With the custom body, the conventional method of filling the master cylinder was probably difficult or impossible to do. The remote reservoir did nothing to improve the performance of the brakes- - - - it just made topping off the fluid more convenient.
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!