Subject: [Fot] Quartermaster Clutches

From: marty via Fot <[email-masked]>
Date: Thu, 18 Apr 2019 15:46:39 +0000

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Looking for some clutch help. I recently disassembled a quartermaster Pro 7=
.25 single disc clutch, not from my car. I have no experience with this sty=
le of clutch. Upon disassembly I observe that the flywheel insert, clutch d=
isc and pressure plate only have had contact on the outer 3/8 " diameter.  =
Upon further investigation the flywheel insert surface is flat. The clutch =
surface thickness is uniform but if I lay a straight edge across the face o=
f the Quartermaster pressure plate  it cups outward. My initial thought was=
 "bingo" this would cause the wear pattern I am observing. Must be somethin=
g out of whack with the pressure plate insert.  I contacted quartermaster a=
nd described what I saw and they were not much help other than "something m=
ust be warped". I was getting ready to order a replacement pressure plate i=
nsert but I stopped over to Jason's shop and saw that he was working on a c=
ar that also ran a quartermaster Pro 7.25 clutch but this was a double disc=
. I took it apart and all components had even wear across the faces as one =
would expect.  I layed a straight edge across the pressure plate out of thi=
s assembly expecting to see a flat contact surface and was surprised to see=
 the same cupped condition where the outer pressure plate surface would con=
tact the clutch disc first as the one at home. Now I am at a loss as to wha=
t would cause this improper wear pattern. Any experience with this?

Marty

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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-=
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<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
<span>Looking for some clutch help. I recently disassembled a quartermaster=
 Pro 7.25 single disc clutch, not from my car. I have no experience with th=
is style of clutch. Upon disassembly I observe that the flywheel insert, cl=
utch disc and pressure plate only
 have had contact on the outer 3/8 &quot; diameter.&nbsp; Upon further inve=
stigation the flywheel insert surface is flat. The clutch surface thickness=
 is uniform but if I lay a straight edge across the face of the Quartermast=
er pressure plate&nbsp; it cups outward. My initial
 thought was &quot;bingo&quot; this would cause the wear pattern I am obser=
ving. Must be something out of whack with the pressure plate insert.&nbsp; =
I contacted quartermaster and described what I saw and they were not much h=
elp other than &quot;something must be warped&quot;. I was
 getting ready to order a replacement pressure plate insert but I stopped o=
ver to Jason's shop and saw that he was working on a car that also ran a qu=
artermaster Pro 7.25 clutch but this was a double disc. I took it apart and=
 all components had even wear across
 the faces as one would expect.&nbsp; I layed a straight edge across the pr=
essure plate out of this assembly expecting to see a flat contact surface a=
nd was surprised to see the same cupped condition where the outer pressure =
plate surface would contact the clutch
 disc first as the one at home. Now I am at a loss as to what would cause t=
his improper wear pattern. Any experience with this?</span></div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
<span><br>
</span></div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
<span>Marty</span></div>
</body>
</html>

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_______________________________________________
[email-masked]

http://www.fot-racing.com

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot

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From: rek46 via Fot <[email-masked]>
Date: Thu, 18 Apr 2019 12:27:59 -0400

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 Have you tried calling them?...they were always very helpful to me,,sales,or ask for a tech guy...btw,what TOB are you using

Begin forwarded message:

