Sounds like the M.C. from what you've said.  Just replaced mine, and the
old one gave those symptoms.

-Dana-

Zoran Mladen wrote:
>
> Hey folks!
>
> Well, now that the engine is running nice and
> smoothly, I've been looking at other issues with our
> 83 Westy.  We are having a peculiar brake problem,
> that I believe is the master cylinder, but wanted to
> throw it out for you folks to refute or confirm.
>
> Here are the symptoms:
>
> If you press the brake pedal quickly, brakes work
> great.
> If you press the pedal slowly, it will slowly go all
> the way to the floor.
> If you press them quickly and hold them, the pedal
> hlods firm, it does NOT slowly give way.
> There are no visible signs of brake fluid leakage
> anywhere; however, I have not yet removed the rear
> drums for a closer inspection.
>
> I'm thinking its the master cylinder.  What do folks
> think?
>
> Z
>
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Tax Center - online filing with TurboTax
> http://taxes.yahoo.com/