[urq] Master cylinder upgrades

[Thatcher Hubbard]

The two ports vs. four ports is perhaps ABS-related ? 

On 7/1/05, AUDIJIM at aol.com <AUDIJIM at aol.com> wrote:
> Hello,
> 
> I am in the middle of my brake upgrade on my UrQ. So far, I have installed
> the G60 front calipers, new pads, rotors, and some custom stainless brake lines
> I had made. (I showed some guys these brake lines at Carlisle about a month
> ago) For the rear, I have installed the S4/S6/V8 calipers with the vented rear
> rotors and also the stainless brake lines. New 4000 Q e-brake cables are also
> standing by for installation.
> 
> Today I want to install the new proportioning valve, brake servo and master
> cylinder. The first two items are OE correct and will install without a
> problem, but I have a question with the M/C. Someone told me that the "HOT" upgrade
> was to use the M/C from a (3B) 91' 200 20v. I have two new M/C sitting in front
> of me right now, an original UrQ (443 611 021) and the 200 M/C (441 611 021
> B) The 200 M/C does not have the correct ports that I need to connect all the
> lines, in fact it only has two ports for brake lines. The UrQ M/C has 4 ports.
> If I am missing something, please chime in. Or perhaps I didn't get a few
> other bits that I need for this conversion? Any information would be helpful.
> Maybe my friend was wrong with his info about the "HOT" M/C upgrade? He has owned
> a UrQuattro for a long time and has many modifications done to his car, so I
> trust his direction on this upgrade, but nobody is perfect and he might have
> meant to say a different M/C?
> 
> I'll be working on my car, so if anyone has any info, please feel free to
> call me on my mobile phone 856.577.3132. I will be in and out of the house to
> check e-mail also.
> 
> Thanks for your help,
> 
> Jim Furdyn
> 1983 UrQuattro #170
> 1987 4000cs Q
> 1987 Euro 200/5000cs TQ 282,000 miles
> 1996 A6 Quattro Avant
> 1987 Mercedes Benz Truck model 1219
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