Hello Cam -- Welcome to the Forums! There have been infrequent postings of low resolution scans of old frame diagrams for the odd model here and there. I don't know any way to pull those up. Are you just starting the process or deeply into it? 'Rebuild' can mean any number of things -- at the most extreme a "shell off" restoration of the frame. I believe Ultradog has remade frames directly
on top of the old one as a pattern (also see this
). Other images are here
Can you be more specific with what you're seeking? Thanks.