Combo valve or manual prop and resiual valves?

[The Rocknrod]

Originally Posted by skip99

I installed a 4 wheel disc setup on 51 truck, i have a new combo valve that i need to swap for a disc disc, but my question is , should i use the brass combo valve?( it looks ok and has a bracket to mount under mc, looks stock) or should i get 2 2lb residual valves and a prop valve for the rear, ?

Where is your master cylinder mounted?

[skip99]

Originally Posted by The Rocknrod

Where is your master cylinder mounted?

Firewall