The seats were an airtight enclosure. I put some framing inside to hold a 1/4" sheet of ply and filled the gaps and fiber-glassed over them. They are air tight again. I could have filled them with foam, but I havew to keep expenses to a minimum, Ribs...They are air tight again and will do the job..........

Realist - Everybody in America is soft, and hates conflict. The cure for this, both in politics and social life, is the same -- hardihood. Give them raw truth.