Subject: [Fot] Spit/GT6 Race Pads

From: Mark Fisher via Fot <[email-masked]>
Date: Mon, 1 Jul 2024 20:27:41 +0000 (UTC)

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Hi All:
What do you racers like for front pads on your Spits and GT6s?
Thanks in advance,
Mark Fisher

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<html><head></head><body><div class="yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:18px;"><div dir="ltr" data-setdir="false">Hi All:</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">What do you racers like for front pads on your Spits and GT6s?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks in advance,</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Mark Fisher</div><div dir="ltr" data-setdir="false"><br></div></div></body></html>
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_______________________________________________
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From: Scott Janzen via Fot <[email-masked]>
Date: Mon, 1 Jul 2024 16:39:41 -0400

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I=E2=80=99m a big fan of these Carbotech pads -if the attachment comes =
through.  If not, CT2-XP10, pre-bedded.  Last a long time, no excessive =
rotor wear, better, more consistent bite than Hawk Blues, Porterfields, =
some other makes I=E2=80=99ve tried.  The pre- bedding is great - little =
need to bed in the brakes.
I should note that the GT6 is hard on brakes - I=E2=80=99ll have rotor =
temps of 400 degrees when I come off the track.
May not be the right compound for a Spitfire.  I=E2=80=99m aware of TR4 =
racers using them - same calipers.

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">I=E2=80=
=99m a big fan of these Carbotech pads -if the attachment comes through. =
&nbsp;If not, CT2-XP10, pre-bedded. &nbsp;Last a long time, no excessive =
rotor wear, better, more consistent bite than Hawk Blues, Porterfields, =
some other makes I=E2=80=99ve tried. &nbsp;The pre- bedding is great - =
little need to bed in the brakes.<div class=3D"">I should note that the =
GT6 is hard on brakes - I=E2=80=99ll have rotor temps of 400 degrees =
when I come off the track.</div><div class=3D"">May not be the right =
compound for a Spitfire. &nbsp;I=E2=80=99m aware of TR4 racers using =
them - same calipers.<br class=3D""><div><img apple-inline=3D"yes" =
id=3D"FA543229-4C0E-40D1-A02A-B62CE81028C8" width=3D"632" height=3D"415" =
src=3D"cid:6F3C8DFA-397E-4495-9520-16E9EC3639DF" =
class=3D""></div></div></body></html>=

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From: "Barr, Scott via Fot" <[email-masked]>
Date: Mon, 1 Jul 2024 21:07:50 +0000

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From: fubog1 via Fot <[email-masked]>
Date: Wed, 3 Jul 2024 15:37:32 +0000 (UTC)

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 Another point to consider re pad selection, & I don't see mentioned, is make sure that the pads have the correct taper ie backer flat down, the profile of the pad side should taper down towards the center of the disc/bottom of the pad to some degree, a trapezoid with the long side up, ie not be rectangular shape.Reason is that a lot more heat is generated towards the OD of the disc, & they'll wear more; having less friction surface towards the bottom of the pad w/a taper evens the pad wear, & it won't develop the other form of "taper", that usually requires that 1st brake pedal stab as the rectangular shaped pads do as they wear.
This applies to all TRs.I've also seen many cases where "interchanges" don't consider the shape of the pad, although the pads are dimensionally correct & fit.
Glen Efinger

    On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fisher via Fot <[email-masked]> wrote:   

 Hi All:

  
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<html><head></head><body><div class=3D"ydp93785fbayahoo-style-wrap" style=
=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">Another point to consider re=
 pad selection, &amp; I don't see mentioned, is make sure that the pads hav=
e the correct taper ie backer flat down, the profile of the pad side should=
 taper down towards the center of the disc/bottom of the pad to some degree=
, a trapezoid with the long side up, ie not be rectangular shape.</div><div=
 dir=3D"ltr" data-setdir=3D"false">Reason is that a lot more heat is genera=
ted towards the OD of the disc, &amp; they'll wear more; having less fricti=
on surface towards the bottom of the pad w/a taper evens the pad wear, &amp=
; it won't develop the other form of "taper", that usually requires that 1s=
t brake pedal stab as the rectangular shaped pads do as they wear.<br></div=
><div dir=3D"ltr" data-setdir=3D"false">This applies to all TRs.</div><div =
dir=3D"ltr" data-setdir=3D"false">I've also seen many cases where "intercha=
nges" don't consider the shape of the pad, although the pads are dimensiona=
lly correct &amp; fit.</div><div dir=3D"ltr" data-setdir=3D"false"><br></di=
v><div dir=3D"ltr" data-setdir=3D"false">Glen Efinger<br></div><div><br></d=
iv>
       =20
        </div><div id=3D"ydp23b6118fyahoo_quoted_0565246479" class=3D"ydp23=
b6118fyahoo_quoted"><div class=3D"ydp23b6118fyahoo-style-wrap" style=3D"fon=
t-family:Arial, Helvetica, sans-serif;font-size:16px;">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div class=3D"ydp23b6118fquoted-text-header">
                        On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fi=
sher via Fot &lt;[email-masked]&gt; wrote:
                    </div>
                </div><div style=3D"font-family:'Helvetica Neue', Helvetica=
, Arial, sans-serif;font-size:13px;color:#26282a;border-left: 1px solid #cc=
c;padding-left: 8px;margin: 0px 0px 0px 8px" class=3D"ydp23b6118finline_rep=
ly_quote_container" data-split-quote-node=3D"true">
                <div><br></div><div><br></div>
                <div><div id=3D"ydp23b6118fyiv3112983551"><div><div style=
=3D"font-family:times new roman, new york, times, serif;font-size:18px;" cl=
ass=3D"ydp23b6118fyiv3112983551yahoo-style-wrap"><div dir=3D"ltr">Hi All:</=
div><div dir=3D"ltr"><br></div><div dir=3D"ltr">What do you racers like for=
 front pads on your Spits and GT6s?</div><div dir=3D"ltr"><br></div><div di=
r=3D"ltr">Thanks in advance,</div><div dir=3D"ltr"><br></div><div dir=3D"lt=
r">Mark Fisher</div><div dir=3D"ltr"><br></div></div></div></div>__________=
_____________________________________<br><a href=3D"mailto:[email-masked]=
et" rel=3D"nofollow" target=3D"_blank">[email-masked]</a><br><br><a hre=
f=3D"http://www.fot-racing.com" rel=3D"nofollow" target=3D"_blank">http://w=
ww.fot-racing.com</a><br><br>Donate: <a href=3D"http://www.team.net/donate.=
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From: "JS Performance Motoring, LLC via Fot" <[email-masked]>
Date: Wed, 3 Jul 2024 12:25:21 -0400

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Glen, great point!

Seems that many race pad manufacturers try to give us the most material for
our money with a big, rectangular friction material puck.  This
definitely works against us with the ancient, two piston calipers we run.
More heat, and more surface speed out towards the edge of the rotor is a
recipe for radial taper.

I've found with enough complaining, I can get them to change the shape of
the pad to a trapezoid, and it really does help as you say.  It doesn't
eliminate taper on my GT6 that's brutal on brakes, but it is a big step in
the right direction.

In lieu of a properly designed friction puck, I sometimes use a big file to
adjust the shape of the friction material to accomplish the same thing.

Running a thick spacer behind the pad as they wear down also helps keep the
pistons true to the bore, and reduces heat transfer to the fluid/seals.

Jason Sukey
JS Performance Motoring, LLC
440.984.7720
[email-masked]
https://www.facebook.com/JSPerformanceMotoring/

On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM fubog1 via Fot <[email-masked]>=
 wrote:

> Another point to consider re pad selection, & I don't see mentioned, is
> make sure that the pads have the correct taper ie backer flat down, the
> profile of the pad side should taper down towards the center of the
> disc/bottom of the pad to some degree, a trapezoid with the long side up,
> ie not be rectangular shape.
> Reason is that a lot more heat is generated towards the OD of the disc, &
> they'll wear more; having less friction surface towards the bottom of the
> pad w/a taper evens the pad wear, & it won't develop the other form of
> "taper", that usually requires that 1st brake pedal stab as the rectangul=
ar
> shaped pads do as they wear.
> This applies to all TRs.
> I've also seen many cases where "interchanges" don't consider the shape o=
f
> the pad, although the pads are dimensionally correct & fit.
>
> Glen Efinger
>
> Donate: http://www.team.net/donate.html
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/[email-masked]
>
>
> Donate: http://www.team.net/donate.html
> Unsubscribe/Manage <http://www.team.net/pipermail/fotUnsubscribe/Manage>:
> http://autox.team.net/mailman/options/fot/[email-masked]
>
>
>

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<div dir=3D"ltr">Glen, great point!<div><br></div><div>Seems that many race=
 pad manufacturers=C2=A0try to give us the most material for our money with=
 a big, rectangular friction material puck.=C2=A0 This definitely=C2=A0work=
s against us with the ancient, two piston calipers we run.=C2=A0 More heat,=
 and more surface speed out towards the edge of the rotor is a recipe for r=
adial taper.</div><div><br></div><div>I&#39;ve found with enough complainin=
g, I can get them to change the shape of the pad to a trapezoid, and it rea=
lly does help as you say.=C2=A0 It doesn&#39;t eliminate taper on my GT6 th=
at&#39;s brutal on brakes, but it is a big step in the right direction.</di=
v><div><br></div><div>In lieu of a properly designed friction puck, I somet=
imes use a big file to adjust the shape of the friction material to accompl=
ish the same thing.</div><div><br></div><div>Running a thick spacer behind =
the pad as they wear down also helps keep the pistons true to the bore, and=
 reduces heat transfer to the fluid/seals.</div><div><br></div><div><br></d=
iv><div><div><div dir=3D"ltr" class=3D"gmail_signature" data-smartmail=3D"g=
mail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr=
"><div dir=3D"ltr"><div dir=3D"ltr"><div>Jason Sukey</div><div><span></span=
><span></span>JS Performance Motoring, LLC<br></div><div>440.984.7720</div>=
<div><a href=3D"mailto:[email-masked]" target=3D"_blank">j=
[email-masked]</a><br></div><div><a href=3D"https://www.fac=
ebook.com/JSPerformanceMotoring/" target=3D"_blank">https://www.facebook.co=
m/JSPerformanceMotoring/</a><br></div></div></div></div></div></div></div><=
/div></div></div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM fubog1 v=
ia Fot &lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt;=
 wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px =
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><di=
v style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px"><div></di=
v>
        <div dir=3D"ltr">Another point to consider re pad selection, &amp; =
I don&#39;t see mentioned, is make sure that the pads have the correct tape=
r ie backer flat down, the profile of the pad side should taper down toward=
s the center of the disc/bottom of the pad to some degree, a trapezoid with=
 the long side up, ie not be rectangular shape.</div><div dir=3D"ltr">Reaso=
n is that a lot more heat is generated towards the OD of the disc, &amp; th=
ey&#39;ll wear more; having less friction surface towards the bottom of the=
 pad w/a taper evens the pad wear, &amp; it won&#39;t develop the other for=
m of &quot;taper&quot;, that usually requires that 1st brake pedal stab as =
the rectangular shaped pads do as they wear.<br></div><div dir=3D"ltr">This=
 applies to all TRs.</div><div dir=3D"ltr">I&#39;ve also seen many cases wh=
ere &quot;interchanges&quot; don&#39;t consider the shape of the pad, altho=
ugh the pads are dimensionally correct &amp; fit.</div><div dir=3D"ltr"><br=
></div><div dir=3D"ltr">Glen Efinger<br></div><div><br></div>
       =20
        </div><div id=3D"m_-2871832781424524163ydp23b6118fyahoo_quoted_0565=
246479"><div style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px=
">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                        On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fi=
sher via Fot &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">fo=
[email-masked]</a>&gt; wrote:
                    </div>
                </div><div style=3D"font-family:&quot;Helvetica Neue&quot;,=
Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42);border-left:1=
px solid rgb(204,204,204);padding-left:8px;margin:0px 0px 0px 8px">
                <div><br></div><div><br></div>
                <div><div id=3D"m_-2871832781424524163ydp23b6118fyiv3112983=
551"><div><div style=3D"font-family:&quot;times new roman&quot;,&quot;new y=
ork&quot;,times,serif;font-size:18px"><div dir=3D"ltr">Hi All:</div><div di=
r=3D"ltr"><br></div><div dir=3D"ltr">What do you racers like for front pads=
 on your Spits and GT6s?</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">T=
hanks in advance,</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">Mark Fis=
her</div><div dir=3D"ltr"><br></div></div></div></div>_____________________=
__________________________<br><a href=3D"mailto:[email-masked]" rel=3D"=
nofollow" target=3D"_blank">[email-masked]</a><br><br><a href=3D"http:/=
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</blockquote></div>

