So I took apart a spare OEM proportioning valves as a trial.
In the past I have found these get filled with gunk and crud, so disassembly, contact cleaner and re-assembly does help.
Anyhow here's what it looks like:
I wonder if there will be any improvement on pedal feel when you are done...
Also, would anyone care to comment on whether you should remove these if you have the 16V proportioning valves on the car too? I don't know the part pictured above becomes redundant, or if it is needed too.
Still on the todo.
I'm telling you it's this stupid prop valve, if I can figure out the hyd seals, or if the guy who sent me an IM can figure that out we'd be in business for a full kit.
The rebuild kit would be just seals, I'd leave the bores on this alone. There are three o ring seals that seal the nuts at the end, those are easy and have little affect on the system except to keep fluid in.
The hydraulic seals that go around the little red pistons will have worn on the OD so direct measurement wouldn't provide appropriate part.
Gunna check Mcmasters and see if there any little hyd seals for the pistons.
This is great! I have the same issue with my '76, I just don't like how the pedal goes to the floor. Thanks for the post and will be checking this one often... http://****************.com/smile/emthup.gif
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