[DeTomaso] Best racing brake pads for the stock calipers and vented rotors

Mike Drew MikeLDrew at aol.com
Sat Apr 29 18:07:26 EDT 2017


Short answer--no. Porterfield does NOT recommend the R4-S compound for race use. The 'S' is for 'street'

The original R4 race compound is the one you want, of the three R4 compounds they offer. Although I would still advise you to talk to the experts at porterfield, rather than goofballs like us, and see what they actually recommend.  They may have other, more modern compounds that would work better. 

Mike

Sent from my iPad

> On Apr 29, 2017, at 13:46, Steve Lisa <stevelisa at patentit.com> wrote:
> 
>   This car will only be racing, hard.A  It is will rarely see a "track"
>   day or the street.A  So is that compound right?
>   Regards,
>   Steven G. Lisa, Esq.
>   Email: SteveLisa at PatentIt.com
>   Direct: 312-320-5888
>   Scottsdale Office | P: 480.535.6656A  |A  F: 480.535.6628A  |A  A: 7689
>   E. Paradise Lane, Suite 2, Scottsdale, AZ 85260
>   Chicago Office | P: 312.752.4357A  |A  F: 312.896.5633A  |A  A: 55 E.
>   Monroe Street, Suite 3800, Chicago, IL 60603
> 
>   On Apr 29, 2017 1:08 PM, <[1]jderyke at aol.com> wrote:
> 
>   Porterfield recommends their R4-s pad compound for street & track in a
>   Pantera. Pads are slip-ins
>   for Wilwood & stock Girling fronts although not for the stock rear
>   toy-calipers, as Asa Jay mentioned. Works fine on our '72 with
>   Wilwoods.
>   -----Original Message-----
>   From: Steve Lisa <[2]stevelisa at patentit.com>
>   To: Jeff Detrich <[3]jjdetrich at gmail.com>
>   Cc: List DeTomaso Forum <[4]detomaso at server.detomasolist.com>
>   Sent: Sat, Apr 29, 2017 12:39 pm
>   Subject: Re: [DeTomaso] Best racing brake pads for the stock calipers
>   and vented rotors
>   Jeff and Asa Jay, thanks for the tips!
>   Regards,
>   Steven G. Lisa, Esq.
>   Email: [5]SteveLisa at PatentIt.com
>   Direct: [6]312-320-5888
>   Scottsdale Office | P: 480.535.6656A |A F: 480.535.6628A |A A: 7689
>   E. Paradise Lane, Suite 2, Scottsdale, AZ 85260
>   Chicago Office | P: 312.752.4357A |A F: 312.896.5633A |A A: 55 E.
>   Monroe Street, Suite 3800, Chicago, IL 60603
>   On Apr 29, 2017 6:24 AM, "Jeff Detrich" <[1][7]jjdetrich at gmail.com>
>   wrote:
>   A A Last time I ordered, Porterfield had pads with the tab removed
>   for the
>   A A Pantera market. You just have to remind them.
>   A A Jeff
>   A A 6559
>   A A On Fri, Apr 28, 2017 at 7:51 PM, Asa Jay Laughton
>   A A <[1][2][8]asajay at asajay.com> wrote:
>   A A A AA A I ran the Porterfields, but if you run the stock rear
>   calipers,
>   A A A you
>   A A A AA A MUST file down the pin on the pad.AA Porterfield
>   welds a small
>   A A A pin on
>   A A A AA A the back of the pad that prevents the caliper locking
>   mechanism
>   A A A from
>   A A A AA A turning to the unlock position.AA On a stock DeTomaso
>   pad,
>   A A A there is a
>   A A A AA A "bump" welded to the back which is already low enough
>   not to
>   A A A damage the
>   A A A AA A caliper piston.AA The pin welded on by Porterfield is
>   too long
>   A A A and will
>   A A A AA A punch a hole in the piston if not filed down.
>   A A A AA A Otherwise, I really liked the Porterfield.AA They
>   held up fine
>   A A A for me
>   A A A AA A during a Race School several years ago, and they moved
>   me from
>   A A A the
>   A A A AA A beginner group to the next group up on day two, really
>   pushing
>   A A A me and
>   A A A AA A the car.AA Lots of really hard braking that day...
>   and a couple
>   A A A of
>   A A A AA A inexperience-induced spins.
>   A A A AA A I had fun though. :)
>   A A A AA A Asa
>   A A A Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
>   A A A Spokane County ARES/RACES Net Manager
>   A A A ******************************
>   A A A [1][2][3][9]http://w7tsc.org
>   A A A [2][3][4][10]http://www.teampanteraracing.com
>   A A A AA A On 4/28/2017 5:35 PM, Steve Lisa wrote:
>   A A A AA A So, I now have the Wilkinson rear vented rotors, and
>   Mike
>   A A A Drew's new
>   A A A AA A front vented rotors for my FIA GR3 race project.AAA I
>   also
>   A A A ordered a new
>   A A A AA A brake booster and master cylinder. A
>   A A A AA A Now, I need to decide on the best source for racing
