[buening]

To clarify, the terminology for our cars is:

distribution block = all drums
proportioning valve = disc/drums

All drums will use the same pressure for all lines, there just need to be a block that splits the one line into two (for front and rear bowls). The disc front and rear drums use different pressure, so it needs to be proportioned in the distribution block. Earlier cars had an external propotioning tube, whereas later cars (70 and later) had it built in to the block. The granada cars use the built in block. Just a friendly FYI post