anywhere near that. I am at the point now is it justifiable to continue with this project. I always hated the thought of cutting this boat into pieces and scraping it but maybe its lived it life. Let me know what you think and what made some of you fix up your older boats.