Master Cylinder upgrade for all FWD type 85's

[Alexander van Gerbig]

    FWD cars have diag circuits and Quats have parallel.  TYP89 FWD models
have a proportioning valve at the rear axle for the rear brakes.  TYP89
Quats have a proportioning valve up front under the MC that controls rear
pressure.  Just checked one of my silly Audi tech books.

    Sounds like the FWD 100 may have parallel brakes, not diagonal.  Maybe
that Audi changed the FWD models over to diagonal systems after the TYP89's?
I am getting a 90q20v 25.4mm MC from Force 5 and it should have 4 outputs,
though one is blocked for the quattro.  When used on my FWD I'll take the
plug out and put in my 4th brake line that quats don't have.  Hope it works
well!

Alexander van Gerbig -- '88 80

The Audi  80 Pages-----------------
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North Ferrisburg, VT 05473