Bleeding Dual Circuit 69 Brakes Again and Again and...

[Jon Pike <jhpike@domain.elided>]

> I can't believe this is still not working. I took it to a professional with
> vacuum and pressure bleeders and he swears there is no air in the system. Yet
> the pedal is still low and soft. Its a newly resleeved MC, new front brake
> hoses, and I've gone through a number of quarts of DOT 3 fluid trying to bleed
> it myself, cracked the lines at the boosters, kept the engine running and so
> on and so forth. What else do I need to do? I'm a desperate man and the matchs
> are starting to whisper to me, "burn it, burn it, burn it..."
>
> Mitch Wolberg
> Denver, CO
> 69 Berlina - it better be scared
> 69 Spider Jr.
Awwww.. that was my first car.. don't hurt her!

Though I understand,  and might be in a similar mental place if I was you..

Couple of things..  have you gone into the MC's?  I have this mental 
picture of bad seals (or rust pitted bores) allowing the fluid to leak 
down, part way thru the pedal travel..   Could the vaccum boosters cause 
this kind of symptom?

I have the strongest memory,  that my 69 Berlina had only one 
booster/MC.  Yes it was 20 years ago,  but the dual circuit pictures I 
see just don't look right.  Was it ever done, to replace the dual system 
with a single booster one?  Or, did I only think I had a "69" and it 
might have been a 71?  (pretty darn sure that the date plate stated 69)  
If you can convert systems..  was it a good idea,  and might it be a 
stress reducing option for Mitch?

Jon
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