Basically every thing that we have removed so far exposing all the enemy seals save one that is still buried in the rack.
This is the real seal that we are after. The other two are bonuses.
With this seal out of the way, and all the fluid removed and replaced with some synthetic grease, there will be virtually no back-pressure, no binding, no sloshing etc etc. It will basically be a fast ratio Manual rack which is exactely what I'm after.