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From: Scott Janzen via Fot <[email-masked]>
Date: Wed, 3 Jul 2024 14:51:08 -0400

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OK, I=E2=80=99m confused and hoping to learn something here.
I agree, the pads wear more on the outside, I=E2=80=99m guessing in part =
also due to the higher velocity of the rotor at that point, in addition =
to the heat - related issues.
However, if you get the friction material shaped as a trapezoid, =
doesn=E2=80=99t that result in either:
a) the piston stays square, the back of the pad stays square against the =
piston, and the outer edge of the pad is the only part contacting the =
rotor and it just wears down until there is full contact, or
b) the pad surface rests square against the rotor, the back of the pad =
is at an angle, forcing the piston to cock in the bore and causing more =
wear on those parts?

Personally, when the pads get worn to the point where there is =
noticeable taper, I generally have found they are well more than half =
gone and I just replace them.  I like my brakes to be at max =
performance.  Same deal with rotors - especially stock ones are cheap =
for these cars, though I have gotten to splurging on the grooved, =
dimpled ones that do seem to provide a bit better braking and longer =
life of all components.

On Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via Fot =
<[email-masked]> wrote:

Glen, great point!

Seems that many race pad manufacturers try to give us the most material =
for our money with a big, rectangular friction material puck.  This =
definitely works against us with the ancient, two piston calipers we =
run.  More heat, and more surface speed out towards the edge of the =
rotor is a recipe for radial taper.

I've found with enough complaining, I can get them to change the shape =
of the pad to a trapezoid, and it really does help as you say.  It =
doesn't eliminate taper on my GT6 that's brutal on brakes, but it is a =
big step in the right direction.

In lieu of a properly designed friction puck, I sometimes use a big file =
to adjust the shape of the friction material to accomplish the same =
thing.

Running a thick spacer behind the pad as they wear down also helps keep =
the pistons true to the bore, and reduces heat transfer to the =
fluid/seals.

Jason Sukey
JS Performance Motoring, LLC
440.984.7720
https://www.facebook.com/JSPerformanceMotoring/ =
<https://www.facebook.com/JSPerformanceMotoring/>

On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM fubog1 via Fot =
Another point to consider re pad selection, & I don't see mentioned, is =
make sure that the pads have the correct taper ie backer flat down, the =
profile of the pad side should taper down towards the center of the =
disc/bottom of the pad to some degree, a trapezoid with the long side =
up, ie not be rectangular shape.
Reason is that a lot more heat is generated towards the OD of the disc, =
& they'll wear more; having less friction surface towards the bottom of =
the pad w/a taper evens the pad wear, & it won't develop the other form =
of "taper", that usually requires that 1st brake pedal stab as the =
rectangular shaped pads do as they wear.
This applies to all TRs.
I've also seen many cases where "interchanges" don't consider the shape =
of the pad, although the pads are dimensionally correct & fit.

Glen Efinger

On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fisher via Fot =

Hi All:

Thanks in advance,

Mark Fisher

http://www.fot-racing.com <http://www.fot-racing.com/>

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">OK, =
I=E2=80=99m confused and hoping to learn something here.<div class=3D"">I =
agree, the pads wear more on the outside, I=E2=80=99m guessing in part =
also due to the higher velocity of the rotor at that point, in addition =
to the heat - related issues.</div><div class=3D"">However, if you get =
the friction material shaped as a trapezoid, doesn=E2=80=99t that result =
in either:</div><div class=3D"">a) the piston stays square, the back of =
the pad stays square against the piston, and the outer edge of the pad =
is the only part contacting the rotor and it just wears down until there =
is full contact, or</div><div class=3D"">b) the pad surface rests square =
against the rotor, the back of the pad is at an angle, forcing the =
piston to cock in the bore and causing more wear on those =
parts?</div><div class=3D""><br class=3D""></div><div =
class=3D"">Personally, when the pads get worn to the point where there =
is noticeable taper, I generally have found they are well more than half =
gone and I just replace them. &nbsp;I like my brakes to be at max =
performance. &nbsp;Same deal with rotors - especially stock ones are =
cheap for these cars, though I have gotten to splurging on the grooved, =
dimpled ones that do seem to provide a bit better braking and longer =
life of all components.<br class=3D""><div><br class=3D""><div =
class=3D"">On Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via =
Fot &lt;<a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div dir=3D"ltr" =
class=3D"">Glen, great point!<div class=3D""><br class=3D""></div><div =
class=3D"">Seems that many race pad manufacturers&nbsp;try to give us =
the most material for our money with a big, rectangular friction =
material puck.&nbsp; This definitely&nbsp;works against us with the =
ancient, two piston calipers we run.&nbsp; More heat, and more surface =
speed out towards the edge of the rotor is a recipe for radial =
taper.</div><div class=3D""><br class=3D""></div><div class=3D"">I've =
found with enough complaining, I can get them to change the shape of the =
pad to a trapezoid, and it really does help as you say.&nbsp; It doesn't =
eliminate taper on my GT6 that's brutal on brakes, but it is a big step =
in the right direction.</div><div class=3D""><br class=3D""></div><div =
class=3D"">In lieu of a properly designed friction puck, I sometimes use =
a big file to adjust the shape of the friction material to accomplish =
the same thing.</div><div class=3D""><br class=3D""></div><div =
class=3D"">Running a thick spacer behind the pad as they wear down also =
helps keep the pistons true to the bore, and reduces heat transfer to =
the fluid/seals.</div><div class=3D""><br class=3D""></div><div =
class=3D""><br class=3D""></div><div class=3D""><div class=3D""><div =
dir=3D"ltr" class=3D"gmail_signature" =
data-smartmail=3D"gmail_signature"><div dir=3D"ltr" class=3D""><div =
class=3D""><div dir=3D"ltr" class=3D""><div class=3D""><div dir=3D"ltr" =
class=3D""><div dir=3D"ltr" class=3D""><div dir=3D"ltr" class=3D""><div =
class=3D"">Jason Sukey</div><div class=3D""><span class=3D""></span><span =
class=3D""></span>JS Performance Motoring, LLC<br class=3D""></div><div =
class=3D"">440.984.7720</div><div class=3D""><a =
href=3D"mailto:[email-masked]" target=3D"_blank" =
class=3D"">[email-masked]</a><br class=3D""></div><div =
class=3D""><a href=3D"https://www.facebook.com/JSPerformanceMotoring/" =
target=3D"_blank" =
class=3D"">https://www.facebook.com/JSPerformanceMotoring/</a><br =
class=3D""></div></div></div></div></div></div></div></div></div></div><br=
 class=3D""></div></div><br class=3D""><div class=3D"gmail_quote"><div =
dir=3D"ltr" class=3D"gmail_attr">On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM =
fubog1 via Fot &lt;<a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; wrote:<br =
class=3D""></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex"><div class=3D""><div =
style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px" =
class=3D""><div class=3D""></div>
        <div dir=3D"ltr" class=3D"">Another point to consider re pad =
selection, &amp; I don't see mentioned, is make sure that the pads have =
the correct taper ie backer flat down, the profile of the pad side =
should taper down towards the center of the disc/bottom of the pad to =
some degree, a trapezoid with the long side up, ie not be rectangular =
shape.</div><div dir=3D"ltr" class=3D"">Reason is that a lot more heat =
is generated towards the OD of the disc, &amp; they'll wear more; having =
less friction surface towards the bottom of the pad w/a taper evens the =
pad wear, &amp; it won't develop the other form of "taper", that usually =
requires that 1st brake pedal stab as the rectangular shaped pads do as =
they wear.<br class=3D""></div><div dir=3D"ltr" class=3D"">This applies =
to all TRs.</div><div dir=3D"ltr" class=3D"">I've also seen many cases =
where "interchanges" don't consider the shape of the pad, although the =
pads are dimensionally correct &amp; fit.</div><div dir=3D"ltr" =
class=3D""><br class=3D""></div><div dir=3D"ltr" class=3D"">Glen =
Efinger<br class=3D""></div><div class=3D""><br class=3D""></div>
       =20
        </div><div =
id=3D"m_-2871832781424524163ydp23b6118fyahoo_quoted_0565246479" =
class=3D""><div =
style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px" =
class=3D"">
            <div style=3D"font-family:&quot;Helvetica =
Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)" =
class=3D"">
               =20
                <div class=3D"">
                        On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark =
Fisher via Fot &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank"=
 class=3D"">[email-masked]</a>&gt; wrote:
                    </div>
                </div><div style=3D"font-family:&quot;Helvetica =
Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42);b=
order-left:1px solid rgb(204,204,204);padding-left:8px;margin:0px 0px =
0px 8px" class=3D"">
                <div class=3D""><br class=3D""></div><div class=3D""><br =
class=3D""></div>
                <div class=3D""><div =
id=3D"m_-2871832781424524163ydp23b6118fyiv3112983551" class=3D""><div =
class=3D""><div style=3D"font-family:&quot;times new =
roman&quot;,&quot;new york&quot;,times,serif;font-size:18px" =
class=3D""><div dir=3D"ltr" class=3D"">Hi All:</div><div dir=3D"ltr" =
class=3D""><br class=3D""></div><div dir=3D"ltr" class=3D"">What do you =
racers like for front pads on your Spits and GT6s?</div><div dir=3D"ltr" =
class=3D""><br class=3D""></div><div dir=3D"ltr" class=3D"">Thanks in =
advance,</div><div dir=3D"ltr" class=3D""><br class=3D""></div><div =
dir=3D"ltr" class=3D"">Mark Fisher</div><div dir=3D"ltr" class=3D""><br =
class=3D""></div></div></div></div>_______________________________________=
________<br class=3D""><a href=3D"mailto:[email-masked]" =
rel=3D"nofollow" target=3D"_blank" class=3D"">[email-masked]</a><br =
class=3D""><br class=3D""><a href=3D"http://www.fot-racing.com/" =
rel=3D"nofollow" target=3D"_blank" =
class=3D"">http://www.fot-racing.com</a><br class=3D""><br =
class=3D"">Donate: <a href=3D"http://www.team.net/donate.html" =
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        =
</div></div></div>_______________________________________________<br =
class=3D"">
<a href=3D"mailto:[email-masked]" target=3D"_blank" =
class=3D"">[email-masked]</a><br class=3D"">
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<br class=3D"">
</blockquote></div>
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---

From: Tony Drews via Fot <[email-masked]>
Date: Wed, 3 Jul 2024 13:59:45 -0500

This is a multi-part message in MIME format.
--===============3492435415555693085==
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I think they are talking the shape of the periphery of the friction 
material, not the thickness.  Same thickness inside rotor to outside 
rotor, but "shorter" pad material closer to the center of the rotor.  
Shaped like

\_/

Piston / brake pad is flat to the rotor.

