Thanks so much for the response..here's more info

Disc/Drum 1 1/32 unit for an 85 dippy - new parts store purchase coni seal brand
Manual - no power
Manual pedal setup that was in car since new - 4 wheel drums
Rear drums adjusted to slight drag

Only a proporting valve or a combo valve (prop/metering functions)

Just throw all parts at car or take in stages?

Plaz