[DeTomaso] Brake vacuum source

Sean Korb spkorb at gmail.com
Thu Jul 2 14:31:18 EDT 2015 

The EV crowd has this problem as well.  Here is a solution that suggests it
is quieter:
http://www.evsource.com/tls_braking_system.php

Maybe you can pull a pump off a Nissan Leaf, Fiat EV, Chevy Volt or another
vehicle of that ilk.  They're as libel to show up in junk yards as any
limited production vehicle.

sean

On Thu, Jul 2, 2015 at 12:51 PM, Mike Drew via DeTomaso <detomaso at poca.com>
wrote:

>    In a message dated 7/2/15 5 23 23, npdrs at maui.net writes:
>
>      Hello, I am just having new engine installed into my '71 and will no
>      longer
>      have a reliable source of vacuum available for the brake booster.
>      Could someone please recommend a proven electric vacuum pump setup
>      and where
>      to buy it?
>      It would be great if possible to find a source in Germany (or
>      Europe) as the
>      car is in Germany.
>
>    >>>Robert--I assume the problem is that your new engine is fitted with
>    a 'race' intake manifold that has no provisions for vacuum take-off?
>    That's the problem with such things.
>    One solution is to have a bung welded to one of the intake runners.
>    When I faced the same problem with my GT350, I took a different path.
>    I fitted a Boss 302 carb spacer, which has provisions for brake vacuum,
>    yet is very thin to provide hood clearance.
>    I got mine here:
>    http://www2.cougarpartscatalog.com/bossspace.html
>    You could always just get a typical one-inch spacer, but that adds
>    height that you don't want.  This spacer is very, very thin; the round
>    pipe goes oval as it enters the side of the spacer, reducing height,
>    yet the total area remains unchanged.
>    http://image1.cougparts.com/dc/16203/1430333053_l.jpg
>    http://image1.cougparts.com/dc/16203/1430333006_p.jpg
>    http://image1.cougparts.com/dc/16203/1430333005_g.jpg
>    (Those are photos of a used original, not the new repro, which is built
>    to the same standard but obviously looks new).
>    Note that it is somewhat fragile; if you manhandle the hose onto and
>    off of the pipe, you'll break it.  Install the hose onto the pipe
>    holding the pipe in your hand, then lay the spacer in position, and
>    manhandle the other end of the hose onto the pipe under the car.
>    Easy peasy!
>    In answer to your actual question, I have seen a number of Pantera
>    owners attempt to incorporate electric vacuum pumps, and every one of
>    them was just miserable.  Those are another 'race only' part, and are
>    deafeningly loud and create a ton of vibration.  I find them completely
>    intolorable for a street car, plus they take up a lot of precious front
>    trunk space.  And they are more expensive than the simple spacer shown
>    above.
>    Mike
>
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-- 
Sean Korb spkorb at spkorb.org http://www.spkorb.org
'65,'68 Mustangs,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382
"The more you drive, the less intelligent you get" --Miller
"Computers are useless.  They can only give you answers." -P. Picasso
-------------- next part --------------
   The EV crowd has this problem as well.A  Here is a solution that
   suggests it is quieter:
   [1]http://www.evsource.com/tls_braking_system.php
   Maybe you can pull a pump off a Nissan Leaf, Fiat EV, Chevy Volt or
   another vehicle of that ilk.A  They're as libel to show up in junk
   yards as any limited production vehicle.
   sean

   On Thu, Jul 2, 2015 at 12:51 PM, Mike Drew via DeTomaso
   <[2]detomaso at poca.com> wrote:

     A  A In a message dated 7/2/15 5 23 23, [3]npdrs at maui.net writes:
     A  A  A Hello, I am just having new engine installed into my '71 and
     will no
     A  A  A longer
     A  A  A have a reliable source of vacuum available for the brake
     booster.
     A  A  A Could someone please recommend a proven electric vacuum pump
     setup
     A  A  A and where
     A  A  A to buy it?
     A  A  A It would be great if possible to find a source in Germany
     (or
     A  A  A Europe) as the
     A  A  A car is in Germany.
     A  A >>>Robert--I assume the problem is that your new engine is
     fitted with
     A  A a 'race' intake manifold that has no provisions for vacuum
     take-off?
     A  A That's the problem with such things.
     A  A One solution is to have a bung welded to one of the intake
     runners.
     A  A When I faced the same problem with my GT350, I took a different
     path.
     A  A I fitted a Boss 302 carb spacer, which has provisions for brake
     vacuum,
     A  A yet is very thin to provide hood clearance.
     A  A I got mine here:
     A  A [4]http://www2.cougarpartscatalog.com/bossspace.html
     A  A You could always just get a typical one-inch spacer, but that
     adds
     A  A height that you don't want.A  This spacer is very, very thin;
     the round
     A  A pipe goes oval as it enters the side of the spacer, reducing
     height,
     A  A yet the total area remains unchanged.
     A  A [5]http://image1.cougparts.com/dc/16203/1430333053_l.jpg
     A  A [6]http://image1.cougparts.com/dc/16203/1430333006_p.jpg
     A  A [7]http://image1.cougparts.com/dc/16203/1430333005_g.jpg
     A  A (Those are photos of a used original, not the new repro, which
     is built
     A  A to the same standard but obviously looks new).
     A  A Note that it is somewhat fragile; if you manhandle the hose
     onto and
     A  A off of the pipe, you'll break it.A  Install the hose onto the
     pipe
     A  A holding the pipe in your hand, then lay the spacer in position,
     and
     A  A manhandle the other end of the hose onto the pipe under the
     car.
     A  A Easy peasy!
     A  A In answer to your actual question, I have seen a number of
     Pantera
     A  A owners attempt to incorporate electric vacuum pumps, and every
     one of
     A  A them was just miserable.A  Those are another 'race only' part,
     and are
     A  A deafeningly loud and create a ton of vibration.A  I find them
     completely
     A  A intolorable for a street car, plus they take up a lot of
     precious front
     A  A trunk space.A  And they are more expensive than the simple
     spacer shown
     A  A above.
     A  A Mike
     _______________________________________________
     Detomaso Forum Managed by POCA
     Posted emails must not exceed 1.5 Megabytes
     DeTomaso mailing list
     [8]DeTomaso at poca.com
     [9]http://poca.com/mailman/listinfo/detomaso_poca.com
     To manage your subscription (change email address, unsubscribe,
     etc.) use the links above.

   --
   Sean Korb [10]spkorb at spkorb.org [11]http://www.spkorb.org
   '65,'68 Mustangs,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera
   #1382
   "The more you drive, the less intelligent you get" --Miller
   "Computers are useless.A  They can only give you answers." -P. Picasso

References

   1. http://www.evsource.com/tls_braking_system.php
   2. mailto:detomaso at poca.com
   3. mailto:npdrs at maui.net
   4. http://www2.cougarpartscatalog.com/bossspace.html
   5. http://image1.cougparts.com/dc/16203/1430333053_l.jpg
   6. http://image1.cougparts.com/dc/16203/1430333006_p.jpg
   7. http://image1.cougparts.com/dc/16203/1430333005_g.jpg
   8. mailto:DeTomaso at poca.com
   9. http://poca.com/mailman/listinfo/detomaso_poca.com
  10. mailto:spkorb at spkorb.org
  11. http://www.spkorb.org/

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