Cheers, Tony

On 7/3/2024 1:51 PM, Scott Janzen via Fot wrote:
> OK, I’m confused and hoping to learn something here.
> I agree, the pads wear more on the outside, I’m guessing in part also 
> due to the higher velocity of the rotor at that point, in addition to 
> the heat - related issues.
> However, if you get the friction material shaped as a trapezoid, 
> doesn’t that result in either:
> a) the piston stays square, the back of the pad stays square against 
> the piston, and the outer edge of the pad is the only part contacting 
> the rotor and it just wears down until there is full contact, or
> b) the pad surface rests square against the rotor, the back of the pad 
> is at an angle, forcing the piston to cock in the bore and causing 
> more wear on those parts?
>
> Personally, when the pads get worn to the point where there is 
> noticeable taper, I generally have found they are well more than half 
> gone and I just replace them.  I like my brakes to be at max 
> performance.  Same deal with rotors - especially stock ones are cheap 
> for these cars, though I have gotten to splurging on the grooved, 
> dimpled ones that do seem to provide a bit better braking and longer 
> life of all components.
>
> On Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via Fot 
> Seems that many race pad manufacturers try to give us the most 
> material for our money with a big, rectangular friction material 
> puck.  This definitely works against us with the ancient, two piston 
> calipers we run.  More heat, and more surface speed out towards the 
> edge of the rotor is a recipe for radial taper.
>
> I've found with enough complaining, I can get them to change the shape 
> of the pad to a trapezoid, and it really does help as you say.  It 
> doesn't eliminate taper on my GT6 that's brutal on brakes, but it is a 
> In lieu of a properly designed friction puck, I sometimes use a big 
> file to adjust the shape of the friction material to accomplish the 
> same thing.
>
> Running a thick spacer behind the pad as they wear down also helps 
> keep the pistons true to the bore, and reduces heat transfer to the 
> fluid/seals.
>
>
> Jason Sukey
> On Wed, Jul 3, 2024 at 12:14 PM fubog1 via Fot <[email-masked]> wrote:
>
>     Another point to consider re pad selection, & I don't see
>     mentioned, is make sure that the pads have the correct taper ie
>     backer flat down, the profile of the pad side should taper down
>     towards the center of the disc/bottom of the pad to some degree, a
>     trapezoid with the long side up, ie not be rectangular shape.
>     Reason is that a lot more heat is generated towards the OD of the
>     disc, & they'll wear more; having less friction surface towards
>     the bottom of the pad w/a taper evens the pad wear, & it won't
>     develop the other form of "taper", that usually requires that 1st
>     brake pedal stab as the rectangular shaped pads do as they wear.
>     This applies to all TRs.
>     I've also seen many cases where "interchanges" don't consider the
>     shape of the pad, although the pads are dimensionally correct & fit.
>
>     Glen Efinger
>
>     Unsubscribe/Manage
>     <http://www.team.net/pipermail/fotUnsubscribe/Manage>:
> Donate:http://www.team.net/donate.html
> Archive:http://autox.team.net/archive  http://www.team.net/pipermail/fot
> Unsubscribe/Manage:http://autox.team.net/mailman/options/fot/[email-masked]
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>
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    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
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    <p>I think they are talking the shape of the periphery of the
      friction material, not the thickness.  Same thickness inside rotor
      to outside rotor, but "shorter" pad material closer to the center
      of the rotor.  Shaped like <br>
    </p>
    <p>\_/</p>
    <p>Piston / brake pad is flat to the rotor.<br>
    </p>
    <p>Cheers, Tony<br>
    </p>
    <div class="moz-cite-prefix">On 7/3/2024 1:51 PM, Scott Janzen via
      Fot wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:[email-masked]">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      OK, I’m confused and hoping to learn something here.
      <div class="">I agree, the pads wear more on the outside, I’m
        guessing in part also due to the higher velocity of the rotor at
        that point, in addition to the heat - related issues.</div>
      <div class="">However, if you get the friction material shaped as
        a trapezoid, doesn’t that result in either:</div>
      <div class="">a) the piston stays square, the back of the pad
        stays square against the piston, and the outer edge of the pad
        is the only part contacting the rotor and it just wears down
        until there is full contact, or</div>
      <div class="">b) the pad surface rests square against the rotor,
        the back of the pad is at an angle, forcing the piston to cock
        in the bore and causing more wear on those parts?</div>
      <div class=""><br class="">
      </div>
      <div class="">Personally, when the pads get worn to the point
        where there is noticeable taper, I generally have found they are
        well more than half gone and I just replace them.  I like my
        brakes to be at max performance.  Same deal with rotors -
        especially stock ones are cheap for these cars, though I have
        gotten to splurging on the grooved, dimpled ones that do seem to
        provide a bit better braking and longer life of all components.<br
          class="">
        <div><br class="">
          <div class="">On Jul 3, 2024, at 12:25 PM, JS Performance
            Motoring, LLC via Fot &lt;<a
              href="mailto:[email-masked]"
              class="moz-txt-link-freetext" moz-do-not-send="true">[email-masked]</a>&gt;
            wrote:</div>
          <br class="Apple-interchange-newline">
          <div class="">
            <div dir="ltr" class="">Glen, great point!
              <div class=""><br class="">
              </div>
              <div class="">Seems that many race pad manufacturers try
                to give us the most material for our money with a big,
                rectangular friction material puck.  This
                definitely works against us with the ancient, two piston
                calipers we run.  More heat, and more surface speed out
                towards the edge of the rotor is a recipe for radial
                taper.</div>
              <div class=""><br class="">
              </div>
              <div class="">I've found with enough complaining, I can
                get them to change the shape of the pad to a trapezoid,
                and it really does help as you say.  It doesn't
                eliminate taper on my GT6 that's brutal on brakes, but
                it is a big step in the right direction.</div>
              <div class=""><br class="">
              </div>
              <div class="">In lieu of a properly designed friction
                puck, I sometimes use a big file to adjust the shape of
                the friction material to accomplish the same thing.</div>
              <div class=""><br class="">
              </div>
              <div class="">Running a thick spacer behind the pad as
                they wear down also helps keep the pistons true to the
                bore, and reduces heat transfer to the fluid/seals.</div>
              <div class=""><br class="">
              </div>
              <div class=""><br class="">
              </div>
              <div class="">
                <div class="">
                  <div dir="ltr" class="gmail_signature"
                    data-smartmail="gmail_signature">
                    <div dir="ltr" class="">
                      <div class="">
                        <div dir="ltr" class="">
                          <div class="">
                            <div dir="ltr" class="">
                              <div dir="ltr" class="">
                                <div dir="ltr" class="">
                                  <div class="">Jason Sukey</div>
                                  <div class=""><span class=""></span><span
                                      class=""></span>JS Performance
                                    Motoring, LLC<br class="">
                                  </div>
                                  <div class="">440.984.7720</div>
                                  <div class=""><a
href="mailto:[email-masked]" target="_blank"
                                      class="moz-txt-link-freetext"
                                      moz-do-not-send="true">[email-masked]</a><br
                                      class="">
                                  </div>
                                  <div class=""><a
href="https://www.facebook.com/JSPerformanceMotoring/" target="_blank"
                                      class="moz-txt-link-freetext"
                                      moz-do-not-send="true">https://www.facebook.com/JSPerformanceMotoring/</a><br
                                      class="">
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
                <br class="">
              </div>
            </div>
            <br class="">
            <div class="gmail_quote">
              <div dir="ltr" class="gmail_attr">On Wed, Jul 3, 2024 at
                12:14 PM fubog1 via Fot &lt;<a
                  href="mailto:[email-masked]"
                  class="moz-txt-link-freetext" moz-do-not-send="true">[email-masked]</a>&gt;
                wrote:<br class="">
              </div>
              <blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                <div class="">
                  <div
style="font-family:Arial,Helvetica,sans-serif;font-size:16px" class="">
                    <div dir="ltr" class="">Another point to consider re
                      pad selection, &amp; I don't see mentioned, is
                      make sure that the pads have the correct taper ie
                      backer flat down, the profile of the pad side
                      should taper down towards the center of the
                      disc/bottom of the pad to some degree, a trapezoid
                      with the long side up, ie not be rectangular
                      shape.</div>
                    <div dir="ltr" class="">Reason is that a lot more
                      heat is generated towards the OD of the disc,
                      &amp; they'll wear more; having less friction
                      surface towards the bottom of the pad w/a taper
                      evens the pad wear, &amp; it won't develop the
                      other form of "taper", that usually requires that
                      1st brake pedal stab as the rectangular shaped
                      pads do as they wear.<br class="">
                    </div>
                    <div dir="ltr" class="">This applies to all TRs.</div>
                    <div dir="ltr" class="">I've also seen many cases
                      where "interchanges" don't consider the shape of
                      the pad, although the pads are dimensionally
                      correct &amp; fit.</div>
                    <div dir="ltr" class=""><br class="">
                    </div>
                    <div dir="ltr" class="">Glen Efinger<br class="">
                    </div>
                    <div class=""><br class="">
                    </div>
                  </div>
                  <div
id="m_-2871832781424524163ydp23b6118fyahoo_quoted_0565246479" class="">
                    <div
style="font-family:Arial,Helvetica,sans-serif;font-size:16px" class="">
                      <div
style="font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)"
                        class="">
                        <div class=""> On Monday, July 1, 2024 at
                          04:43:42 PM EDT, Mark Fisher via Fot &lt;<a
                            href="mailto:[email-masked]"
                            target="_blank"
                            class="moz-txt-link-freetext"
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                      <div
style="font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42);border-left:1px solid rgb(204,204,204);padding-left:8px;margin:0px 0px 0px 8px"
                        class="">
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                        <div class="">
                          <div
id="m_-2871832781424524163ydp23b6118fyiv3112983551" class="">
                            <div class="">
                              <div
style="font-family:&quot;times new roman&quot;,&quot;new york&quot;,times,serif;font-size:18px"
                                class="">
                                <div dir="ltr" class="">Hi All:</div>
                                <div dir="ltr" class=""><br class="">
                                </div>
                                <div dir="ltr" class="">What do you
                                  racers like for front pads on your
                                  Spits and GT6s?</div>
                                <div dir="ltr" class=""><br class="">
                                </div>
                                <div dir="ltr" class="">Thanks in
                                  advance,</div>
                                <div dir="ltr" class=""><br class="">
                                </div>
                                <div dir="ltr" class="">Mark Fisher</div>
                                <div dir="ltr" class=""><br class="">
                                </div>
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From: "JS Performance Motoring, LLC via Fot" <[email-masked]>
Date: Wed, 3 Jul 2024 15:11:03 -0400

--000000000000fbb839061c5c9818

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Hi Scott,
      I've attached a picture showing what I was referring to as far as pad
shape.

I've started rotating between two sets of pads each race weekend.  I true
them up between races.   It's not extreme, but there's enough taper wear
during half of a weekend that I notice a slightly better pedal feel after
swapping them out.

