I have an issue with "hard" brakes on my 1964 Ford Thunderbird
I have checked the brake fluid resevoir and it is full. I've also inspected it
while pumping the brakes and no air bubbles are evident. The brakes,
however, are very hard and only engage at the very bottom of the floor,
requiring an enormous amount of foot pressure. The brake is slow to retur (if
at all) to it's "set" position. My first inclination is that the brake booster is
suspect, although I've replaced it numerous times over the past years. Does
the vaccum system in the TBird affect braking? The vaccum system was
disconnected years ago when the engine was rebuilt and never
reconnected. Thoughts?