Ok, you guys talked me into rebuilding myself, I need help now ;)

Fishy, I love your precise explanations.

Just a note if I may.
If you are blocking the servo it is recommended to use D rings on it. (zero leak down)
Steel rings are second best, then teflon.
Also teflon rings wear sealing surfaces more that the steel ones believe it or not.

And to the OP, I used a metal lathe to turn down the edge of the pressure plate for clearance and any decent machine shop can do the same buy chucking the inside of the pressure plate.
Let me see if I can find a pic BRB

Dammit, doubled up on that since FABO hiccuped during the post, sorry.