Jason Sukey

> I agree, the pads wear more on the outside, I=E2=80=99m guessing in part =
also due
> to the higher velocity of the rotor at that point, in addition to the hea=
t
> - related issues.
> However, if you get the friction material shaped as a trapezoid, doesn=E2=
=80=99t
> that result in either:
> a) the piston stays square, the back of the pad stays square against the
> piston, and the outer edge of the pad is the only part contacting the rot=
or
> and it just wears down until there is full contact, or
> b) the pad surface rests square against the rotor, the back of the pad is
> at an angle, forcing the piston to cock in the bore and causing more wear
> on those parts?
>
> Personally, when the pads get worn to the point where there is noticeable
> taper, I generally have found they are well more than half gone and I jus=
t
> replace them.  I like my brakes to be at max performance.  Same deal with
> rotors - especially stock ones are cheap for these cars, though I have
> gotten to splurging on the grooved, dimpled ones that do seem to provide =
a
> bit better braking and longer life of all components.
>
> On Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via Fot <
> [email-masked]> wrote:
>
> Glen, great point!
>
> Seems that many race pad manufacturers try to give us the most material
> for our money with a big, rectangular friction material puck.  This
> eliminate taper on my GT6 that's brutal on brakes, but it is a big step i=
n
> the right direction.
>
> In lieu of a properly designed friction puck, I sometimes use a big file
> to adjust the shape of the friction material to accomplish the same thing=
.
>
> Running a thick spacer behind the pad as they wear down also helps keep
> the pistons true to the bore, and reduces heat transfer to the fluid/seal=
s.
> On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM fubog1 via Fot <[email-masked]=
t> wrote:
>> disc/bottom of the pad to some degree, a trapezoid with the long side up=
,
>> Reason is that a lot more heat is generated towards the OD of the disc, =
&
>> they'll wear more; having less friction surface towards the bottom of th=
e
>> "taper", that usually requires that 1st brake pedal stab as the rectangu=
lar
>> I've also seen many cases where "interchanges" don't consider the shape
>> Unsubscribe/Manage <http://www.team.net/pipermail/fotUnsubscribe/Manage>=
:
>> http://autox.team.net/mailman/options/fot/[email-masked]=
m
> http://autox.team.net/mailman/options/fot/[email-masked]

--000000000000fbb837061c5c9816
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi Scott,<div>=C2=A0 =C2=A0 =C2=A0 I&#39;ve attached a pic=
ture showing what I was referring to as far as pad shape.</div><div><br></d=
iv><div>I&#39;ve started rotating between two sets of pads each race weeken=
d.=C2=A0 I true them up between races.=C2=A0 =C2=A0It&#39;s not extreme, bu=
t there&#39;s enough taper wear during half of a weekend that I notice a sl=
ightly better pedal feel after swapping=C2=A0them out.=C2=A0=C2=A0</div><di=
v><br></div><div><br clear=3D"all"><div><div dir=3D"ltr" class=3D"gmail_sig=
nature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div><div dir=
=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div>Jason=
 Sukey</div><div><span></span><span></span>JS Performance Motoring, LLC<br>=
</div><div>440.984.7720</div><div><a href=3D"mailto:jason@jsperformancemoto=
ring.com" target=3D"_blank">[email-masked]</a><br></div><d=
iv><a href=3D"https://www.facebook.com/JSPerformanceMotoring/" target=3D"_b=
lank">https://www.facebook.com/JSPerformanceMotoring/</a><br></div></div></=
div></div></div></div></div></div></div></div><br></div></div><br><div clas=
s=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Jul 3, 2024=
 at 2:51=E2=80=AFPM Scott Janzen &lt;<a href=3D"mailto:[email-masked]">sjan=
[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex"><div style=3D"overflow-wrap: break-word;">OK, I=E2=80=99m confus=
ed and hoping to learn something here.<div>I agree, the pads wear more on t=
he outside, I=E2=80=99m guessing in part also due to the higher velocity of=
 the rotor at that point, in addition to the heat - related issues.</div><d=
iv>However, if you get the friction material shaped as a trapezoid, doesn=
=E2=80=99t that result in either:</div><div>a) the piston stays square, the=
 back of the pad stays square against the piston, and the outer edge of the=
 pad is the only part contacting the rotor and it just wears down until the=
re is full contact, or</div><div>b) the pad surface rests square against th=
e rotor, the back of the pad is at an angle, forcing the piston to cock in =
the bore and causing more wear on those parts?</div><div><br></div><div>Per=
sonally, when the pads get worn to the point where there is noticeable tape=
r, I generally have found they are well more than half gone and I just repl=
ace them.=C2=A0 I like my brakes to be at max performance.=C2=A0 Same deal =
with rotors - especially stock ones are cheap for these cars, though I have=
 gotten to splurging on the grooved, dimpled ones that do seem to provide a=
 bit better braking and longer life of all components.<br><div><br><div>On =
Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via Fot &lt;<a href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;=
 wrote:</div><br><div><div dir=3D"ltr">Glen, great point!<div><br></div><di=
v>Seems that many race pad manufacturers=C2=A0try to give us the most mater=
ial for our money with a big, rectangular friction material puck.=C2=A0 Thi=
s definitely=C2=A0works against us with the ancient, two piston calipers we=
 run.=C2=A0 More heat, and more surface speed out towards the edge of the r=
otor is a recipe for radial taper.</div><div><br></div><div>I&#39;ve found =
with enough complaining, I can get them to change the shape of the pad to a=
 trapezoid, and it really does help as you say.=C2=A0 It doesn&#39;t elimin=
ate taper on my GT6 that&#39;s brutal on brakes, but it is a big step in th=
e right direction.</div><div><br></div><div>In lieu of a properly designed =
friction puck, I sometimes use a big file to adjust the shape of the fricti=
on material to accomplish the same thing.</div><div><br></div><div>Running =
a thick spacer behind the pad as they wear down also helps keep the pistons=
 true to the bore, and reduces heat transfer to the fluid/seals.</div><div>=
<br></div><div><br></div><div><div><div dir=3D"ltr" class=3D"gmail_signatur=
e"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D=
"ltr"><div dir=3D"ltr"><div>Jason Sukey</div><div><span></span><span></span=
>JS Performance Motoring, LLC<br></div><div>440.984.7720</div><div><a href=
=3D"mailto:[email-masked]" target=3D"_blank">jason@jsperfo=
rmancemotoring.com</a><br></div><div><a href=3D"https://www.facebook.com/JS=
PerformanceMotoring/" target=3D"_blank">https://www.facebook.com/JSPerforma=
nceMotoring/</a><br></div></div></div></div></div></div></div></div></div><=
/div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM fubog1 via Fot &lt;=
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0=
px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><=
div><div style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px"><d=
iv></div>
        <div dir=3D"ltr">Another point to consider re pad selection, &amp; =
I don&#39;t see mentioned, is make sure that the pads have the correct tape=
r ie backer flat down, the profile of the pad side should taper down toward=
s the center of the disc/bottom of the pad to some degree, a trapezoid with=
 the long side up, ie not be rectangular shape.</div><div dir=3D"ltr">Reaso=
n is that a lot more heat is generated towards the OD of the disc, &amp; th=
ey&#39;ll wear more; having less friction surface towards the bottom of the=
 pad w/a taper evens the pad wear, &amp; it won&#39;t develop the other for=
m of &quot;taper&quot;, that usually requires that 1st brake pedal stab as =
the rectangular shaped pads do as they wear.<br></div><div dir=3D"ltr">This=
 applies to all TRs.</div><div dir=3D"ltr">I&#39;ve also seen many cases wh=
ere &quot;interchanges&quot; don&#39;t consider the shape of the pad, altho=
ugh the pads are dimensionally correct &amp; fit.</div><div dir=3D"ltr"><br=
></div><div dir=3D"ltr">Glen Efinger<br></div><div><br></div>
       =20
        </div><div id=3D"m_1767234530914675755m_-2871832781424524163ydp23b6=
118fyahoo_quoted_0565246479"><div style=3D"font-family:Arial,Helvetica,sans=
-serif;font-size:16px">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                        On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fi=
sher via Fot &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">fo=
[email-masked]</a>&gt; wrote:
                    </div>
                </div><div style=3D"font-family:&quot;Helvetica Neue&quot;,=
Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42);border-left:1=
px solid rgb(204,204,204);padding-left:8px;margin:0px 0px 0px 8px">
                <div><br></div><div><br></div>
                <div><div id=3D"m_1767234530914675755m_-2871832781424524163=
ydp23b6118fyiv3112983551"><div><div style=3D"font-family:&quot;times new ro=
man&quot;,&quot;new york&quot;,times,serif;font-size:18px"><div dir=3D"ltr"=
>Hi All:</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">What do you racer=
s like for front pads on your Spits and GT6s?</div><div dir=3D"ltr"><br></d=
iv><div dir=3D"ltr">Thanks in advance,</div><div dir=3D"ltr"><br></div><div=
 dir=3D"ltr">Mark Fisher</div><div dir=3D"ltr"><br></div></div></div></div>=
_______________________________________________<br><a href=3D"mailto:fot@au=
tox.team.net" rel=3D"nofollow" target=3D"_blank">[email-masked]</a><br>=
<br><a href=3D"http://www.fot-racing.com/" rel=3D"nofollow" target=3D"_blan=
k">http://www.fot-racing.com</a><br><br>Donate: <a href=3D"http://www.team.=
net/donate.html" rel=3D"nofollow" target=3D"_blank">http://www.team.net/don=
ate.html</a><br>Archive: <a href=3D"http://autox.team.net/archive" rel=3D"n=
ofollow" target=3D"_blank">http://autox.team.net/archive</a> <a href=3D"htt=
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<br></div>
            </div>
        </div></div></div>_______________________________________________<b=
r>
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/a><br>
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/div></blockquote></div>

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From: Scott Janzen via Fot <[email-masked]>
Date: Wed, 3 Jul 2024 15:20:34 -0400

--===============7808649902818070227==
	boundary="Apple-Mail=_846D6C93-88EF-45DA-92DC-0072AF10F909"

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ahh , got it

On Jul 3, 2024, at 2:59 PM, Tony Drews via Fot <[email-masked]> =
wrote:

I think they are talking the shape of the periphery of the friction =
material, not the thickness.  Same thickness inside rotor to outside =
rotor, but "shorter" pad material closer to the center of the rotor.  =
Shaped like=20

\_/

Cheers, Tony

On 7/3/2024 1:51 PM, Scott Janzen via Fot wrote:
> I agree, the pads wear more on the outside, I=E2=80=99m guessing in =
part also due to the higher velocity of the rotor at that point, in =
addition to the heat - related issues.
doesn=E2=80=99t that result in either:
> a) the piston stays square, the back of the pad stays square against =
the piston, and the outer edge of the pad is the only part contacting =
the rotor and it just wears down until there is full contact, or
> Seems that many race pad manufacturers try to give us the most =
material for our money with a big, rectangular friction material puck.  =
This definitely works against us with the ancient, two piston calipers =
we run.  More heat, and more surface speed out towards the edge of the =
rotor is a recipe for radial taper.
>=20
> In lieu of a properly designed friction puck, I sometimes use a big =
file to adjust the shape of the friction material to accomplish the same =
thing.
>=20
> Running a thick spacer behind the pad as they wear down also helps =
keep the pistons true to the bore, and reduces heat transfer to the =
fluid/seals.
> [email-masked] =
> Another point to consider re pad selection, & I don't see mentioned, =
is make sure that the pads have the correct taper ie backer flat down, =
the profile of the pad side should taper down towards the center of the =
disc/bottom of the pad to some degree, a trapezoid with the long side =
up, ie not be rectangular shape.
> Reason is that a lot more heat is generated towards the OD of the =
disc, & they'll wear more; having less friction surface towards the =
bottom of the pad w/a taper evens the pad wear, & it won't develop the =
other form of "taper", that usually requires that 1st brake pedal stab =
as the rectangular shaped pads do as they wear.
> This applies to all TRs.
> I've also seen many cases where "interchanges" don't consider the =
> Donate: http://www.team.net/donate.html =
> Unsubscribe/Manage: =
> Donate: http://www.team.net/donate.html =
> Unsubscribe/Manage =
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">ahh =
, got it<br class=3D""><div style=3D""><br class=3D""><div class=3D"">On =
Jul 3, 2024, at 2:59 PM, Tony Drews via Fot &lt;<a =
href=3D"mailto:[email-masked]" class=3D"">[email-masked]</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D"">

