UPDATE 3/22/05

We now understand that only the original TR6 master cylinders had ring seals made of this curious compound which requires silicone fluid. Newer rebuilt ones have the universal compound seals which tolerate DOT3 and DOT4 brake fluid.

UPDATE 5/12/05

Be sure to visit the "Mopar Master Cylinder" page for a new and better solution offered by the former owner of #36.