Bill,
I'm also doing a Bruce C. body on my car. I also wish I could have waited to get FFR's FIA kit, but... I'll try to get some pictures of my brake line routing in the back. I'm running IRS as well, and the brake lines run up the passenger side, mostly because of the chosen location of the ABS pump, and the fuel lines up the drivers side, for the same reasons as you posted. If I can shake this cold I've been fighting, I'll get in the garage this weekend, and get some pictures. Don't know that they'll help, but judging by everything else I've done, it might show you how you don't want to do this!
Rick