 =20
    <meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3DUTF-8" class=3D"">
 =20
  <div text=3D"#000000" bgcolor=3D"#FFFFFF" class=3D""><p class=3D"">I =
think they are talking the shape of the periphery of the
      friction material, not the thickness.&nbsp; Same thickness inside =
rotor
      to outside rotor, but "shorter" pad material closer to the center
      of the rotor.&nbsp; Shaped like <br class=3D"">
    </p><p class=3D"">\_/</p><p class=3D"">Piston / brake pad is flat to =
the rotor.<br class=3D"">
    </p><p class=3D"">Cheers, Tony<br class=3D"">
    </p>
    <div class=3D"moz-cite-prefix">On 7/3/2024 1:51 PM, Scott Janzen via
      Fot wrote:<br class=3D"">
    </div>
    <blockquote type=3D"cite" =
cite=3D"mid:[email-masked]" class=3D"">
      <meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3DUTF-8" class=3D"">
      OK, I=E2=80=99m confused and hoping to learn something here.
      <div class=3D"">I agree, the pads wear more on the outside, I=E2=80=99=
m
        guessing in part also due to the higher velocity of the rotor at
        that point, in addition to the heat - related issues.</div>
      <div class=3D"">However, if you get the friction material shaped =
as
        a trapezoid, doesn=E2=80=99t that result in either:</div>
      <div class=3D"">a) the piston stays square, the back of the pad
        stays square against the piston, and the outer edge of the pad
        is the only part contacting the rotor and it just wears down
        until there is full contact, or</div>
      <div class=3D"">b) the pad surface rests square against the rotor,
        the back of the pad is at an angle, forcing the piston to cock
        in the bore and causing more wear on those parts?</div>
      <div class=3D""><br class=3D"">
      </div>
      <div class=3D"">Personally, when the pads get worn to the point
        where there is noticeable taper, I generally have found they are
        well more than half gone and I just replace them. &nbsp;I like =
my
        brakes to be at max performance. &nbsp;Same deal with rotors -
        especially stock ones are cheap for these cars, though I have
        gotten to splurging on the grooved, dimpled ones that do seem to
        provide a bit better braking and longer life of all =
components.<br class=3D"">
        <div class=3D""><br class=3D"">
          <div class=3D"">On Jul 3, 2024, at 12:25 PM, JS Performance
            Motoring, LLC via Fot &lt;<a =
href=3D"mailto:[email-masked]" class=3D"moz-txt-link-freetext" =
moz-do-not-send=3D"true">[email-masked]</a>&gt;
            wrote:</div>
          <br class=3D"Apple-interchange-newline">
          <div class=3D"">
            <div dir=3D"ltr" class=3D"">Glen, great point!
              <div class=3D""><br class=3D"">
              </div>
              <div class=3D"">Seems that many race pad =
manufacturers&nbsp;try
                to give us the most material for our money with a big,
                rectangular friction material puck.&nbsp; This
                definitely&nbsp;works against us with the ancient, two =
piston
                calipers we run.&nbsp; More heat, and more surface speed =
out
                towards the edge of the rotor is a recipe for radial
                taper.</div>
              <div class=3D""><br class=3D"">
              </div>
              <div class=3D"">I've found with enough complaining, I can
                get them to change the shape of the pad to a trapezoid,
                and it really does help as you say.&nbsp; It doesn't
                eliminate taper on my GT6 that's brutal on brakes, but
                it is a big step in the right direction.</div>
              <div class=3D""><br class=3D"">
              </div>
              <div class=3D"">In lieu of a properly designed friction
                puck, I sometimes use a big file to adjust the shape of
                the friction material to accomplish the same =
thing.</div>
              <div class=3D""><br class=3D"">
              </div>
              <div class=3D"">Running a thick spacer behind the pad as
                they wear down also helps keep the pistons true to the
                bore, and reduces heat transfer to the =
fluid/seals.</div>
              <div class=3D""><br class=3D"">
              </div>
              <div class=3D""><br class=3D"">
              </div>
              <div class=3D"">
                <div class=3D"">
                  <div dir=3D"ltr" class=3D"gmail_signature" =
data-smartmail=3D"gmail_signature">
                    <div dir=3D"ltr" class=3D"">
                      <div class=3D"">
                        <div dir=3D"ltr" class=3D"">
                          <div class=3D"">
                            <div dir=3D"ltr" class=3D"">
                              <div dir=3D"ltr" class=3D"">
                                <div dir=3D"ltr" class=3D"">
                                  <div class=3D"">Jason Sukey</div>
                                  <div class=3D""><span =
class=3D""></span><span class=3D""></span>JS Performance
                                    Motoring, LLC<br class=3D"">
                                  </div>
                                  <div class=3D"">440.984.7720</div>
                                  <div class=3D""><a =
href=3D"mailto:[email-masked]" target=3D"_blank" =
class=3D"moz-txt-link-freetext" =
moz-do-not-send=3D"true">[email-masked]</a><br =
class=3D"">
                                  </div>
                                  <div class=3D""><a =
href=3D"https://www.facebook.com/JSPerformanceMotoring/" target=3D"_blank"=
 class=3D"moz-txt-link-freetext" =
moz-do-not-send=3D"true">https://www.facebook.com/JSPerformanceMotoring/</=
a><br class=3D"">
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
                <br class=3D"">
              </div>
            </div>
            <br class=3D"">
            <div class=3D"gmail_quote">
              <div dir=3D"ltr" class=3D"gmail_attr">On Wed, Jul 3, 2024 =
at
                12:14=E2=80=AFPM fubog1 via Fot &lt;<a =
href=3D"mailto:[email-masked]" class=3D"moz-txt-link-freetext" =
moz-do-not-send=3D"true">[email-masked]</a>&gt;
                wrote:<br class=3D"">
              </div>
              <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px =
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                <div class=3D"">
                  <div =
style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px" =
class=3D"">
                    <div dir=3D"ltr" class=3D"">Another point to =
consider re
                      pad selection, &amp; I don't see mentioned, is
                      make sure that the pads have the correct taper ie
                      backer flat down, the profile of the pad side
                      should taper down towards the center of the
                      disc/bottom of the pad to some degree, a trapezoid
                      with the long side up, ie not be rectangular
                      shape.</div>
                    <div dir=3D"ltr" class=3D"">Reason is that a lot =
more
                      heat is generated towards the OD of the disc,
                      &amp; they'll wear more; having less friction
                      surface towards the bottom of the pad w/a taper
                      evens the pad wear, &amp; it won't develop the
                      other form of "taper", that usually requires that
                      1st brake pedal stab as the rectangular shaped
                      pads do as they wear.<br class=3D"">
                    </div>
                    <div dir=3D"ltr" class=3D"">This applies to all =
TRs.</div>
                    <div dir=3D"ltr" class=3D"">I've also seen many =
cases
                      where "interchanges" don't consider the shape of
                      the pad, although the pads are dimensionally
                      correct &amp; fit.</div>
                    <div dir=3D"ltr" class=3D""><br class=3D"">
                    </div>
                    <div dir=3D"ltr" class=3D"">Glen Efinger<br =
class=3D"">
                    </div>
                    <div class=3D""><br class=3D"">
                    </div>
                  </div>
                  <div =
id=3D"m_-2871832781424524163ydp23b6118fyahoo_quoted_0565246479" =
class=3D"">
                    <div =
style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px" =
class=3D"">
                      <div style=3D"font-family:&quot;Helvetica =
Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)" =
class=3D"">
                        <div class=3D""> On Monday, July 1, 2024 at
                          04:43:42 PM EDT, Mark Fisher via Fot &lt;<a =
href=3D"mailto:[email-masked]" target=3D"_blank" =
class=3D"moz-txt-link-freetext" =
moz-do-not-send=3D"true">[email-masked]</a>&gt;
                          wrote: </div>
                      </div>
                      <div style=3D"font-family:&quot;Helvetica =
Neue&quot;,Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42);b=
order-left:1px solid rgb(204,204,204);padding-left:8px;margin:0px 0px =
0px 8px" class=3D"">
                        <div class=3D""><br class=3D"">
                        </div>
                        <div class=3D""><br class=3D"">
                        </div>
                        <div class=3D"">
                          <div =
id=3D"m_-2871832781424524163ydp23b6118fyiv3112983551" class=3D"">
                            <div class=3D"">
                              <div style=3D"font-family:&quot;times new =
roman&quot;,&quot;new york&quot;,times,serif;font-size:18px" class=3D"">
                                <div dir=3D"ltr" class=3D"">Hi =
All:</div>
                                <div dir=3D"ltr" class=3D""><br =
class=3D"">
                                </div>
                                <div dir=3D"ltr" class=3D"">What do you
                                  racers like for front pads on your
                                  Spits and GT6s?</div>
                                <div dir=3D"ltr" class=3D""><br =
class=3D"">
                                </div>
                                <div dir=3D"ltr" class=3D"">Thanks in
                                  advance,</div>
                                <div dir=3D"ltr" class=3D""><br =
class=3D"">
                                </div>
                                <div dir=3D"ltr" class=3D"">Mark =
Fisher</div>
                                <div dir=3D"ltr" class=3D""><br =
class=3D"">
                                </div>
                              </div>
                            </div>
                          </div>
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--===============7808649902818070227==--

---

From: fubog1 via Fot <[email-masked]>
Date: Wed, 3 Jul 2024 19:44:52 +0000 (UTC)

--===============7586879462405793898==
	boundary="----=_Part_830041_2034926043.1720035892970"

------=_Part_830041_2034926043.1720035892970
Content-Transfer-Encoding: quoted-printable

 The rotor speed is obviously the same inside & out but in terms of the swe=
pt area of the pad, as you move out from the centerline, the larger diamete=
r means that the speed of the disc relative to the pad increases, more heat=
, higher wear.I have all of mine tapered straight down the sides, no angle =
cut @ bottom, but that serves the same function.Once you get the taper righ=
t, you can use all of the pad...
Glen Efinger

    On Wednesday, July 3, 2024 at 03:11:30 PM EDT, JS Performance Motoring,=
 LLC <[email-masked]> wrote:  =20

 Hi Scott,=C2=A0 =C2=A0 =C2=A0 I've attached a picture showing what I was r=
eferring to as far as pad shape.
I've started rotating between two sets of pads each race weekend.=C2=A0 I t=
rue them up between races.=C2=A0 =C2=A0It's not extreme, but there's enough=
 taper wear during half of a weekend that I notice a slightly better pedal =
feel after swapping=C2=A0them out.=C2=A0=C2=A0

Jason SukeyJS Performance Motoring, LLC
[email-masked]
https://www.facebook.com/JSPerformanceMotoring/

OK, I=E2=80=99m confused and hoping to learn something here.I agree, the pa=
ds wear more on the outside, I=E2=80=99m guessing in part also due to the h=
igher velocity of the rotor at that point, in addition to the heat - relate=
d issues.However, if you get the friction material shaped as a trapezoid, d=
oesn=E2=80=99t that result in either:a) the piston stays square, the back o=
f the pad stays square against the piston, and the outer edge of the pad is=
 the only part contacting the rotor and it just wears down until there is f=
ull contact, orb) the pad surface rests square against the rotor, the back =
of the pad is at an angle, forcing the piston to cock in the bore and causi=
ng more wear on those parts?
Personally, when the pads get worn to the point where there is noticeable t=
aper, I generally have found they are well more than half gone and I just r=
eplace them.=C2=A0 I like my brakes to be at max performance.=C2=A0 Same de=
al with rotors - especially stock ones are cheap for these cars, though I h=
ave gotten to splurging on the grooved, dimpled ones that do seem to provid=
e a bit better braking and longer life of all components.

On Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via Fot <fot@auto=
x.team.net> wrote:
Glen, great point!
Seems that many race pad manufacturers=C2=A0try to give us the most materia=
l for our money with a big, rectangular friction material puck.=C2=A0 This =
definitely=C2=A0works against us with the ancient, two piston calipers we r=
un.=C2=A0 More heat, and more surface speed out towards the edge of the rot=
or is a recipe for radial taper.
I've found with enough complaining, I can get them to change the shape of t=
he pad to a trapezoid, and it really does help as you say.=C2=A0 It doesn't=
 eliminate taper on my GT6 that's brutal on brakes, but it is a big step in=
 the right direction.
In lieu of a properly designed friction puck, I sometimes use a big file to=
 adjust the shape of the friction material to accomplish the same thing.
Running a thick spacer behind the pad as they wear down also helps keep the=
 pistons true to the bore, and reduces heat transfer to the fluid/seals.

Jason SukeyJS Performance Motoring, LLC
[email-masked]
https://www.facebook.com/JSPerformanceMotoring/

 Another point to consider re pad selection, & I don't see mentioned, is ma=
ke sure that the pads have the correct taper ie backer flat down, the profi=
le of the pad side should taper down towards the center of the disc/bottom =
of the pad to some degree, a trapezoid with the long side up, ie not be rec=
tangular shape.Reason is that a lot more heat is generated towards the OD o=
f the disc, & they'll wear more; having less friction surface towards the b=
ottom of the pad w/a taper evens the pad wear, & it won't develop the other=
 form of "taper", that usually requires that 1st brake pedal stab as the re=
ctangular shaped pads do as they wear.
This applies to all TRs.I've also seen many cases where "interchanges" don'=
t consider the shape of the pad, although the pads are dimensionally correc=
t & fit.
Glen Efinger

    On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fisher via Fot <fot@au=
tox.team.net> wrote:  =20

 Hi All:

rmancemotoring.com

 =20
------=_Part_830041_2034926043.1720035892970
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div class=3D"ydp8a438ae9yahoo-style-wrap" style=
=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">The rotor speed is obviously=
 the same inside &amp; out but in terms of the swept area of the pad, as yo=
u move out from the centerline, the larger diameter means that the speed of=
 the disc relative to the pad increases, more heat, higher wear.</div><div =
dir=3D"ltr" data-setdir=3D"false">I have all of mine tapered straight down =
the sides, no angle cut @ bottom, but that serves the same function.</div><=
div dir=3D"ltr" data-setdir=3D"false">Once you get the taper right, you can=
 use all of the pad...</div><div dir=3D"ltr" data-setdir=3D"false"><br></di=
v><div dir=3D"ltr" data-setdir=3D"false">Glen Efinger<br></div><div><br></d=
iv>
       =20
        </div><div id=3D"ydpedcff61yahoo_quoted_0336196563" class=3D"ydpedc=
ff61yahoo_quoted"><div class=3D"ydpedcff61yahoo-style-wrap" style=3D"font-f=
amily:Arial, Helvetica, sans-serif;font-size:16px;">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div class=3D"ydpedcff61quoted-text-header">
                        On Wednesday, July 3, 2024 at 03:11:30 PM EDT, JS P=
erformance Motoring, LLC &lt;[email-masked]&gt; wrote:
                    </div>
                </div><div style=3D"font-family:'Helvetica Neue', Helvetica=
, Arial, sans-serif;font-size:13px;color:#26282a;border-left: 1px solid #cc=
c;padding-left: 8px;margin: 0px 0px 0px 8px" class=3D"ydpedcff61inline_repl=
y_quote_container" data-split-quote-node=3D"true">
                <div><br></div><div><br></div>
                <div><div id=3D"ydpedcff61yiv8455494798"><div><div dir=3D"l=
tr">Hi Scott,<div>&nbsp; &nbsp; &nbsp; I've attached a picture showing what=
 I was referring to as far as pad shape.</div><div><br clear=3D"none"></div=
><div>I've started rotating between two sets of pads each race weekend.&nbs=
p; I true them up between races.&nbsp; &nbsp;It's not extreme, but there's =
enough taper wear during half of a weekend that I notice a slightly better =
pedal feel after swapping&nbsp;them out.&nbsp;&nbsp;</div><div><br clear=3D=
"none"></div><div><br clear=3D"all"><div><div dir=3D"ltr" class=3D"ydpedcff=
61yiv8455494798gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div=
><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div>Jason Sukey</div><=
div><span></span><span></span>JS Performance Motoring, LLC<br clear=3D"none=
"></div><div>440.984.7720</div><div><a shape=3D"rect" href=3D"mailto:jason@=
jsperformancemotoring.com" rel=3D"nofollow" target=3D"_blank">jason@jsperfo=
rmancemotoring.com</a><br clear=3D"none"></div><div><a shape=3D"rect" href=
=3D"https://www.facebook.com/JSPerformanceMotoring/" rel=3D"nofollow" targe=
t=3D"_blank">https://www.facebook.com/JSPerformanceMotoring/</a><br clear=
=3D"none"></div></div></div></div></div></div></div></div></div></div><br c=
lear=3D"none"></div></div><br clear=3D"none"><div id=3D"ydpedcff61yiv845549=
4798yqt33420" class=3D"ydpedcff61yiv8455494798yqt9326623096"><div class=3D"=
ydpedcff61yiv8455494798gmail_quote"><div dir=3D"ltr" class=3D"ydpedcff61yiv=
8455494798gmail_attr">On Wed, Jul 3, 2024 at 2:51=E2=80=AFPM Scott Janzen &=
lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"nofollow" target=
=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D"none"></div><blockquo=
te style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)=
;padding-left:1ex;" class=3D"ydpedcff61yiv8455494798gmail_quote"><div>OK, I=
=E2=80=99m confused and hoping to learn something here.<div>I agree, the pa=
ds wear more on the outside, I=E2=80=99m guessing in part also due to the h=
igher velocity of the rotor at that point, in addition to the heat - relate=
d issues.</div><div>However, if you get the friction material shaped as a t=
rapezoid, doesn=E2=80=99t that result in either:</div><div>a) the piston st=
ays square, the back of the pad stays square against the piston, and the ou=
ter edge of the pad is the only part contacting the rotor and it just wears=
 down until there is full contact, or</div><div>b) the pad surface rests sq=
uare against the rotor, the back of the pad is at an angle, forcing the pis=
ton to cock in the bore and causing more wear on those parts?</div><div><br=
 clear=3D"none"></div><div>Personally, when the pads get worn to the point =
where there is noticeable taper, I generally have found they are well more =
than half gone and I just replace them.&nbsp; I like my brakes to be at max=
 performance.&nbsp; Same deal with rotors - especially stock ones are cheap=
 for these cars, though I have gotten to splurging on the grooved, dimpled =
ones that do seem to provide a bit better braking and longer life of all co=
mponents.<br clear=3D"none"><div><br clear=3D"none"><div>On Jul 3, 2024, at=
 12:25 PM, JS Performance Motoring, LLC via Fot &lt;<a shape=3D"rect" href=
=3D"mailto:[email-masked]" rel=3D"nofollow" target=3D"_blank">fot@autox=
.team.net</a>&gt; wrote:</div><br clear=3D"none"><div><div dir=3D"ltr">Glen=
, great point!<div><br clear=3D"none"></div><div>Seems that many race pad m=
anufacturers&nbsp;try to give us the most material for our money with a big=
, rectangular friction material puck.&nbsp; This definitely&nbsp;works agai=
nst us with the ancient, two piston calipers we run.&nbsp; More heat, and m=
ore surface speed out towards the edge of the rotor is a recipe for radial =
taper.</div><div><br clear=3D"none"></div><div>I've found with enough compl=
aining, I can get them to change the shape of the pad to a trapezoid, and i=
t really does help as you say.&nbsp; It doesn't eliminate taper on my GT6 t=
hat's brutal on brakes, but it is a big step in the right direction.</div><=
div><br clear=3D"none"></div><div>In lieu of a properly designed friction p=
uck, I sometimes use a big file to adjust the shape of the friction materia=
l to accomplish the same thing.</div><div><br clear=3D"none"></div><div>Run=
ning a thick spacer behind the pad as they wear down also helps keep the pi=
stons true to the bore, and reduces heat transfer to the fluid/seals.</div>=
<div><br clear=3D"none"></div><div><br clear=3D"none"></div><div><div><div =
dir=3D"ltr" class=3D"ydpedcff61yiv8455494798gmail_signature"><div dir=3D"lt=
r"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D=
"ltr"><div>Jason Sukey</div><div><span></span><span></span>JS Performance M=
otoring, LLC<br clear=3D"none"></div><div>440.984.7720</div><div><a shape=
=3D"rect" href=3D"mailto:[email-masked]" rel=3D"nofollow" =
target=3D"_blank">[email-masked]</a><br clear=3D"none"></d=
iv><div><a shape=3D"rect" href=3D"https://www.facebook.com/JSPerformanceMot=
oring/" rel=3D"nofollow" target=3D"_blank">https://www.facebook.com/JSPerfo=
rmanceMotoring/</a><br clear=3D"none"></div></div></div></div></div></div><=
/div></div></div></div><br clear=3D"none"></div></div><br clear=3D"none"><d=
iv class=3D"ydpedcff61yiv8455494798gmail_quote"><div dir=3D"ltr" class=3D"y=
dpedcff61yiv8455494798gmail_attr">On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM f=
ubog1 via Fot &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=
=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=
=3D"none"></div><blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px solid rgb(204,204,204);padding-left:1ex;" class=3D"ydpedcff61yiv84554947=
98gmail_quote"><div><div style=3D"font-family:Arial, Helvetica, sans-serif;=
font-size:16px;"><div></div>
        <div dir=3D"ltr">Another point to consider re pad selection, &amp; =
I don't see mentioned, is make sure that the pads have the correct taper ie=
 backer flat down, the profile of the pad side should taper down towards th=
e center of the disc/bottom of the pad to some degree, a trapezoid with the=
 long side up, ie not be rectangular shape.</div><div dir=3D"ltr">Reason is=
 that a lot more heat is generated towards the OD of the disc, &amp; they'l=
l wear more; having less friction surface towards the bottom of the pad w/a=
 taper evens the pad wear, &amp; it won't develop the other form of "taper"=
, that usually requires that 1st brake pedal stab as the rectangular shaped=
 pads do as they wear.<br clear=3D"none"></div><div dir=3D"ltr">This applie=
s to all TRs.</div><div dir=3D"ltr">I've also seen many cases where "interc=
hanges" don't consider the shape of the pad, although the pads are dimensio=
nally correct &amp; fit.</div><div dir=3D"ltr"><br clear=3D"none"></div><di=
v dir=3D"ltr">Glen Efinger<br clear=3D"none"></div><div><br clear=3D"none">=
</div>
       =20
        </div><div id=3D"ydpedcff61yiv8455494798m_1767234530914675755m_-287=
1832781424524163ydp23b6118fyahoo_quoted_0565246479"><div style=3D"font-fami=
ly:Arial, Helvetica, sans-serif;font-size:16px;">
            <div style=3D"font-family:Helvetica, Arial, sans-serif;font-siz=
e:13px;color:rgb(38,40,42);">
               =20
                <div>
                        On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fi=
sher via Fot &lt;<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=
=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt; wrote:
                    </div>
                </div><div style=3D"font-family:Helvetica, Arial, sans-seri=
f;font-size:13px;color:rgb(38,40,42);border-left:1px solid rgb(204,204,204)=
;padding-left:8px;margin:0px 0px 0px 8px;">
                <div><br clear=3D"none"></div><div><br clear=3D"none"></div=
                <div><div id=3D"ydpedcff61yiv8455494798m_176723453091467575=
5m_-2871832781424524163ydp23b6118fyiv3112983551"><div><div style=3D"font-fa=
mily:new times, serif;font-size:18px;"><div dir=3D"ltr">Hi All:</div><div d=
ir=3D"ltr"><br clear=3D"none"></div><div dir=3D"ltr">What do you racers lik=
e for front pads on your Spits and GT6s?</div><div dir=3D"ltr"><br clear=3D=
"none"></div><div dir=3D"ltr">Thanks in advance,</div><div dir=3D"ltr"><br =
clear=3D"none"></div><div dir=3D"ltr">Mark Fisher</div><div dir=3D"ltr"><br=
 clear=3D"none"></div></div></div></div>___________________________________=
____________<br clear=3D"none"><a shape=3D"rect" href=3D"mailto:[email-masked]=
eam.net" rel=3D"nofollow" target=3D"_blank">[email-masked]</a><br clear=
=3D"none"><br clear=3D"none"><a shape=3D"rect" href=3D"http://www.fot-racin=
g.com/" rel=3D"nofollow" target=3D"_blank">http://www.fot-racing.com</a><br=
 clear=3D"none"><br clear=3D"none">Donate: <a shape=3D"rect" href=3D"http:/=
/www.team.net/donate.html" rel=3D"nofollow" target=3D"_blank">http://www.te=
am.net/donate.html</a><br clear=3D"none">Archive: <a shape=3D"rect" href=3D=
"http://autox.team.net/archive" rel=3D"nofollow" target=3D"_blank">http://a=
utox.team.net/archive</a> <a shape=3D"rect" href=3D"http://www.team.net/pip=
ermail/fot" rel=3D"nofollow" target=3D"_blank">http://www.team.net/pipermai=
l/fot</a><br clear=3D"none">Unsubscribe/Manage: <a shape=3D"rect" href=3D"h=
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a><br clear=3D"none"><br clear=3D"none"><br clear=3D"none"></div>
            </div>
        </div></div></div>_______________________________________________<b=
r clear=3D"none">
<a shape=3D"rect" href=3D"mailto:[email-masked]" rel=3D"nofollow" targe=
t=3D"_blank">[email-masked]</a><br clear=3D"none">
<br clear=3D"none">
<a shape=3D"rect" href=3D"http://www.fot-racing.com/" rel=3D"nofollow" targ=
et=3D"_blank">http://www.fot-racing.com</a><br clear=3D"none">
<br clear=3D"none">
ofollow" target=3D"_blank">http://www.team.net/donate.html</a><br clear=3D"=
none">
Archive: <a shape=3D"rect" href=3D"http://autox.team.net/archive" rel=3D"no=
follow" target=3D"_blank">http://autox.team.net/archive</a> <a shape=3D"rec=
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toring.com</a><br clear=3D"none">
<br clear=3D"none">
<br clear=3D"none">
</blockquote></div>
_______________________________________________<br clear=3D"none"><a shape=
=3D"rect" href=3D"mailto:[email-masked]" rel=3D"nofollow" target=3D"_bl=
ank">[email-masked]</a><br clear=3D"none"><br clear=3D"none"><a shape=
=3D"rect" href=3D"http://www.fot-racing.com" rel=3D"nofollow" target=3D"_bl=
ank">http://www.fot-racing.com</a><br clear=3D"none"><br clear=3D"none">Don=
ate: <a shape=3D"rect" href=3D"http://www.team.net/donate.html" rel=3D"nofo=
llow" target=3D"_blank">http://www.team.net/donate.html</a><br clear=3D"non=
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e></div></div>
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--===============7586879462405793898==--