>   pads.AAA I
>   A A A will be
>   A A A AA A running the stock front and rear calipers, on the
>   vented
>   A A A rotors, with
>   A A A AA A direct cooling to the front rotors.AAA The car will
>   be racing
>   A A A virtually
>   A A A AA A 100% of the time, for short 40 minute max sessions. I
>   know
>   A A A Porterfield
>   A A A AA A makes race pads for the Pantera, and I have used their
>   pads a
>   A A A lot in
>   A A A AA A the past with no complaints. A
>   A A A AA A But, I wanted to ask the experts on this forum their
>   opinion
>   A A A for the
>   A A A AA A best race pads - BOTH supplier and compound -- for my
>   A A A application. A A
>   A A A AA A A
>   A A A AA A Regards,A
>   A A A AA A Steven G. Lisa, Esq.
>   A A A AA A Email: [3][11]SteveLisa at PatentIt.com
>   A A A AA A Direct: [5]312-320-5888
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>   A A 3. [23][30]http://www.teampanteraracing.com/
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>   A A 5. [25][32]http://www.patentit.com/
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>   A A 9. [29][36]http://www.avg.com/
>   A 10. [30][37]http://w7tsc.org/
>   A 11. [31][38]http://www.teampanteraracing.com/
>   A 12. [39]mailto:[32]SteveLisa at PatentIt.com
>   A 13. [33][40]http://www.patentit.com/
>   A 14. [34][41]http://www.PatentIt.com/
>   A 15. [42]mailto:[35]DeTomaso at server.detomasolist.com
>   A 16. [36][43]http://server.detomasolist.com/mailman/listinfo/detomaso
>   A 17. [37][44]http://www.avg.com/
>   A 18. [45]mailto:[38]DeTomaso at server.detomasolist.com
>   A 19. [39][46]http://server.detomasolist.com/mailman/listinfo/detomaso
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>   1. [49]mailto:jjdetrich at gmail.com
>   2. [50]mailto:asajay at asajay.com
>   3. [51]http://w7tsc.org/
>   4. [52]http://www.teampanteraracing.com/
>   5. tel:[53]312-320-5888
>   6. [54]http://www.PatentIt.com/
>   7. [55]http://www.patentit.com/
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>   18. [66]http://www.avg.com/
>   19. [67]mailto:DeTomaso at server.detomasolist.com
>   20. [68]http://server.detomasolist.com/mailman/listinfo/detomaso
>   21. [69]mailto:asajay at asajay.com
>   22. [70]http://w7tsc.org/
>   23. [71]http://www.teampanteraracing.com/
>   24. [72]http://www.PatentIt.com/
>   25. [73]http://www.patentit.com/
>   26. [74]http://www.PatentIt.com/
>   27. [75]mailto:DeTomaso at server.detomasolist.com
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>   29. [77]http://www.avg.com/
>   30. [78]http://w7tsc.org/
>   31. [79]http://www.teampanteraracing.com/
>   32. [80]mailto:SteveLisa at PatentIt.com
>   33. [81]http://www.patentit.com/
>   34. [82]http://www.PatentIt.com/
>   35. [83]mailto:DeTomaso at server.detomasolist.com
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>   37. [85]http://www.avg.com/
>   38. [86]mailto:DeTomaso at server.detomasolist.com
>   39. [87]http://server.detomasolist.com/mailman/listinfo/detomaso
>   40. [88]mailto:DeTomaso at server.detomasolist.com
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> References
> 
>   1. mailto:jderyke at aol.com
>   2. mailto:stevelisa at patentit.com
>   3. mailto:jjdetrich at gmail.com
>   4. mailto:detomaso at server.detomasolist.com
>   5. mailto:SteveLisa at PatentIt.com
>   6. tel:(312)%20320-5888
>   7. mailto:jjdetrich at gmail.com
>   8. mailto:asajay at asajay.com
>   9. http://w7tsc.org/
>  10. http://www.teampanteraracing.com/
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>  12. http://www.PatentIt.com/
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>  36. http://www.avg.com/
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>  48. http://server.detomasolist.com/mailman/listinfo/detomaso
>  49. mailto:jjdetrich at gmail.com?
>  50. mailto:asajay at asajay.com?
>  51. http://w7tsc.org/
>  52. http://www.teampanteraracing.com/
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>  88. mailto:DeTomaso at server.detomasolist.com?
>  89. http://server.detomasolist.com/mailman/listinfo/detomaso
>  90. mailto:DeTomaso at server.detomasolist.com
>  91. http://server.detomasolist.com/mailman/listinfo/detomaso
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