PROPORTIONING VALVES on 16v

[tofunit at yahoo.com (toFUNit@yahoo.com)]

To respect the ratio 70% front - 30% rear?


--- ATS - Patrick Bureau <txrocco@sbcglobal.net> wrote:
> the proportioning valves are to limit the amoutn of pressure sent in rapport
> to the front in variation to the amount of pressure applied to the brake
> pedals, to limit the amount of pressure sent towards the rear, thus
> preventing wheel lock up and keeping the braking ration to oem specs .
> 
> ATS - Patrick Bureau - txrocco@sbcglobal.net
> ----------------------------------------------
> MSN:ATSGTX@hotmail.com |YAHOO:ATSGTX@yahoo.com
> ICQ:32918816           |AIM:Texasscirocco
> ----------------------------------------------
> 
> 
> =>-----Original Message-----
> =>From: scirocco-l-bounces@scirocco.org
> =>[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Drew MacPherson
> =>Sent: Wednesday, July 16, 2003 9:51 AM
> =>To: Anson Clement
> =>Cc: scirocco-l@scirocco.org
> =>Subject: Re: PROPORTIONING VALVES on 16v
> =>
> =>
> =>
> =>Bollocks...!! :)
> =>
> =>On the Mk2 Scirocco ETKA calls the vlaves on the 8V and 16V brake pressure
> =>regulators (pressure sensitive.)  Early A2 Golfs are called "load
> =>sensitive"  pressure regulators.   Late Golfs and all A2 (and A3 etc.)
> =>Jettas have load sensitive pressure regulators that are tied to the rear
> =>axle beam and vary rear brake pressure based on weight on the rear axle.
> =>
> =>Rear brake shoes on our cars are self adjusting - there's a spring loaded
> =>wedge in the linkage that keeps the brake lining an optimal distance from
> =>the drum at all times.
> =>
> =>So, as much as I'd like to believe it, Anson, I don't think it's
> =>true...:)
> =>The 8V valves are pressure limiting the same as the 16V ones are, only
> =>allowing (probably more) pressure through.
> =>
> =>That's my story, and I'm sticking to it.
> =>
> =>Drew
> =>
> =>On Wed, 16 Jul 2003, Anson Clement wrote:
> =>
> =>> To the best of my knowledge the "proportioning valves" mounted on an
> =>> 8v's master cyl are actualy some sort of check valve. The porpose of
> =>> these wee little bundles of joy is said to be keeping good pedal
> =>> feel/preventing the shoes from retracting too far from the drum.
> =>>
> =>> correct/slap me if I'm wrong :)
> =>>
> =>> Anson
> =>>
> =>
> =>--
> =>/=============================================\
> =>|  84 Wolfsburg Edition TurboDiesel Scirocco  |
> =>|    http://scirocco.cs.uoguelph.ca/gtd       |
> =>\=============================================/
> =>
> =>
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> 
> 
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