>Booster and MC
To clarify (I've had more than one person ask me off line):
We are NOT using shims where the booster mounts to the MC. That
won't work even if you wanted to do it, as it breaks the seal
between the two, and vacuum matters.
The shims are placed at the end of the rod coming out of the
booster, effectively lengthening the rod. Hence, adding shims
reduces free play.
The earlier boosters on the Spider/GTV/Berlina have an acorn nut on
the end of a threaded rod coming out of the booster. Looks like the
shims in the Milano/GTV6 were a cost reduction effort..
Ah ha. That was my next question. I had assumed you were placing
shims between the non-moving parts. That's what I had to do between
the booster and MC in my Dino to prevent the brakes from binding up
after a few minutes of driving. (I was concerned about introducing a
massive vacuum leak, but it doesn't seem to be an issue; my initial
assumption was that the design of that booster must be weird, and not
dependent upon a seal at that interface, but now I just wonder if the
complex vacuum piping is plugged up with insect nests or something
since the pedal effort required to stop the car is rather high...)
-Joe
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