[DeTomaso] Replaced rear brake pads, was Re: Porterfield rear brake pads
Dave Londry
davel at emspace.com
Sat Dec 5 17:20:58 EST 2015
My Porterfield rears were free sliding.
dave
On 12/05/15 1:18 PM, Guido deTomaso wrote:
> Too good for the room.
> Anyway, was wondering if Garth could recall if his inboard pads were a
> free fit or a hammer fit, he hasn't piped up however.
> GD
> __________________________________________________________________
>
> From: Asa Jay Laughton <asajay at asajay.com>
> To: detomaso at poca.com
> Sent: Tuesday, December 1, 2015 8:59 PM
> Subject: Re: [DeTomaso] Replaced rear brake pads, was Re: Porterfield
> rear brake pads
> I'm guessing they re-lined them like that in order to allow you to
> trim-to-fit.
> Asa Jay
> Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
> & Shelley Marie
> Spokane, WA
> ******************************
> [1]http://www.racingagainstautism.com/
> [2]http://www.teampanteraracing.com/
> [3]http://facebook.com/racingagainstautism
> On 12/1/2015 5:08 PM, Guido deTomaso wrote:
> > That's kinda interesting.
> > What I discovered today was, the friction material on my re-lined
> > Porterfield pads was too long. Not too thick in the wear
> direction,
> > but too long in the disc circumference direction. So on the
> inboard
> > pad, they got wedged in to the caliper body very tight. Took
> hammer
> > blows to install, I had to admit to myself those pads would likely
> > stick.
> > So took them out, very difficult since they were wedged in so
> tight,
> > sanded the ends down, avoiding sanding the metal backing plates,
> tried
> > to only sand the friction material. Once sanded, they dropped in
> > easily.
> > The stock pads, the friction material is slightly shorter than the
> > metal backing plate ... something to be learned there.
> > GD
> >
> __________________________________________________________________
> >
> > From: Garth Rodericks<[4]garth_rodericks at yahoo.com>
> > To:
> "[5]guido_detomaso at prodigy.net"<[6]guido_detomaso at prodigy.net>;
> DeTomaso
> > Mail List<[7]detomaso at poca.com>
> > Sent: Monday, November 30, 2015 11:02 AM
> > Subject: Replaced rear brake pads, was Re: Porterfield rear brake
> pads
> > The problem I had after installing my new Porterfield pads years
> ago
> > was the caliper pistons on the rear right wheel got stuck in their
> > bores because of all the gunk/varnish that built up in there there
> over
> > the years - it had been a long time since the pistons were pushed
> that
> > far back into their bores. Calipers released after a few good
> whacks
> > with the handle of a screwdriver as well as letting things cool
> down -
> > don't know which really solved the problem, but they haven't stuck
> > since.
> > --- Original Message ---
> > Well, yesterday I replaced the rear pads on one side, ran out of
> daylight before
> > I could do the other side.
> > Wasn't too difficult, had never tampered with that aspect of the car
> before, I s
> > uspect no one else had either.
> > Didn't realize / had forgotten that a piston pokes out both sides of
> the caliper
> > cylinder ... wasn't too difficult to turn the slotted piston 45
> deg., but wasn'
> > t easy either. Wound up cutting the blade off a Craftsman
> square-shank screwdri
> > ver to make a "special tool". Piston retracted easily once turned 45
> and with t
> > he bleeder open.
> > The metal frame however, that pushes the outboard pad into the disc,
> was difficu
> > lt to slide outboard to accommodate the new, much thicker pad. Took
> infinity of
> > dead-blow hammer strikes.
> > Old pads pretty thin at 75K miles, I suppose the p-valve is working
> or did work
> > at one time.
> > Wondering now how often the seals fail after a pad change, from all
> the turning
> > and sliding of the piston. Are rebuild seals and parts still
> available?
> > Thanks,
> > GD
> >
> >
> >
> > _______________________________________________
> >
> > 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.
> >
> >
> > -----
> > No virus found in this message.
