Wow. My project isn't as far off as yours. I too have a donor car and will be doing what you are doing. I have a couple of questions though, how are you planning on attaching the roof at the C-pillars. It looks like you grabbed the roof skin, and just replaced the A-pillars. Doesn't this add more work than grabbing the whol structure? I have looked at mine in enough detail to get a good game plane yet. This winter I will.
So what are the specs on the car? Is it an R/T? Mine is a 70 R/T SE 440 with dark green paint and lime green bumble bee stripe. Oh, and A32 package.