| Re: [GMCnet] Rear Disk Brakes [message #64172] |
Fri, 13 November 2009 16:40 |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma:
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Senior Member |
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Is the bracket to mount this still available? I have Marvin Peck gears on my coach, but I understood that he's no longer active here .
Larry Davick
The Mystery Machine
----- Original Message -----
From: "Mr.erf ERFisher" <mr.erfisher@gmail.com>
To: gmclist@temp.gmcnet.org
Sent: Friday, November 13, 2009 1:02:43 PM GMT -08:00 US/Canada Pacific
Subject: Re: [GMCnet] Rear Disk Brakes
here are 365 pages to read
http://gmcmotorhome.info/powermaster.html
larry was supposed to up date this, but--------
too much theater I think ;>)
gene
On Fri, Nov 13, 2009 at 12:49 PM, Larry Davick <ljdavick@comcast.net> wrote:
> Larry,
>
> Was the Power Master a simple bolt-on + wiring?
>
> I have those beautiful stainless brake lines from Tom Hampton, as well as
> larger front rotors, but my brakes are sometimes a two footed affair. I
> simply don't have the budget to go with what I want - Chuck's reaction arm
> set up. I saw the mock-up at Jim K's place and after scratching my head all
> afternoon I finally "got it!" Now I wish I had it...
>
> I just know that I should search Gene's site, as there is probably a
> detailed discussion as to what to do, but I'm eating lunch at work, and I'm
> lazy!
>
> Thanks,
>
> Larry Davick
> The Mystery Machine
>
> ----- Original Message -----
> From: "Larry" <weidnerl@wwt.net>
> To: gmclist@temp.gmcnet.org
> Sent: Friday, November 13, 2009 12:09:48 PM GMT -08:00 US/Canada Pacific
> Subject: Re: [GMCnet] Rear Disk Brakes
>
>
>
> Ron wrote on Fri, 13 November 2009 11:34
> > Hi All..
> > Lots of really good info...
> > I should have mentioned what I have already done...
> > 80 mm Front Calipers
> > Sensitized Brake booster (Twice it was changed due to poor brakes)
> > New Master Cyl. (3 times due to replacements leaking)
> > All New Brake flex hoses all wheels
> > New Combo Valve
> > Auxiliary vacuum pump (really needed here at high altitude)
> > All new rear wheel cyls.. In 2 different sizes as recommend)
> > All new shoes.
> > So I think I have been down the proper upgrade path but still brakes
> suck! I almost wrecked the coach on I25 on the way to the Pueblo rally.
> > I wanted to do the rear disks as I tow a vehicle with a brake buddy (My
> brakes are much better then) And I deal with steep mountain passes all the
> time..
> > The rear disks should dissipate heat much better from the downhill side
> of the passes..
> > A Power Master electrical system was mentioned.. Where is that
> available.. Any place I have looked they are NLA. This is something I have
> also looked at..
> > Again.. I am not trying to reinvent the wheel (or the brakes in my case)
> But none of the normal stuff has helped..
> > Oh and yes I have pressure bled, Gravity bled and adjusted them a hundred
> times.. But the brakes still suck! I have even tried a set of Jim's "Yellow"
> pads.. I wore them in about 6000 miles.. I think that the fronts are really
> overworked..
> > That is where I am at and really could use the advice.. :cry:
> > Ron
>
>
> Ron,
> When I brought my GMC home from Houston (to Wisconsin) I found my brakes
> exactly as you describe, I also coasted through a stop light with both feet
> on the brakes. So the first thing I went for when I got it home was brake
> upgrade. I did exactly as you described above with a modest improvement in
> braking, but not what I felt was up to my personal comfort level. On the
> advice of several on the net, I pulled off the new MC and sensitized
> booster. I then bought and installed a Power Master system, leaving the rest
> of the brakes (80mm calipers with performance friction pads, 15/16" rear and
> 1 1/16" WC's new hoses and carbon metallic shoes) alone. Now....on my
> coach...the PM made all the difference!! It now stops like a Modern PU truck
> with only a light touch on the brake pedal.
>
> Here is a list of the Autos that this was available on:
>
> MODELS AFFECTED:
> 1985 REGAL 3.8L TURBO (ENGINE VIN CODE 9) AND RPO LM9 BRAKES
> 1986-87 REGAL 3.8L TURBO (ENGINE VIN CODE 7)
> 1986 LESABRE AND ELECTR ESTATE WAGON
> 1986 CHEVROLET CAPRICE STATION WAGON
> 1986 PONTIAC PARISIENNE WAGON
> 1986 OLDSMOBILE CUSTOM CRUISER STATION WAGON
>
> Part # for Buick Regal Turbo is 52-9702. Part # for the others is 52-9700.
>
> The 9702 and 9700 are functionaly the same, but for some reason the 9700 is
> considerably cheaper.
>
> You can find this at Autozone. Just pick one of the Station wagons above,
> create it as one of your vehicles at the AZ web site and search for it under
> brake parts, or search using the part #.
>
> FWIW, this is where I found it:
> http://tinyurl.com/yhds7se
>
> At $440.00 it's not cheap, but was a fairly easy install. While this
> solution has worked well for me, there are some that would not do this. I
> would encourage those that see the disadvantages to using the PM, to post
> their reasons. I am *not* offended by this. Those interested in doing this
> need to know *everything* about what they are getting themselves into.
>
> So...JWID
> --
> Larry :)
> 78 Royale w/500 Caddy
> Menomonie, WI.
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--
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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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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