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Master Cylinder question

Subject: Master Cylinder question
From: thesirocco@yahoo.com (R Block)
Date: Wed, 13 Mar 2002 00:19:58 -0800
>Chris,
>While I know you probably have more experience with this stuff than me I 
>will try to disagree with you for moment.
>
>A larger MC gives less pedal travel (than a smaller one) to actuate the 
>brakes.
>A larger booster gives more pressure (less required from you foot) to 
>actuate the brakes.
>Am I correct in this?
>
>Too large a MC can make it hard to modulate the brakes under racing or 
>emergency conditions.
>Too large a booster can take away some of the pedal feedback under these 
>conditions.
>
>Either way you are removing the driver from the experience. (I hope that 
>makes sense).
>
>In my opinion if you are having a hard time stopping a car (especially the 
>light Mk1/Mk2) then a switch of pads is in order.
>Mintex C-tech, Repco Metal masters, Ferodo ???, whatever wets yer whistle.
>I realize It is a different story with a 3800lb S4 or 3200lb M3, but is 
>because of their weight.
>
>If a person is driving around with stock or unknown pads and decides that 
>in order to get better braking they need to go with a larger MC/Booser or 
>larger calipers/rotors they are going about it the wrong way (not putting 
>the time and effort to find out what is really the problem). A switch to 
>better (or newer) pads and/or rotors (staying the same size) or even 
>bleeding the brakes properly can yield overwhelming results if the 
>previous setup was bad.
>
>BTW I am finially switching to the 16V booster and MC (thanks Mike!) with 
>my full 16V setup (mk1) and am not looking forward to re-learning how to 
>threshold brake and heel/toe with the new setup (was running the 16V 
>brakes with 81 MC and Booster). I will be running 10.1"/8.9" Zimmerman 
>X-drilled F/R and Front:Mintex c-tech, R:Mintex red-box.
>In my opinion this setup will be MORE than enough for street or heavy 
>track use (just ask people who have ridden with me how hard I am on brakes).
>If it is not adequate for the track then I will get a second set of front 
>rotors/pads for the track and run Hawk Blue pads, switching back and forth 
>for street/track.
>
>Just my limited experience $.02 worth.
>
>Randy
>www.myscirocco.org
>
>
>
>
>
>
>At 04:18 AM 03/13/2002 +0000, Chris DeLong wrote:
>>although you may not "see" any great advantage to having a 25mm master vs 
>>a 22mm master. The difference is very real and very great.
>>I work on these cars every day. I have seen jsut about any setup out 
>>there. And I can say for certain that the 25mm master is a great improvement.
>>
>>
>>>
>>>nope, but though I am not trying to make you change your mind, unless you
>>>have 13" brakes on your car, I see little advantage in 25mm M/C versus a
>>>22mm M/C on 10" brakes.
>>>
>>>beside the 22 can be had at 90$, save your money for other mods or better
>>>brake rotors (crossdrilled or ATE Slotted)
>>>
>>>Patrick
>>>
>>>=>-----Original Message-----
>>>=>From: scirocco-l-admin@scirocco.org
>>>=>[mailto:scirocco-l-admin@scirocco.org]On Behalf Of EUROROC II
>>>=>Sent: Tuesday, March 12, 2002 9:25 PM
>>>=>To: scirocco-l@scirocco.org
>>>=>Subject: Re: Master Cylinder question
>>>=>
>>>=>
>>>=>Never mind. I confirmed that the 441 611 021 A is the right
>>>=>number for the
>>>=>25.4mm model. It was the only one used on the '91 Coupe Quatro.
>>>=>
>>>=>Anyone know what a good price for this would be? Impex has them
>>>=>for around $200
>>>=>
>>>=>-Raffi
>>>=>
>>>=>
>>>=>At 07:08 PM 3/12/2002 -0800, you wrote:
>>>=>>There is also one for Vacuum Servo 893 611 019A and one by
>>>=>Girling 893 611
>>>=>>021B. So which one? Another parts site I checked lists the replacement
>>>=>>part as a 22.2mm master cylinder, are they wrong?
>>>=>>
>>>=>>-Raffi
>>>=>>
>>>=>>At 11:34 PM 3/11/2002 -0800, you wrote:
>>>=>>>The # I got for 1990 Audi 80/90Q was:
>>>=>>>441 611 021 A
>>>=>>>"tandem master cylinder for vehicles with power steering and hydraulic
>>>=>>>brake servo"
>>>=>>>25, 40X17, 5/18 ATE lhd
>>>=>>>Model 7A
>>>=>>>
>>>=>>>That the description I have in Etka based on the vehicle Chris described
>>>=>>>Don't know if it will work or not.
