Getting the AC and PS working will help a lot. Good luck with your project and feel free to contact me if you have any questions along the way. I can't express enough how much I love My LS3 M3 even after owning a few very nice LSx FD's
Heres my latest build thread. It might help you with compiling a list of what you will need.http://www.norotors.com/index.php?topic=9282.0
Jim?...