[drunken monkey]

you will have a riot with this kit; so many little things to mill and turn...

I reckon it's probably actually worth scratching a more accurate chassis frame to get them few extra mm here and these to make placing wires and oil/brake lines more easily and the next time I start one of these, it is what I would do.
It really bugs me that I can't have a complete brake system in place...

and those parts manuals; I have most of them in pdf form, even some appendixes for US versions of cars so just let know and I'll email them you when you need them.