>>>=>>>
>>>=>>>HTH
>>>=>>>
>>>=>>>Randy
>>>=>>>
>>>=>>>At 06:35 AM 03/12/2002 +0000, Chris DeLong wrote:
>>>=>>>
>>>=>>>>Due to my shitty video card I cant give the exact part number
>>>=>'cause my
>>>=>>>>etka wont work with this big shit. The ppart number starts
>>>=>with a 441 I
>>>=>>>>think. They come on an Audi 90 1990 quattro non-abs 20v non turbo.
>>>=>>>>
>>>=>>>>>From: Scott Rose <slash2@mindspring.com>
>>>=>>>>>To: scirocco-l@scirocco.org
>>>=>>>>>Subject: Re: Master Cylinder question
>>>=>>>>>Date: Mon, 11 Mar 2002 23:51:21 -0600
>>>=>>>>>
>>>=>>>>>What are those off of, and what's the part #?
>>>=>>>>>
>>>=>>>>>
>>>=>>>>>At 05:31 AM 3/12/02 +0000, you wrote:
>>>=>>>>> >just use the 25mm master and you wont even think about
>>>=>those dinky 22mm
>>>=>>>>> >masters ever again.
>>>=>>>>> >
>>>=>>>>> >
>>>=>>>>> >>From: EUROROC II <flaatr@yahoo.com>
>>>=>>>>> >>To: scirocco-l@scirocco.org
>>>=>>>>> >>Subject: Master Cylinder question
>>>=>>>>> >>Date: Mon, 11 Mar 2002 19:25:36 -0800
>>>=>>>>> >>
>>>=>>>>> >>If the Scirocco 16V and the Corrado (non ABS) both have 22mm master
>>>=>>>>> >>cylinders then why does the Scirocco replacement cost more? I've
>>>=>>>>> seen the
>>>=>>>>> >>Corrado units for about $90 and I find Scirocco ones for
>>>=>around $130
>>>=>>>>> >>
>>>=>>>>> >>What am I missing?
>>>=>>>>> >>-Raffi
>>>=>>>>> >>
>>>=>>>>> >>
>>>=>>>>> >>_______________________________________________
>>>=>>>>> >>Scirocco-l mailing list
>>>=>>>>> >>Scirocco-l@scirocco.org
>>>=>>>>> >>http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>>>>> >
>>>=>>>>> >
>>>=>>>>> >_________________________________________________________________
>>>=>>>>> >Get your FREE download of MSN Explorer at
>>>=>>>>> http://explorer.msn.com/intl.asp.
>>>=>>>>> >
>>>=>>>>> >
>>>=>>>>> >_______________________________________________
>>>=>>>>> >Scirocco-l mailing list
>>>=>>>>> >Scirocco-l@scirocco.org
>>>=>>>>> >http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>>>>> >
>>>=>>>>>Scott Rose
>>>=>>>>>88 red 16v
>>>=>>>>>90 yellow g60(or what's left of it)
>>>=>>>>>
>>>=>>>>>_______________________________________________
>>>=>>>>>Scirocco-l mailing list
>>>=>>>>>Scirocco-l@scirocco.org
>>>=>>>>>http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>>>>
>>>=>>>>
>>>=>>>>
>>>=>>>>
>>>=>>>>Chris DeLong
>>>=>>>>ICQ#45030867
>>>=>>>>Seattle, WA USA
>>>=>>>>'80 16V 'Rocco ragtop
>>>=>>>>'91 GLi 2.0 16V
>>>=>>>>'77 Rabbit 16V
>>>=>>>>'80 'Vert (parting out!)
>>>=>>>>'61 17 Window type II
>>>=>>>>'91 Vanagon
>>>=>>>>'78 Rabbit
>>>=>>>>'84 Jetta
>>>=>>>>
>>>=>>>>
>>>=>>>>_________________________________________________________________
>>>=>>>>Chat with friends online, try MSN Messenger: http://messenger.msn.com
>>>=>>>>
>>>=>>>>
>>>=>>>>_______________________________________________
>>>=>>>>Scirocco-l mailing list
>>>=>>>>Scirocco-l@scirocco.org
>>>=>>>>http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>>>
>>>=>>>
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>>>=>>>
>>>=>>>
>>>=>>>_______________________________________________
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>>>=>>>Scirocco-l@scirocco.org
>>>=>>>http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>>
>>>=>>
>>>=>>_______________________________________________
>>>=>>Scirocco-l mailing list
>>>=>>Scirocco-l@scirocco.org
>>>=>>http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>
>>>=>
>>>=>_______________________________________________
>>>=>Scirocco-l mailing list
>>>=>Scirocco-l@scirocco.org
>>>=>http://neubayern.net/mailman/listinfo/scirocco-l
>>>=>
>>>
>>>
>>>_______________________________________________
>>>Scirocco-l mailing list
>>>Scirocco-l@scirocco.org
>>>http://neubayern.net/mailman/listinfo/scirocco-l
>>
>>
>>_________________________________________________________________
>>Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp.
>>
>>
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>>Scirocco-l@scirocco.org
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