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Re: Brake Pressure Reg Substitution


    I assume (from the cost, amongst other things) that you are referring to
a rear brake proportioning valve similar to that used on the Type 44.
    A couple of listers have commented on using manual proportioning valves.
These are dialled in for the pressure required at the rear brakes under
normal conditions, they are not dynamically adjustable for load like the
hi-tech, hi-$$$ Audi units.
    You should be able to source them at speed shops or brake shops, but
they may not be available in metric sizes - I've never tried to find one of
these myself.


Fred Munro
'91 200q  281k km

----- Original Message -----
From: Don Muirhead <dmr@kwic.com>
To: Quattro (E-mail) <quattro@audifans.com>
Sent: Tuesday, September 28, 1999 10:39 AM
Subject: Brake Pressure Reg Substitution

> Having a bad Audi week...
> An early morning panic stop to avoid a couple deer on Sunday has resulted
in one toasted Brake Pressure Regulator.
> '86 CGT BPR PN# 443-614-151-H  ($551.00 CDN)
> '84 CGT BPR PN# 811-614-151 ($121.00 CDN)
> I realize the '84 is drum and the '86 is drum/disc but I'm looking for
Audi or even VW options on this rather costly item.
> I've had a couple of bad experiences with used regulators over the years,
so that option doesn't don't tickle my fancy.
> Any BTDT on substitutions?
> Don