> > Checked by AVG - www.avg.com
> > Version: 2016.0.7227 / Virus Database: 4477/11099 - Release Date:
> 12/01/15
> _______________________________________________
> Detomaso Forum Managed by POCA
> Posted emails must not exceed 1.5 Megabytes
> DeTomaso mailing list
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> [11]http://poca.com/mailman/listinfo/detomaso_poca.com
> To manage your subscription (change email address, unsubscribe, etc.)
> use the links above.
>
> References
>
> 1. http://www.racingagainstautism.com/
> 2. http://www.teampanteraracing.com/
> 3. http://facebook.com/racingagainstautism
> 4. mailto:garth_rodericks at yahoo.com
> 5. mailto:guido_detomaso at prodigy.net
> 6. mailto:guido_detomaso at prodigy.net
> 7. mailto:detomaso at poca.com
> 8. mailto:DeTomaso at poca.com
> 9. http://poca.com/mailman/listinfo/detomaso_poca.com
> 10. mailto:DeTomaso at poca.com
> 11. http://poca.com/mailman/listinfo/detomaso_poca.com
>
>
>
> _______________________________________________
>
> Detomaso Forum Managed by POCA
> Posted emails must not exceed 1.5 Megabytes
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> http://poca.com/mailman/listinfo/detomaso_poca.com
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> To manage your subscription (change email address, unsubscribe, etc.) use the links above.
--
Dave Londry
Embedded Spaces Inc. (ESI)
davel at emspace.com
904 429 1937 (SkypeCall FLA)
Skype:embeddedspaces
Canada Numbers
604 721 2278 (cell)
604 589 9182 (shop line)
604 589 9183 (home line)
-------------- next part --------------
My Porterfield rears were free sliding.
dave
On 12/05/15 1:18 PM, Guido deTomaso wrote:
Too good for the room.
Anyway, was wondering if Garth could recall if his inboard pads were a
free fit or a hammer fit, he hasn't piped up however.
GD
__________________________________________________________________
From: Asa Jay Laughton [1]<asajay at asajay.com>
To: [2]detomaso at poca.com
Sent: Tuesday, December 1, 2015 8:59 PM
Subject: Re: [DeTomaso] Replaced rear brake pads, was Re: Porterfield
rear brake pads
I'm guessing they re-lined them like that in order to allow you to
trim-to-fit.
Asa Jay
Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
& Shelley Marie
Spokane, WA
******************************
[1][3]http://www.racingagainstautism.com/
[2][4]http://www.teampanteraracing.com/
[3][5]http://facebook.com/racingagainstautism
On 12/1/2015 5:08 PM, Guido deTomaso wrote:
> That's kinda interesting.
> What I discovered today was, the friction material on my re-lined
> Porterfield pads was too long. Not too thick in the wear
direction,
> but too long in the disc circumference direction. So on the
inboard
> pad, they got wedged in to the caliper body very tight. Took
hammer
> blows to install, I had to admit to myself those pads would likely
> stick.
> So took them out, very difficult since they were wedged in so
tight,
> sanded the ends down, avoiding sanding the metal backing plates,
tried
> to only sand the friction material. Once sanded, they dropped in
> easily.
> The stock pads, the friction material is slightly shorter than the
> metal backing plate ... something to be learned there.
> GD
>
__________________________________________________________________
>
> From: Garth Rodericks[6]<[4]garth_rodericks at yahoo.com>
> To:
[7]"[5]guido_detomaso at prodigy.net"[8]<[6]guido_detomaso at prodigy.net>;
DeTomaso
> Mail List[9]<[7]detomaso at poca.com>
> Sent: Monday, November 30, 2015 11:02 AM
> Subject: Replaced rear brake pads, was Re: Porterfield rear brake
pads
> The problem I had after installing my new Porterfield pads years
ago
> was the caliper pistons on the rear right wheel got stuck in their
> bores because of all the gunk/varnish that built up in there there
over
> the years - it had been a long time since the pistons were pushed
that
> far back into their bores. Calipers released after a few good
whacks
> with the handle of a screwdriver as well as letting things cool
down -
> don't know which really solved the problem, but they haven't stuck
> since.
> --- Original Message ---
> Well, yesterday I replaced the rear pads on one side, ran out of
daylight before
> I could do the other side.
> Wasn't too difficult, had never tampered with that aspect of the car
before, I s
> uspect no one else had either.
