[DeTomaso] Some FIA Group 3 brake questions - circa 1973

Asa Jay Laughton asajay at asajay.com
Mon Apr 17 19:49:36 EDT 2017


Please note, that was private to Steve....   and everybody else.   ;)


Yea..... it happens around here a lot.
Asa


⁣Sent using Jedi Mind Tricks​

On Apr 17, 2017, 15:09, at 15:09, Mike Drew via DeTomaso <detomaso at server.detomasolist.com> wrote:
>Steve (private to you),
>
>Wilkinson sells factory vented rear rotors. I found out doing my
>research that they are a very unique size so they are your only option.
>They are very expensive but the only game in town. 
>
>I MAY be able to get you a couple of sets of non-slotted front rotors
>like the ones you bought from me, and you could sell the slotted set. I
>have a waiting list of buyers for the ones I had produced. If
>interested let me know and I will work on it. 
>
>Mike
>
>Sent from my iPhone
>
>On Apr 17, 2017, at 15:58, Steve Lisa <stevelisa at patentit.com> wrote:
>
>>   This is my first post, so I hope I get it right.A  Let me know if I
>>   broke etiquette.
>>   So, we confirmed this weekend running in the Oregon SCCA Vintage
>group
>>   at PIR, that the original Pantera brakes are indeed lacking.A 
>Aside
>>   from brake issues, Asa Jay's old car ran well.A
>>   The issue is that I am required to run the stock front and rear
>>   calipers if I want the car to be "dated" under the FIA Group 3
>rules as
>>   of "1973." A As best I can tell (and maybe I am wrong), the "big"
>>   calipers were not approved in Group 3 until 1974.A  However, it
>also
>>   appears, as best I can tell, that the 1973 FIA Group 3 rules
>allowed
>>   vented front and rear rotors in place of the original non-vented
>>   rotors.A  Unfortunately, slotted rotors are not allowed.A
>>   I happily just bought two sets of Mike Drew's recently sourced
>>   vented/slotted rotors, which I will run on the front for now.A 
>Except
>>   for snooty events, there will be no issues doing so.A  But, I have
>a
>>   few questions for the experts here about some longer term concerns:
>>    1. I eventually need to find vented but non-slotted front and rear
>>       rotors for the Pantera, as close as possible to what was run in
>the
>>       FIA Group 3 in 1973.A  Any ideas on where to find vented front
>and
>>       rear rotors that are equivalent to the 1973 FIA Group s rotors?
>>    2. I would like something improved in place of the stock rear
>rotors
>>       while I am sourcing the proper vented rotors circa 1973.A  Any
>>       ideas?
>>    3. What are the best race front and rear pads to run in the
>original
>>       calipers, and where do we get them?A  I am guessing
>Porterfield?
>> 
>>   Also, I want to again thank all those that tried to help us out
>last
>>   weekend when the Booster failed.A
>>   A
>>   Regards,A
>>   S
>>   ateve Lisaa
>>   SN 5533A
>>   Steve Lisa
>>   SN 5533
>> _______________________________________________
>> 
>> 
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>_______________________________________________
>
>
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>Posted emails must not exceed 1.5 Megabytes
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-------------- next part --------------
   Please note, that was private to Steve....A A  and everybody else.A A
   ;)

   Yea..... it happens around here a lot.

   Asa

   Sent using Jedi Mind Tricks

   On Apr 17, 2017, at 15:09, Mike Drew via DeTomaso
   <[1]detomaso at server.detomasolist.com> wrote:

Steve (private to you),
Wilkinson sells factory vented rear rotors. I found out doing my research that t
hey are a very unique size so they are your only option. They are very expensive
 but the only game in town.
I MAY be able to get you a couple of sets of non-slotted front rotors like the o
nes you bought from me, and you could sell the slotted set. I have a waiting lis
t of buyers for the ones I had produced. If interested let me know and I will wo
rk on it.
Mike
Sent from my iPhone
On Apr 17, 2017, at 15:58, Steve Lisa <stevelisa at patentit.com> wrote:

     This is my first post, so I hope I get it right.A Let me know if I
     broke etiquette.
     So, we confirmed this weekend running in the Oregon SCCA Vintage
     group
     at PIR, that the original Pantera brakes are indeed lacking.A Aside
     from brake issues, Asa Jay's old car ran well.A
     The issue is that I am required to run the stock front and rear
     calipers if I want the car to be "dated" under the FIA Group 3 rules
     as
     of "1973." A As best I can tell (and maybe I am wrong), the "big"
     calipers were not approved in Group 3 until 1974.A However, it also
     appears, as best I can tell, that the 1973 FIA Group 3 rules allowed
     vented front and rear rotors in place of the original non-vented
     rotors.A Unfortunately, slotted rotors are not allowed.A
     I happily just bought two sets of Mike Drew's recently sourced
     vented/slotted rotors, which I will run on the front for now.A
     Except
     for snooty events, there will be no issues doing so.A But, I have a
     few questions for the experts here about some longer term concerns:
     1. I eventually need to find vented but non-slotted front and rear
     rotors for the Pantera, as close as possible to what was run in the
     FIA Group 3 in 1973.A Any ideas on where to find vented front and
     rear rotors that are equivalent to the 1973 FIA Group s rotors?
     2. I would like something improved in place of the stock rear rotors
     while I am sourcing the proper vented rotors circa 1973.A Any
     ideas?
     3. What are the best race front and rear pads to run in the original
     calipers, and where do we get them?A I am guessing Porterfield?
     Also, I want to again thank all those that tried to help us out last
     weekend when the Booster failed.A
     A
     Regards,A
     S
     ateve Lisaa
     SN 5533A
     Steve Lisa
     SN 5533
       _______________________________________________________________

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References

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