Not only totaled cars, but some people are parting out their interiors to build race cars. Just watch the member classified section or post your request in the WTB forum.
@
MicheleAbbate has a part out thread that has been going for a while, and she had pics of the pieces you want in the lot she had for sale. Her thread says she still has them.
http://www.ft86club.com/forums/showthread.php?t=59431