---

From: fubog1 via Fot <[email-masked]>
Date: Wed, 3 Jul 2024 19:46:59 +0000 (UTC)

--===============3294249135427675390==
	boundary="----=_Part_832612_1699063541.1720036019676"

------=_Part_832612_1699063541.1720036019676
Content-Transfer-Encoding: quoted-printable

 Yes Tony exactly!No we don't want a thickness change, that's the problem!

Glen Efinger

    On Wednesday, July 3, 2024 at 03:29:16 PM EDT, Tony Drews via Fot <fot@=
autox.team.net> wrote:  =20

 =20
I think they are talking the shape of the periphery of the friction materia=
l, not the thickness.=C2=A0 Same thickness inside rotor to outside rotor, b=
ut "shorter" pad material closer to the center of the rotor.=C2=A0 Shaped l=
ike=20
=20
=20
\_/
=20
Piston / brake pad is flat to the rotor.
=20
=20
Cheers, Tony
=20
 On 7/3/2024 1:51 PM, Scott Janzen via Fot wrote:
 =20
=20
 OK, I=E2=80=99m confused and hoping to learn something here. I agree, the =
pads wear more on the outside, I=E2=80=99m guessing in part also due to the=
 higher velocity of the rotor at that point, in addition to the heat - rela=
ted issues. However, if you get the friction material shaped as a trapezoid=
, doesn=E2=80=99t that result in either: a) the piston stays square, the ba=
ck of the pad stays square against the piston, and the outer edge of the pa=
d is the only part contacting the rotor and it just wears down until there =
is full contact, or b) the pad surface rests square against the rotor, the =
back of the pad is at an angle, forcing the piston to cock in the bore and =
causing more wear on those parts?=20
  Personally, when the pads get worn to the point where there is noticeable=
 taper, I generally have found they are well more than half gone and I just=
 replace them. =C2=A0I like my brakes to be at max performance. =C2=A0Same =
deal with rotors - especially stock ones are cheap for these cars, though I=
 have gotten to splurging on the grooved, dimpled ones that do seem to prov=
ide a bit better braking and longer life of all components.
=20
 On Jul 3, 2024, at 12:25 PM, JS Performance Motoring, LLC via Fot <fot@aut=
ox.team.net> wrote:=20
  Glen, great point!=20
  Seems that many race pad manufacturers=C2=A0try to give us the most mater=
ial for our money with a big, rectangular friction material puck.=C2=A0 Thi=
s definitely=C2=A0works against us with the ancient, two piston calipers we=
 run.=C2=A0 More heat, and more surface speed out towards the edge of the r=
otor is a recipe for radial taper.=20
  I've found with enough complaining, I can get them to change the shape of=
 the pad to a trapezoid, and it really does help as you say.=C2=A0 It doesn=
't eliminate taper on my GT6 that's brutal on brakes, but it is a big step =
in the right direction.=20
  In lieu of a properly designed friction puck, I sometimes use a big file =
to adjust the shape of the friction material to accomplish the same thing.=
=20
  Running a thick spacer behind the pad as they wear down also helps keep t=
he pistons true to the bore, and reduces heat transfer to the fluid/seals.=
=20
 =20
            Jason Sukey JS Performance Motoring, LLC
  440.984.7720 [email-masked]
  https://www.facebook.com/JSPerformanceMotoring/
          =20
  =20
  On Wed, Jul 3, 2024 at 12:14=E2=80=AFPM fubog1 via Fot <[email-masked]=
t> wrote:
 =20
   Another point to consider re pad selection, & I don't see mentioned, is =
make sure that the pads have the correct taper ie backer flat down, the pro=
file of the pad side should taper down towards the center of the disc/botto=
m of the pad to some degree, a trapezoid with the long side up, ie not be r=
ectangular shape. Reason is that a lot more heat is generated towards the O=
D of the disc, & they'll wear more; having less friction surface towards th=
e bottom of the pad w/a taper evens the pad wear, & it won't develop the ot=
her form of "taper", that usually requires that 1st brake pedal stab as the=
 rectangular shaped pads do as they wear.
  This applies to all TRs. I've also seen many cases where "interchanges" d=
on't consider the shape of the pad, although the pads are dimensionally cor=
rect & fit.=20
  Glen Efinger
 =20
       On Monday, July 1, 2024 at 04:43:42 PM EDT, Mark Fisher via Fot <fot=
@autox.team.net> wrote:   =20
 =20
      Hi All:=20
  What do you racers like for front pads on your Spits and GT6s?=20
  Thanks in advance,=20
  Mark Fisher=20
    _______________________________________________
 [email-masked]
=20
 http://www.fot-racing.com
=20
 Donate: http://www.team.net/donate.html
 Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
 Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/[email-masked]=
om
=20
=20
      _______________________________________________
 [email-masked]
=20
 http://www.fot-racing.com
=20
 Donate: http://www.team.net/donate.html
 Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
 Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/jason@jsperf=
ormancemotoring.com
=20
=20
=20
  _______________________________________________
 [email-masked]
=20
 http://www.fot-racing.com
=20
 Donate: http://www.team.net/donate.html
 Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
 Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/[email-masked]=
om
=20
=20
  =20
 =20
  [email-masked]://w=
ww.fot-racing.comDonate: http://www.team.net/donate.htmlArchive: http://aut=
ox.team.net/archive http://www.team.net/pipermail/fotUnsubscribe/Manage: ht=
tp://autox.team.net/mailman/options/fot/[email-masked] ________________=
_______________________________
[email-masked]

