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| Front brake pads [message #173595] |
Sat, 16 June 2012 21:40  |
Mitch
Messages: 272
Registered: May 2009
Location: Tacoma, Wa
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I'm almost finished with the exhaust installation, and looking everything up front over, the pads look fairly thin. I might get another five thousand miles, or I could change them and be done with it.
What's the recommended pads for a 26'er?
Mitch
Tacoma, Wa.
'80 Spitfire
'03 Windstar
'77 Jaguar XJ6-C
X(very)'76 PB 26 "The Beast"
Where it rains, always.
It's wet, No sun, Gray.
Go to Oregon.
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| Re: [GMCnet] Front brake pads [message #173598 is a reply to message #173595] |
Sat, 16 June 2012 21:56  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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G'day,
Double Trouble has carbon metallic pads on the front calipers, carbon
metallic pads on the middle calipers (Caddy disks) and carbon Metallic shoes
on the rear drums.
It stops on a dime - ask Dan Gregg!
Regards,
Rob M.
-----Original Message-----
From: Mitch
I'm almost finished with the exhaust installation, and looking everything up
front over, the pads look fairly thin. I might get another five thousand
miles, or I could change them and be done with it.
What's the recommended pads for a 26'er?
--
Mitch
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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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| Re: [GMCnet] Front brake pads [message #173599 is a reply to message #173598] |
Sat, 16 June 2012 22:05 |
Mitch
Messages: 272
Registered: May 2009
Location: Tacoma, Wa
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I was thinking a Kedge anchor tied to the drivers window and 50' of chain to the trailer hitch. 
| Robert Mueller wrote on Sat, 16 June 2012 19:56 |
G'day,
Double Trouble has carbon metallic pads on the front calipers, carbon
metallic pads on the middle calipers (Caddy disks) and carbon Metallic shoes
on the rear drums.
It stops on a dime - ask Dan Gregg!
Regards,
Rob M.
-----Original Message-----
From: Mitch
I'm almost finished with the exhaust installation, and looking everything up
front over, the pads look fairly thin. I might get another five thousand
miles, or I could change them and be done with it.
What's the recommended pads for a 26'er?
--
Mitch
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Mitch
Tacoma, Wa.
'80 Spitfire
'03 Windstar
'77 Jaguar XJ6-C
X(very)'76 PB 26 "The Beast"
Where it rains, always.
It's wet, No sun, Gray.
Go to Oregon.
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| Re: Front brake pads [message #173602 is a reply to message #173595] |
Sat, 16 June 2012 22:24 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Mitch,
Jim K sells (and promotes) the EBC "Yellow Sticky Pads":
http://www.appliedgmc.com/prod.itml/icOid/598
I have them on the front and mid wheel, as part of the six wheel disc brake/Chuck Aulgur Reaction Arm braking system. They work great. I had them on the front only, before converting to the reaction arm system, and they were an improvement on the old ones.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Front brake pads [message #173606 is a reply to message #173602] |
Sat, 16 June 2012 22:43 |
Mitch
Messages: 272
Registered: May 2009
Location: Tacoma, Wa
Karma: 0
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Let's see; so far this year: headers, new exhaust, Macerator (waiting for install).
How many of you guys declare Jim K a dependent on your taxes?
| Carl S. wrote on Sat, 16 June 2012 20:24 |
Mitch,
Jim K sells (and promotes) the EBC "Yellow Sticky Pads":
http://www.appliedgmc.com/prod.itml/icOid/598
I have them on the front and mid wheel, as part of the six wheel disc brake/Chuck Aulgur Reaction Arm braking system. They work great. I had them on the front only, before converting to the reaction arm system, and they were an improvement on the old ones.
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Mitch
Tacoma, Wa.
'80 Spitfire
'03 Windstar
'77 Jaguar XJ6-C
X(very)'76 PB 26 "The Beast"
Where it rains, always.
It's wet, No sun, Gray.
Go to Oregon.
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| Re: [GMCnet] Front brake pads [message #173623 is a reply to message #173595] |
Sun, 17 June 2012 06:18 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Years ago, when the EBC yellow pads first became available, I did some
fairly scientific testing, using a precise brake pedal force application
device and an automatic marker for measuring the stopping distance. We
compared the yellow pads to the Performance Friction carbon-metallic pads
I'd been using.
