................Okay....asbestos flame suit is on.......here goes......so...you've got this production boat who's hull you absolutely adore, but the entire deck / cockpit just doesn't suit you. You'd like it to be lower....less volume etc. etc. COULD YOU ????..........flinch.........wrap the whole boat in stretchy saran wrap.........turn it upside down on some sawhorses, and start laying on glass ???? Kind of using the existing boat as a reverse mold. When you're done with this, you crawl underneath, mark the gunnel lines, pop the whole thing off and cut away the nasty dangling excess. Install wooden inwales, temporary cross bracing etc. etc., and proceed to fashion your own deck atop the existing structure ??? Fire away !!!