Stefano I have not seen the manual disk for 67 but I have a friend who has a 68 harrell nova with manual disk setup. when I ride with him he usually pumps the brakes twice to stop. kinda unnerving if ya ask me. If you would like to see pics of his car please go to:
http://community.webshots.com/user/bzacek
and click on the cruzin Central pics.
Bill