It's also possible to bypass the hydrovac by disconnecting the lines from it and splicing them together. You'll end up with no power boost, but also no leakage that empties the main MC. Just get accustomed to pumping the pedal a few times before you move enough fluid to apply the brakes. Keep the shoes adjusted very close to the drums, not quite dragging, but almost.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!