The results showed that the yellow pads were more effective when cold, by
as much as 10%, and about the same as the PF's when hot.
Later, after about 20,000 miles of use, I repeated the tests. At that
time, the yellow pads still "felt" better cold. But the stopping distances
were consistently a little greater than those with the PF carbon-metallic
pads. And the yellow pads were not only worn out but disintegrating
(possibly due to the severe use I made of them during the tests when they
were new).
Since the warranty was out on the EBC pads and the PF's not at the end of
their lifetime warranty, I returned to the PF's and continue to use them
exclusively.
JWID,
Ken H.
Americus, GA
'76 X-Birchaven w/Cad500/Howell EFI+ & EBL
www.gmcwipersetc.com
On Sat, Jun 16, 2012 at 10:40 PM, Mitch wrote:
>
>
> I'm almost finished with the exhaust installation, and looking everything
> up front over, the pads look fairly thin. I might get another five thousand
> miles, or I could change them and be done with it.
> What's the recommended pads for a 26'er?
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Front brake pads [message #173626 is a reply to message #173623] |
Sun, 17 June 2012 08:37 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Ken,
Whenever I start out after Double Trouble is "cold" or has been sitting for
an hour or more I will "ride" the brakes for a bit to warm up the pads. Once
I do that I find they stop the coach quite effectively.
Regards,
Rob M.
-----Original Message-----
From: Ken Henderson
Years ago, when the EBC yellow pads first became available, I did some
fairly scientific testing, using a precise brake pedal force application
device and an automatic marker for measuring the stopping distance. We
compared the yellow pads to the Performance Friction carbon-metallic pads
I'd been using.
The results showed that the yellow pads were more effective when cold, by
as much as 10%, and about the same as the PF's when hot.
Later, after about 20,000 miles of use, I repeated the tests. At that
time, the yellow pads still "felt" better cold. But the stopping distances
were consistently a little greater than those with the PF carbon-metallic
pads. And the yellow pads were not only worn out but disintegrating
(possibly due to the severe use I made of them during the tests when they
were new).
Since the warranty was out on the EBC pads and the PF's not at the end of
their lifetime warranty, I returned to the PF's and continue to use them
exclusively.
JWID,
Ken H.
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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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| Re: Front brake pads [message #173649 is a reply to message #173595] |
Sun, 17 June 2012 11:55 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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| Mitch wrote on Sat, 16 June 2012 19:40 |
... the pads look fairly thin. I might get another five thousand miles, or I could change them and be done with it. ...
|
I currently do not have a favorite brake pad for the GMC. BUT here are my thoughts on whether to change them or not:
The pads are fairly cheap. They are not that hard to change if nothing else is wrong... like a worn disk. (Brake Rotor)
While not that expensive compared to ones on other vehicles, the disks on a stock GMC are a pain to change. The hub has to be pulled from the knuckle... if you are doing that, you might as well do the bearings and stuff. You know how these things start to snowball....
SO...
If they are "fairly thin," replace them.
Inspect everything involved... you might still have to replace the disks... or calipers and/or hardware. But when everything is good, a single rotor should last through several sets of pads.
About pad selection:
I think selecting the brake pad that stops well without wearing out the disks would be a good thing... in the long run. Even if the pads do not last very long themselves.
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] Front brake pads [message #173662 is a reply to message #173649] |
Sun, 17 June 2012 16:05 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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In the modern world of automotive thinking, brake pads are considered a
consumable item, like toilet paper. Use it up and then replace it. The
original thinking was that rotors should be made of a longer lasting
material. Then the big "knee jerk reaction about asbestos in brake linings.
Oh My Gawd, we are all going to die if we don't quit using the stuff. So a
more or less frantic government induced search insued, and along came cast
iron rotors that wear almost as fast as the carbon fibre or ceramic or
metallic linings themselves. But the up side of it is that it keeps the
brake shops busy replacing the stuff. Volvo rotors are made out of very
soft iron material, because they once had a reputation for using very hard
material that squealed when the brakes were lightly applied. Heaven help us
if brakes make noise when we use them. Anyway, there is no ideal lining
material, only ones which are the least objectionable. Welcome to the 21st
century.<Grin>
Jim Hupy
Salem, OR
78 GMC Royale 403. I have yellow sticky pads on the front, and metallics on
the drums at the rear.
