My 1977 25' Oday needs replacement bulkheads does anyone have experience in replacing these?
Hi scott,
Yep, lots of us have experience with that. I guess I am the latest one working on that project.

To start, check out the three threads that take you through my oday 26 project. I started out with a weak deck under the mast tabernacle, then found leaky chainplates that had rotted out my bulkheads, and am now involved in a prettty extensive rebuild. I am new to sailboats, but I have a fair amount of experience with basic workworking' power tool use, and electrical skills. So far I have not found anything that i couldn't do, but the progress is slow due to the learning curve, and each task has a fair amount of problem solving to go with it.
To get started, check these three threads. There are lots of pictures and advice:
Sea Trek "Trouble with tabernacles" The beginning
That sinking feelin'..trouble with compression post
and "cutta hole in my boat.