 =20
------=_Part_832612_1699063541.1720036019676
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div class=3D"ydpcb18a081yahoo-style-wrap" style=
=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">Yes Tony exactly!</div><div =
dir=3D"ltr" data-setdir=3D"false">No we don't want a thickness change, that=
's the problem<img title=3D"Emoji" alt=3D"Emoji" class=3D"yahoo-emoji-wrapp=
er" height=3D"16" src=3D"https://s.yimg.com/nq/yemoji_assets/latest/yemoji_=
assets/1f923.png" style=3D"padding: 0px 2px; vertical-align: middle;" width=
=3D"16" data-inlineimagemanipulating=3D"true"><img title=3D"Emoji" alt=3D"E=
moji" class=3D"yahoo-emoji-wrapper" height=3D"16" src=3D"https://s.yimg.com=
/nq/yemoji_assets/latest/yemoji_assets/1f923.png" style=3D"padding: 0px 2px=
; vertical-align: middle;" width=3D"16" data-inlineimagemanipulating=3D"tru=
e">!<br></div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"=
ltr" data-setdir=3D"false">Glen Efinger<br></div><div><br></div>
       =20
        </div><div id=3D"ydpfddf9cb4yahoo_quoted_0923374892" class=3D"ydpfd=
df9cb4yahoo_quoted"><div class=3D"ydpfddf9cb4yahoo-style-wrap" style=3D"fon=
t-family:Arial, Helvetica, sans-serif;font-size:16px;">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div class=3D"ydpfddf9cb4quoted-text-header">
                        On Wednesday, July 3, 2024 at 03:29:16 PM EDT, Tony=
 Drews via Fot &lt;[email-masked]&gt; wrote:
                    </div>
                </div><div style=3D"font-family:'Helvetica Neue', Helvetica=
, Arial, sans-serif;font-size:13px;color:#26282a;border-left: 1px solid #cc=
c;padding-left: 8px;margin: 0px 0px 0px 8px" class=3D"ydpfddf9cb4inline_rep=
ly_quote_container" data-split-quote-node=3D"true">
                <div><br></div><div><br></div>
                <div><div id=3D"ydpfddf9cb4yiv7778558541"><div>
    <p>I think they are talking the shape of the periphery of the
      friction material, not the thickness.&nbsp; Same thickness inside rot=
or
      to outside rotor, but "shorter" pad material closer to the center
      of the rotor.&nbsp; Shaped like <br clear=3D"none">
    </p>
    <p>\_/</p>
    <p>Piston / brake pad is flat to the rotor.<br clear=3D"none">
    </p>
    <p>Cheers, Tony<br clear=3D"none">
    </p>
    <div id=3D"ydpfddf9cb4yiv7778558541yqtfd23267" class=3D"ydpfddf9cb4yiv7=
778558541yqt4168727194"><div class=3D"ydpfddf9cb4yiv7778558541moz-cite-pref=
ix">On 7/3/2024 1:51 PM, Scott Janzen via
      Fot wrote:<br clear=3D"none">
    </div>
    <blockquote type=3D"cite">
      </blockquote></div></div><div id=3D"ydpfddf9cb4yiv7778558541yqtfd5836=
6" class=3D"ydpfddf9cb4yiv7778558541yqt4168727194"></div><div><div id=3D"yd=
pfddf9cb4yiv7778558541yqtfd56717" class=3D"ydpfddf9cb4yiv7778558541yqt41687=
27194">
      OK, I=E2=80=99m confused and hoping to learn something here.
      <div class=3D"ydpfddf9cb4yiv7778558541">I agree, the pads wear more o=
n the outside, I=E2=80=99m
        guessing in part also due to the higher velocity of the rotor at
        that point, in addition to the heat - related issues.</div>
      <div class=3D"ydpfddf9cb4yiv7778558541">However, if you get the frict=
ion material shaped as
        a trapezoid, doesn=E2=80=99t that result in either:</div>
      <div class=3D"ydpfddf9cb4yiv7778558541">a) the piston stays square, t=
he back of the pad
        stays square against the piston, and the outer edge of the pad
        is the only part contacting the rotor and it just wears down
        until there is full contact, or</div>
      <div class=3D"ydpfddf9cb4yiv7778558541">b) the pad surface rests squa=
re against the rotor,
        the back of the pad is at an angle, forcing the piston to cock
        in the bore and causing more wear on those parts?</div>
      <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" class=3D"y=
dpfddf9cb4yiv7778558541">
      </div>
      <div class=3D"ydpfddf9cb4yiv7778558541">Personally, when the pads get=
 worn to the point
        where there is noticeable taper, I generally have found they are
        well more than half gone and I just replace them. &nbsp;I like my
        brakes to be at max performance. &nbsp;Same deal with rotors -
        especially stock ones are cheap for these cars, though I have
        gotten to splurging on the grooved, dimpled ones that do seem to
        provide a bit better braking and longer life of all components.<br =
clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
        <div><br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
          <div class=3D"ydpfddf9cb4yiv7778558541">On Jul 3, 2024, at 12:25 =
PM, JS Performance
            Motoring, LLC via Fot &lt;<a shape=3D"rect" href=3D"mailto:fot@=
autox.team.net" class=3D"ydpfddf9cb4yiv7778558541moz-txt-link-freetext" rel=
=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt;
            wrote:</div>
          <br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541Apple-interch=
ange-newline">
          <div class=3D"ydpfddf9cb4yiv7778558541">
            <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">Glen, great=
 point!
              <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" cl=
ass=3D"ydpfddf9cb4yiv7778558541">
              </div>
              <div class=3D"ydpfddf9cb4yiv7778558541">Seems that many race =
pad manufacturers&nbsp;try
                to give us the most material for our money with a big,
                rectangular friction material puck.&nbsp; This
                definitely&nbsp;works against us with the ancient, two pist=
on
                calipers we run.&nbsp; More heat, and more surface speed ou=
t
                towards the edge of the rotor is a recipe for radial
                taper.</div>
              <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" cl=
ass=3D"ydpfddf9cb4yiv7778558541">
              </div>
              <div class=3D"ydpfddf9cb4yiv7778558541">I've found with enoug=
h complaining, I can
                get them to change the shape of the pad to a trapezoid,
                and it really does help as you say.&nbsp; It doesn't
                eliminate taper on my GT6 that's brutal on brakes, but
                it is a big step in the right direction.</div>
              <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" cl=
ass=3D"ydpfddf9cb4yiv7778558541">
              </div>
              <div class=3D"ydpfddf9cb4yiv7778558541">In lieu of a properly=
 designed friction
                puck, I sometimes use a big file to adjust the shape of
                the friction material to accomplish the same thing.</div>
              <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" cl=
ass=3D"ydpfddf9cb4yiv7778558541">
              </div>
              <div class=3D"ydpfddf9cb4yiv7778558541">Running a thick space=
r behind the pad as
                they wear down also helps keep the pistons true to the
                bore, and reduces heat transfer to the fluid/seals.</div>
              <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" cl=
ass=3D"ydpfddf9cb4yiv7778558541">
              </div>
              <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"none" cl=
ass=3D"ydpfddf9cb4yiv7778558541">
              </div>
              <div class=3D"ydpfddf9cb4yiv7778558541">
                <div class=3D"ydpfddf9cb4yiv7778558541">
                  <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541gmail_s=
ignature">
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">
                      <div class=3D"ydpfddf9cb4yiv7778558541">
                        <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541"=
                          <div class=3D"ydpfddf9cb4yiv7778558541">
                            <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558=
541">
                              <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv77785=
58541">
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541">
                                  <div class=3D"ydpfddf9cb4yiv7778558541">J=
ason Sukey</div>
                                  <div class=3D"ydpfddf9cb4yiv7778558541"><=
span class=3D"ydpfddf9cb4yiv7778558541"></span><span class=3D"ydpfddf9cb4yi=
v7778558541"></span>JS Performance
                                    Motoring, LLC<br clear=3D"none" class=
=3D"ydpfddf9cb4yiv7778558541">
                                  </div>
                                  <div class=3D"ydpfddf9cb4yiv7778558541">4=
40.984.7720</div>
                                  <div class=3D"ydpfddf9cb4yiv7778558541"><=
a shape=3D"rect" href=3D"mailto:[email-masked]" class=3D"y=
dpfddf9cb4yiv7778558541moz-txt-link-freetext" rel=3D"nofollow" target=3D"_b=
lank">[email-masked]</a><br clear=3D"none" class=3D"ydpfdd=
f9cb4yiv7778558541">
                                  </div>
                                  <div class=3D"ydpfddf9cb4yiv7778558541"><=
a shape=3D"rect" href=3D"https://www.facebook.com/JSPerformanceMotoring/" c=
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                </div>
                <br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
              </div>
            </div>
            <br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
            <div class=3D"ydpfddf9cb4yiv7778558541gmail_quote">
              <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541gmail_attr"=
>On Wed, Jul 3, 2024 at
                12:14=E2=80=AFPM fubog1 via Fot &lt;<a shape=3D"rect" href=
=3D"mailto:[email-masked]" class=3D"ydpfddf9cb4yiv7778558541moz-txt-lin=
k-freetext" rel=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt;
                wrote:<br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541"=
              </div>
              <blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
 solid rgb(204,204,204);padding-left:1ex;" class=3D"ydpfddf9cb4yiv777855854=
1gmail_quote">
                <div class=3D"ydpfddf9cb4yiv7778558541">
                  <div style=3D"font-family:Arial, Helvetica, sans-serif;fo=
nt-size:16px;" class=3D"ydpfddf9cb4yiv7778558541">
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">Ano=
ther point to consider re
                      pad selection, &amp; I don't see mentioned, is
                      make sure that the pads have the correct taper ie
                      backer flat down, the profile of the pad side
                      should taper down towards the center of the
                      disc/bottom of the pad to some degree, a trapezoid
                      with the long side up, ie not be rectangular
                      shape.</div>
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">Rea=
son is that a lot more
                      heat is generated towards the OD of the disc,
                      &amp; they'll wear more; having less friction
                      surface towards the bottom of the pad w/a taper
                      evens the pad wear, &amp; it won't develop the
                      other form of "taper", that usually requires that
                      1st brake pedal stab as the rectangular shaped
                      pads do as they wear.<br clear=3D"none" class=3D"ydpf=
ddf9cb4yiv7778558541">
                    </div>
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">Thi=
s applies to all TRs.</div>
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">I'v=
e also seen many cases
                      where "interchanges" don't consider the shape of
                      the pad, although the pads are dimensionally
                      correct &amp; fit.</div>
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541"><br=
 clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                    </div>
                    <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv7778558541">Gle=
n Efinger<br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                    </div>
                    <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=3D"no=
ne" class=3D"ydpfddf9cb4yiv7778558541">
                    </div>
                  </div>
                  <div id=3D"ydpfddf9cb4yiv7778558541m_-2871832781424524163=
ydp23b6118fyahoo_quoted_0565246479" class=3D"ydpfddf9cb4yiv7778558541">
                    <div style=3D"font-family:Arial, Helvetica, sans-serif;=
font-size:16px;" class=3D"ydpfddf9cb4yiv7778558541">
                      <div style=3D"font-family:Helvetica, Arial, sans-seri=
f;font-size:13px;color:rgb(38,40,42);" class=3D"ydpfddf9cb4yiv7778558541">
                        <div class=3D"ydpfddf9cb4yiv7778558541"> On Monday,=
 July 1, 2024 at
                          04:43:42 PM EDT, Mark Fisher via Fot &lt;<a shape=
=3D"rect" href=3D"mailto:[email-masked]" class=3D"ydpfddf9cb4yiv7778558=
541moz-txt-link-freetext" rel=3D"nofollow" target=3D"_blank">[email-masked]=
.net</a>&gt;
                          wrote: </div>
                      </div>
                      <div style=3D"font-family:Helvetica, Arial, sans-seri=
f;font-size:13px;color:rgb(38,40,42);border-left:1px solid rgb(204,204,204)=
;padding-left:8px;margin:0px 0px 0px 8px;" class=3D"ydpfddf9cb4yiv777855854=
1">
                        <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=
=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                        </div>
                        <div class=3D"ydpfddf9cb4yiv7778558541"><br clear=
=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                        </div>
                        <div class=3D"ydpfddf9cb4yiv7778558541">
                          <div id=3D"ydpfddf9cb4yiv7778558541m_-28718327814=
24524163ydp23b6118fyiv3112983551" class=3D"ydpfddf9cb4yiv7778558541">
                            <div class=3D"ydpfddf9cb4yiv7778558541">
                              <div style=3D"font-family:new times, serif;fo=
nt-size:18px;" class=3D"ydpfddf9cb4yiv7778558541">
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541">Hi All:</div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541"><br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                                </div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541">What do you
                                  racers like for front pads on your
                                  Spits and GT6s?</div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541"><br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                                </div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541">Thanks in
                                  advance,</div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541"><br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                                </div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541">Mark Fisher</div>
                                <div dir=3D"ltr" class=3D"ydpfddf9cb4yiv777=
8558541"><br clear=3D"none" class=3D"ydpfddf9cb4yiv7778558541">
                                </div>
                              </div>
                            </div>
                          </div>
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      </div><pre class=3D"ydpfddf9cb4yiv7778558541moz-quote-pre"><div id=3D=
"ydpfddf9cb4yiv7778558541yqtfd64301" class=3D"ydpfddf9cb4yiv7778558541yqt41=
68727194">_______________________________________________
<a shape=3D"rect" href=3D"mailto:[email-masked]" class=3D"ydpfddf9cb4yi=
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