Home » Public Forums » GMCnet » Powermaster MC
| Powermaster MC [message #115600] |
Fri, 18 February 2011 20:01  |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
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Does anyone know the bore size for the Powermaster MC?
Larry 
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: Powermaster MC [message #115701 is a reply to message #115600] |
Sat, 19 February 2011 13:40  |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
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It's funny because among the Turbo Buick community, there is a large quarum (myself not included) that believes removing the 'troublesome' Powermaster is the way to go. Here in the GMC world people want to add them. If you change the brake fluid yearly I have found them to be quite trouble free. However very few people spend the $5 to to that and ruin them with contaminatied fluid.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Powermaster MC [message #115718 is a reply to message #115635] |
Sat, 19 February 2011 15:02 |
Steven Ferguson
Messages: 3447
Registered: May 2006
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Larry,
If you're still at my house, there are two in a plastic tub above the
cabinets on the S. side of the shop, about in the middle or just aft of that
towards the rear of the shop.
On Fri, Feb 18, 2011 at 10:14 PM, Larry <weidnerl@wwt.net> wrote:
>
>
> C Boyd wrote on Fri, 18 February 2011 20:12
> > Larry wrote on Fri, 18 February 2011 21:01
> > > Does anyone know the bore size for the Powermaster MC?
> >
> >
> >
> >
> >
> >
> > No Sir: but I did find this laying around.
> > http://www.gnttype.org/techarea/brakes/usrecall.html
>
> Thanks but I still need to know the bores size....anyone?
> --
> Larry :)
> 78 Royale w/500 Caddy
> Menomonie, WI.
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--
Steve Ferguson
Sierra Vista, AZ
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| Re: [GMCnet] Powermaster MC [message #115733 is a reply to message #115731] |
Sat, 19 February 2011 17:04 |
Chuck Garton
Messages: 54
Registered: June 2006
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I'm using a Power Master with rear discs (80mm mid and 50mm rear with
parking brake lever).
To get enough volume, I had to reverse the brake lines at the master cylinder.
My local Carquest had the fittings in stock for reversing the lines.
I'm using yellow stuff pads; at first, the braking was quick, but as
they age (18 months), they need to heat before stopping. I'm planning
to go back to carbon metallics.
Chuck Garton
77 Kingsley 455
Ridgecrest, CA
On Sat, Feb 19, 2011 at 2:38 PM, Ken Henderson <hend4800@bellsouth.net> wrote:
> Larry,
>
> While trying to find the bore diameter, I ran across a note from Al
> Hamilton, some years back, stating that he had to remove his beloved
> PowerMaster because of adding rear discs -- not enough volume.
>
> Ken H.
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| Re: [GMCnet] Powermaster MC [message #115742 is a reply to message #115731] |
Sat, 19 February 2011 18:29 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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| Ken Henderson wrote on Sat, 19 February 2011 16:38 |
Larry,
While trying to find the bore diameter, I ran across a note from Al
Hamilton, some years back, stating that he had to remove his beloved
PowerMaster because of adding rear discs -- not enough volume.
Ken H.
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Well, there's Al Hamilton and Chuck Garton....Now what??
"To get enough volume, I had to reverse the brake lines at the master cylinder."
Maybe it will work. Thanks for your research into this.
Larry
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: [GMCnet] Powermaster MC [message #115745 is a reply to message #115733] |
Sat, 19 February 2011 18:36 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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Senior Member |
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| Chuck Garton wrote on Sat, 19 February 2011 17:04 |
I'm using a Power Master with rear discs (80mm mid and 50mm rear with
parking brake lever).
To get enough volume, I had to reverse the brake lines at the master cylinder.
My local Carquest had the fittings in stock for reversing the lines.
I'm using yellow stuff pads; at first, the braking was quick, but as
they age (18 months), they need to heat before stopping. I'm planning
to go back to carbon metallics.
Chuck Garton
77 Kingsley 455
Ridgecrest, CA
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Thanks Chuck,
Do you have the 80's on the front also?
Larry
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: Powermaster MC [message #115746 is a reply to message #115600] |
Sat, 19 February 2011 18:44 |
g.winger
Messages: 792
Registered: February 2008
Location: Warrenton,Missouri
Karma: 0
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Larry,,,hope you're doing well. Was wondering how bad the damage was??? Thought of you the other day when I was removing the HVAC box. Of course the Wiper resevour has to come out first and it was frozen!!! Now this was inside the MH garage with good insulation but no heat. Looks like do damage,cracks after it thawed by the wood furnace. Well,,,thinking of you,,,GL,,,,,PL
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| Re: Powermaster MC [message #115747 is a reply to message #115746] |
Sat, 19 February 2011 18:50 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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Senior Member |
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| g.winger wrote on Sat, 19 February 2011 18:44 |
Larry,,,hope you're doing well. Was wondering how bad the damage was??? Thought of you the other day when I was removing the HVAC box. Of course the Wiper resevour has to come out first and it was frozen!!! Now this was inside the MH garage with good insulation but no heat. Looks like do damage,cracks after it thawed by the wood furnace. Well,,,thinking of you,,,GL,,,,,PL
|
Thanks Paul for your thoughts.
Broke my water heater wide open, cracked water pump (house), and hot and cold elbows at the shower. Took 4 days to fix. Thanks to good friends and just plain good people like Steve and Nancy F, the process was easier than trying to do it in some RV park in Podunkville.
Larry
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: [GMCnet] Powermaster MC [message #115778 is a reply to message #115745] |
Sun, 20 February 2011 02:05 |
Chuck Garton
Messages: 54
Registered: June 2006
Karma: 0
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No, I have 70mm in front
Chuck Garton
On Sat, Feb 19, 2011 at 4:36 PM, Larry <weidnerl@wwt.net> wrote:
>
>
> Chuck Garton wrote on Sat, 19 February 2011 17:04
>> I'm using a Power Master with rear discs (80mm mid and 50mm rear with
>> parking brake lever).
>>
>> To get enough volume, I had to reverse the brake lines at the master cylinder.
>>
>> My local Carquest had the fittings in stock for reversing the lines.
>>
>> I'm using yellow stuff pads; at first, the braking was quick, but as
>> they age (18 months), they need to heat before stopping. I'm planning
>> to go back to carbon metallics.
>>
>> Chuck Garton
>> 77 Kingsley 455
>> Ridgecrest, CA
>
> Thanks Chuck,
> Do you have the 80's on the front also?
> --
> Larry :)
> 78 Royale w/500 Caddy
> Menomonie, WI.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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