Originally Posted by Rosylab
Thanks for the info Cobalt327. I think I'll replace the dist block with a T-fitting to service the front brakes and run a new line to the rear. Right after I install the new Edelbrock intake manifold and carb.
Why? The aftermarket combo valve already has separate outlet ports for the two front wheels. Just plumb from these outlet ports to each front wheel and from the rear outlet port to the rear wheel junction block on the rear axle. Discard the original distribution block. Problem solved.