> Didn't realize / had forgotten that a piston pokes out both sides of
the caliper
> cylinder ... wasn't too difficult to turn the slotted piston 45
deg., but wasn'
> t easy either. Wound up cutting the blade off a Craftsman
square-shank screwdri
> ver to make a "special tool". Piston retracted easily once turned 45
and with t
> he bleeder open.
> The metal frame however, that pushes the outboard pad into the disc,
was difficu
> lt to slide outboard to accommodate the new, much thicker pad. Took
infinity of
> dead-blow hammer strikes.
> Old pads pretty thin at 75K miles, I suppose the p-valve is working
or did work
> at one time.
> Wondering now how often the seals fail after a pad change, from all
the turning
> and sliding of the piston. Are rebuild seals and parts still
available?
> Thanks,
> GD
>
>
>
> _______________________________________________
>
> Detomaso Forum Managed by POCA
> Posted emails must not exceed 1.5 Megabytes
> DeTomaso mailing list
> [[10]8]DeTomaso at poca.com
> [9][11]http://poca.com/mailman/listinfo/detomaso_poca.com
>
> To manage your subscription (change email address, unsubscribe, etc.)
use the links above.
>
>
> -----
> No virus found in this message.
> Checked by AVG - [12]www.avg.com
> Version: 2016.0.7227 / Virus Database: 4477/11099 - Release Date:
12/01/15
_______________________________________________
Detomaso Forum Managed by POCA
Posted emails must not exceed 1.5 Megabytes
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To manage your subscription (change email address, unsubscribe, etc.)
use the links above.
References
1. [15]http://www.racingagainstautism.com/
2. [16]http://www.teampanteraracing.com/
3. [17]http://facebook.com/racingagainstautism
4. [18]mailto:garth_rodericks at yahoo.com
5. [19]mailto:guido_detomaso at prodigy.net
6. [20]mailto:guido_detomaso at prodigy.net
7. [21]mailto:detomaso at poca.com
8. [22]mailto:DeTomaso at poca.com
9. [23]http://poca.com/mailman/listinfo/detomaso_poca.com
10. [24]mailto:DeTomaso at poca.com
11. [25]http://poca.com/mailman/listinfo/detomaso_poca.com
_______________________________________________
Detomaso Forum Managed by POCA
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DeTomaso mailing list
[26]DeTomaso at poca.com
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To manage your subscription (change email address, unsubscribe, etc.) use the li
nks above.
--
Dave Londry
Embedded Spaces Inc. (ESI)
[28]davel at emspace.com
904 429 1937 (SkypeCall FLA)
[29]Skype:embeddedspaces
Canada Numbers
604 721 2278 (cell)
604 589 9182 (shop line)
604 589 9183 (home line)
References
1. mailto:asajay at asajay.com
2. mailto:detomaso at poca.com
3. http://www.racingagainstautism.com/
4. http://www.teampanteraracing.com/
5. http://facebook.com/racingagainstautism
6. mailto:[4]garth_rodericks at yahoo.com
7. mailto:[5]guido_detomaso at prodigy.net
8. mailto:[6]guido_detomaso at prodigy.net
9. mailto:[7]detomaso at poca.com
10. mailto:8]DeTomaso at poca.com
11. http://poca.com/mailman/listinfo/detomaso_poca.com
12. http://www.avg.com/
13. mailto:10]DeTomaso at poca.com
14. http://poca.com/mailman/listinfo/detomaso_poca.com
15. http://www.racingagainstautism.com/
16. http://www.teampanteraracing.com/
17. http://facebook.com/racingagainstautism
18. mailto:garth_rodericks at yahoo.com
19. mailto:guido_detomaso at prodigy.net
20. mailto:guido_detomaso at prodigy.net
21. mailto:detomaso at poca.com
22. mailto:DeTomaso at poca.com
23. http://poca.com/mailman/listinfo/detomaso_poca.com
24. mailto:DeTomaso at poca.com
25. http://poca.com/mailman/listinfo/detomaso_poca.com
26. mailto:DeTomaso at poca.com
27. http://poca.com/mailman/listinfo/detomaso_poca.com
28. mailto:davel at emspace.com
29. Skype:embeddedspaces
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