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RE: ur-q vacuum brake conversion



My mother used to drive '81 Nissan Bluebird diesel. It had vacuum pump
incorporated into the alternator. I was quite confused when I first
looked things up under the hood: "why the h*ll is a rubber hose going
from the _alternator_ to the _brake_servo_ ?!"

Aleksander Mierzwa
Warsaw, Poland
mailto:alex@matrix.com.pl
87 Audi 5000CS turbo (mine)
88 Renault Medallion wagon (mom's)
91 mountain bike (just in case both cars broke at the same time :-)

> -----Original Message-----
> From:	PAT MARTIN [SMTP:MARDKINS@classic.msn.com]
> Sent:	Saturday, November 22, 1997 8:22 AM
> To:	David G. Lawson
> Cc:	quattro
> Subject:	RE: ur-q  vacuum brake conversion
> 
> I tried to have a vaccum pump machined into the mc head but 3 machine
> shops 
> refused to, or could not do it.  As far as I know the shape of the NA
> head if 
> different in the combustion chamber.  Maybe that's not a big deal.  I
> know of 
> several people who just have a supplamental vaccum tank that supplies
> the 
> extra vaccum.  I am using this set up and I expect it to work fine.
> Maybe if 
> you are riding the brakes while on the gas for a couple of minutes it
> might 
> eventually lose the vaccum.  I also would guess that you could use an
> electric 
> vaccum pump with the tank for a really good setup.
> Pat Martin
> 864000csq  2 1/2 cat back, H&R-Boge,advanced and loving it.  Drilled
> and 
> stopping it.  Koenig Cobra 16x7 with AVS Intermediates, conversion in 
> progress, K&N.
> 95 subaru legacy 
> Bothell, Wa
> [...] 
>