On Sun, Jun 17, 2012 at 9:55 AM, Mike Miller <m000035@gmail.com> wrote:
>
>
> Mitch wrote on Sat, 16 June 2012 19:40
> > ... the pads look fairly thin. I might get another five thousand miles,
> or I could change them and be done with it. ...
>
>
> I currently do not have a favorite brake pad for the GMC. BUT here are my
> thoughts on whether to change them or not:
>
> The pads are fairly cheap. They are not that hard to change if nothing
> else is wrong... like a worn disk. (Brake Rotor)
>
> While not that expensive compared to ones on other vehicles, the disks on
> a stock GMC are a pain to change. The hub has to be pulled from the
> knuckle... if you are doing that, you might as well do the bearings and
> stuff. You know how these things start to snowball....
>
> SO...
>
> If they are "fairly thin," replace them.
>
> Inspect everything involved... you might still have to replace the
> disks... or calipers and/or hardware. But when everything is good, a
> single rotor should last through several sets of pads.
>
> About pad selection:
>
> I think selecting the brake pad that stops well without wearing out the
> disks would be a good thing... in the long run. Even if the pads do not
> last very long themselves.
>
>
> --
> Mike Miller -- Hillsboro, OR -- on the Black list
> (#1)'73 26' exPainted D. -- (#2)`78 23' Birchaven Rear Bath -- (#3)`77 23'
> Birchaven Side Bath
> http://m000035.blogspot.com
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Front brake pads [message #173667 is a reply to message #173662] |
Sun, 17 June 2012 18:20 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Jim,
I disagree with you regarding the "knee jerk reaction." While Joe mechanic
and John Q. Public were not at great risk from lung damage due to asbestos
fibers for the folks that were working at the factories that made them I'll
bet it was a different story.
Regards,
Rob M.
-----Original Message-----
From: James Hupy
In the modern world of automotive thinking, brake pads are considered a
consumable item, like toilet paper. Use it up and then replace it. The
original thinking was that rotors should be made of a longer lasting
material. Then the big "knee jerk reaction about asbestos in brake linings.
Oh My Gawd, we are all going to die if we don't quit using the stuff. So a
more or less frantic government induced search insued, and along came cast
iron rotors that wear almost as fast as the carbon fibre or ceramic or
metallic linings themselves. But the up side of it is that it keeps the
brake shops busy replacing the stuff. Volvo rotors are made out of very
soft iron material, because they once had a reputation for using very hard
material that squealed when the brakes were lightly applied. Heaven help us
if brakes make noise when we use them. Anyway, there is no ideal lining
material, only ones which are the least objectionable. Welcome to the 21st
century.<Grin>
Jim Hupy
Salem, OR
78 GMC Royale 403. I have yellow sticky pads on the front, and metallics on
the drums at the rear.
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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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| Re: [GMCnet] Front brake pads [message #173668 is a reply to message #173667] |
Sun, 17 June 2012 18:47 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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With risk multiplied many times if those
workers were also cigarette smokers!
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ '76 ex-Palm Beach ~ ~ ~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
______________
*[ ]~~~[][ ][|\
*--OO--[]---O-*
> From: robmueller@iinet.net.au
> To: gmclist@temp.gmcnet.org
> Date: Mon, 18 Jun 2012 09:20:48 +1000
> Subject: Re: [GMCnet] Front brake pads
>
> Jim,
>
> I disagree with you regarding the "knee jerk reaction." While Joe mechanic
> and John Q. Public were not at great risk from lung damage due to asbestos
> fibers for the folks that were working at the factories that made them I'll
> bet it was a different story.
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: James Hupy
>
> In the modern world of automotive thinking, brake pads are considered a
> consumable item, like toilet paper. Use it up and then replace it. The
> original thinking was that rotors should be made of a longer lasting
> material. Then the big "knee jerk reaction about asbestos in brake linings.
> Oh My Gawd, we are all going to die if we don't quit using the stuff. So a
> more or less frantic government induced search insued, and along came cast
> iron rotors that wear almost as fast as the carbon fibre or ceramic or
> metallic linings themselves. But the up side of it is that it keeps the
> brake shops busy replacing the stuff. Volvo rotors are made out of very
> soft iron material, because they once had a reputation for using very hard
> material that squealed when the brakes were lightly applied. Heaven help us
> if brakes make noise when we use them. Anyway, there is no ideal lining
> material, only ones which are the least objectionable. Welcome to the 21st
> century.<Grin>
> Jim Hupy
> Salem, OR
> 78 GMC Royale 403. I have yellow sticky pads on the front, and metallics on
> the drums at the rear.
