So, I have a 1979 thunderbird TriHull with a Mercury inline 6 outboard motor on it. There is crack in the fiberglass on the inside of the transom running from one of the lower mounting bolts for the engine bracket to the other. There also some give in the transom when I lean on the engine, so I am assuming there is some rot in the wood. I am thinking I will only be using this hull for 2 or 3 more years. What would be the best way to reinforce the transom? I have heard of some people just using two aluminum plates to sandwhich the transom and “spread the load” but I have also hear of people basically making an aluminum tube or aluminum angle iron frame around the perimeter of the inside of the transom and having cross bracing to where the engine mounts. I have access to the equipment and tools needed to make either of these options. What’s the best way to go, or is there another option?