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Brake booster upgrade [message #218526]

Thu, 15 August 2013 23:13

jturbo

Messages: 76
Registered: August 2013
Location: Socal

Karma: 1

Member

Does anyone know anything about this and does it work make it better etc.

A1 Cardone 529700 Hydraulic Booster (Remanufactured) at
www.partsamerica.com
about $200

http://www.gmcmhphotos.com/photos/data/3257/257_p2561.jpg

1978 Royal 403 1977 Birchaven 455 1977 Kingsley 455 All under Upgrading and restoration Rosemead California

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Re: [GMCnet] Brake booster upgrade [message #218540 is a reply to message #218526]

Fri, 16 August 2013 04:15

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

looks a lot like a Power Master unit
http://gmcmotorhome.info/powermaster.html

used to be a lot of these in use,
now some of the info links are broker (let me know the fixes :>)

there used to be a lot of public domain articles on these , but now private

not sure if this is the same unit, -- experts will tell you--

gene

On Thu, Aug 15, 2013 at 9:13 PM, john <tg16jturbo@mac.com> wrote:

>
>
> Does anyone know anything about this and does it work make it better etc.
>
>
>
>
>
> A1 Cardone 529700 Hydraulic Booster (Remanufactured) at
> www.partsamerica.com
> about $200
>
>
> http://www.gmcmhphotos.com/photos/data/3257/257_p2561.jpg
> --
> 1978 Royal 403
> 1977 Birchaven 455
> 1977 Kingsley 455
>
> All under Upgrading and restoration
>
> Rosemead California
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

--
Gene Fisher -- 74-23,77PB/ore/ca
�Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: Brake booster upgrade [message #218547 is a reply to message #218526]

Fri, 16 August 2013 07:01

Joe Weir

Messages: 769
Registered: February 2013
Location: Columbia, SC

Karma: 7

Senior Member

Don't know about that one, but I got the one from GMC Coop for about the same price, and now my otherwise stock brakes will put you through the windshield if you are not belted in.

76 Birchaven - "Wicked Mistress" - New engine, trans, alum radiator, brakes, Sully airbags, fuel lines, seats, adult beverage center... those Coachmen guys were really thinking about us second hand owners by including that beverage center... Columbia, SC.

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Re: [GMCnet] Brake booster upgrade [message #218554 is a reply to message #218547]

Fri, 16 August 2013 08:02

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Joe,

I would be surprised if you got a unit that looked like that from JimB. AFAIK he sells a sensitized vacuum booster that "feels" like
it will put you through the windshield, however, it does not increase the pressure in the hydraulic side of the brake system. The
fact that it takes MUCH less foot pressure makes you "feel" like it will put you through the windshield.

That's exactly how I described the improvement in braking after I installed one.

BTW those of you that decide to order a sensitized booster from either of the Jim's tell them that you want two (2) check valves in
it. That way you can run one line to a remote vacuum pump and/or tank and the second directly to the intake manifold.

Regards,
Rob M.

-----Original Message-----
From: Joe Weir

Don't know about that one, but I got the one from GMC Coop for about the same price, and now my otherwise stock brakes will put you
through the windshield if you are not belted in.

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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