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| Re: [GMCnet] Front brake pads [message #173677 is a reply to message #173662] |
Sun, 17 June 2012 19:38 |
|
mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| James Hupy wrote on Sun, 17 June 2012 14:05 |
... along came cast
iron rotors that wear almost as fast as the carbon fibre or ceramic or
metallic linings themselves. But the up side of it is that it keeps the
brake shops busy replacing the stuff. ...
|
On my cars, I am not THAT worried about how fast the rotor wears out... as long as it doesn't warp. I normally do NOT turn the rotors, mostly due to using slotted and drilled rotors. Also, for some applications, cheap rotors do not cost much more than getting the old ones turned... then the rotors are thinner and warp easier.
I just replace the rotors with new after they go through a couple of sets of pads. The old rotors make good jack and jack stand bases or footings. (I work on gravel a lot.)
BUT... most car brake rotors are easy to change, NOT SO on the stock GMC! For that application I want the toughest, strongest, hardest brake disks I can find!
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] Front brake pads [message #173681 is a reply to message #173677] |
Sun, 17 June 2012 19:53 |
mickeysss
Messages: 1476
Registered: January 2012
Karma: 0
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Senior Member |
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where is the info on changing rotors on 77 palm beach please?
does any one make a detachable rotor for the axle assembly?
i guess you have to change bearings every time you change rotors is this correct?
I leave them on as well till the pads touch almost. warped take them off if no wobble keep going,
that is the way i do it as well. turning them does it with the pads any way if they are equal pressure.
if it is change the whole thing if change any part might as well get 16 inch wheels and tires as well.
I have to do this in the next year or so.
00
. .
o
~
mouse.
On Jun 17, 2012, at 5:38 PM, Mike Miller wrote:
>
>
> James Hupy wrote on Sun, 17 June 2012 14:05
>> ... along came cast
>> iron rotors that wear almost as fast as the carbon fibre or ceramic or
>> metallic linings themselves. But the up side of it is that it keeps the
>> brake shops busy replacing the stuff. ...
>
>
> On my cars, I am not THAT worried about how fast the rotor wears out... as long as it doesn't warp. I normally do NOT turn the rotors, mostly due to using slotted and drilled rotors. Also, for some applications, cheap rotors do not cost much more than getting the old ones turned... then the rotors are thinner and warp easier.
>
> I just replace the rotors with new after they go through a couple of sets of pads. The old rotors make good jack and jack stand bases or footings. (I work on gravel a lot.)
>
> BUT... most car brake rotors are easy to change, NOT SO on the stock GMC! For that application I want the toughest, strongest, hardest brake disks I can find!
>
>
> --
> Mike Miller -- Hillsboro, OR -- on the Black list
> (#1)'73 26' exPainted D. -- (#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
> http://m000035.blogspot.com
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Front brake pads [message #173684 is a reply to message #173677] |
Sun, 17 June 2012 20:37 |
|
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Mike,
Not turning rotors is a good policy for a GMC besides if you check MM X-7525
Pg 5-46 SPECIFICATIONS you'll find:
Disc Thickness
Original ... 1.20 in.
Minimum...1.17 in.
That gives you a whopping 0.030 you can remove to repair damage!
The OEM GMC discs (with four mounting holes) from Cinnabar (only source
AFAIK) were $96.60 in March of 2008.
I have been advised by someone I trust implicitly that these are made in the
USA.
Regards,
Rob M.
-----Original Message-----
From: Mike Miller
On my cars, I am not THAT worried about how fast the rotor wears out... as
long as it doesn't warp. I normally do NOT turn the rotors, mostly due to
using slotted and drilled rotors. Also, for some applications, cheap rotors
do not cost much more than getting the old ones turned... then the rotors
are thinner and warp easier.
I just replace the rotors with new after they go through a couple of sets of
pads. The old rotors make good jack and jack stand bases or footings. (I
work on gravel a lot.)
BUT... most car brake rotors are easy to change, NOT SO on the stock GMC!
For that application I want the toughest, strongest, hardest brake disks I
can find!
Mike
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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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