 
>  
> From:   <marty via Fot>
>   Date:  Apr 18, 2019 at 11:46 AM
>   To:   <marty via Fot>
>   Subject: [Fot] Quartermaster Clutches
>  
>    
>   Looking for some clutch help. I recently disassembled a quartermaster Pro 7.25 single disc clutch, not from my car. I have no experience with this style of clutch. Upon disassembly I observe that the flywheel insert, clutch disc and pressure plate only have had contact on the outer 3/8 " diameter.    Upon further investigation the flywheel insert surface is flat. The clutch surface thickness is uniform but if I lay a straight edge across the face of the Quartermaster pressure plate    it cups outward. My initial thought was "bingo" this would cause the wear pattern I am observing. Must be something out of whack with the pressure plate insert.    I contacted quartermaster and described what I saw and they were not much help other than "something must be warped". I was getting ready to order a replacement pressure plate insert but I stopped over to Jason's shop and saw that he was working on a car that also ran a quartermaster Pro 7.25 clutch but this was a double disc. I took it a
part and all components had even wear across the faces as one would expect.    I layed a straight edge across the pressure plate out of this assembly expecting to see a flat contact surface and was surprised to see the same cupped condition where the outer pressure plate surface would contact the clutch disc first as the one at home. Now I am at a loss as to what would cause this improper wear pattern. Any experience with this?
>  
>  
>  
>   Marty
>  
>  
>  _______________________________________________ [email-masked] http://www.fot-racing.com 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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<div id=3D=22edo-message=22><div><br>Have you tried calling them=3F...the=
y were always very helpful to me,,sales,or ask for a tech guy...btw,what =
TOB are you using<br><br><div id=3D=22edo-signature=22></div><p>Begin for=
warded message:</p></div></div><div id=3D=22edo-original=22><div><blockqu=
ote type=3D=22cite=22><div id=3D=22edo-meta=22><b>=46rom: </b>&lt;<a href=
=3D=22mailto:fot=40autox.team.net=22>marty via =46ot</a>&gt;<br><b>Date: =
</b>Apr 18, 2019 at 11:46 AM<br><b>To: </b>&lt;<a href=3D=22mailto:fot=40=
autox.team.net=22>marty via =46ot</a>&gt;<br><b>Subject: =5B=46ot=5D Quar=
termaster Clutches</b><br><br></div>

<meta http-equiv=3D=22Content-Type=22 content=3D=22text/html; charset=3Di=
so-8859-1=22>
<style type=3D=22text/css=22 style=3D=22display:none;=22> P =7Bmargin-top=
:0;margin-bottom:0;=7D </style>

<div style=3D=22color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-=
serif; font-size: 12pt;=22>
<span>Looking for some clutch help. I recently disassembled a quartermast=
er Pro 7.25 single disc clutch, not from my car. I have no experience wit=
h this style of clutch. Upon disassembly I observe that the flywheel inse=
rt, clutch disc and pressure plate only
 have had contact on the outer 3/8 =22 diameter.&nbsp; Upon further inves=
tigation the flywheel insert surface is flat. The clutch surface thicknes=
s is uniform but if I lay a straight edge across the face of the Quarterm=
aster pressure plate&nbsp; it cups outward. My initial
 thought was =22bingo=22 this would cause the wear pattern I am observing=
. Must be something out of whack with the pressure plate insert.&nbsp; I =
contacted quartermaster and described what I saw and they were not much h=
elp other than =22something must be warped=22. I was
 getting ready to order a replacement pressure plate insert but I stopped=
 over to Jason's shop and saw that he was working on a car that also ran =
a quartermaster Pro 7.25 clutch but this was a double disc. I took it apa=
rt and all components had even wear across
 the faces as one would expect.&nbsp; I layed a straight edge across the =
pressure plate out of this assembly expecting to see a flat contact surfa=
ce and was surprised to see the same cupped condition where the outer pre=
ssure plate surface would contact the clutch
 disc first as the one at home. Now I am at a loss as to what would cause=
 this improper wear pattern. Any experience with this=3F</span></div>
<div style=3D=22color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-=
serif; font-size: 12pt;=22>
<span><br>
</span></div>
<div style=3D=22color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-=
serif; font-size: 12pt;=22>
<span>Marty</span></div>

<br><pre>=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=

fot=40autox.team.net

.com

</pre> =20
 <br> </blockquote></div></div>
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From: Steve Smith via Fot <[email-masked]>
Date: Thu, 18 Apr 2019 17:19:41 +0000 (UTC)

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I can envision the first contact between the plate and disc being at the ou=
ter edges of the cup being at high speed and as more of the plate comes int=
o contact there would be a progressively slower interface until both are ro=
tating at the same speed.
The cup will flatten as load is applied...?

-----Original Message-----
From: marty via Fot <[email-masked]>
To: DPPI - Mark Craig <[email-masked]>
Cc: [email-masked] <[email-masked]>
Sent: Thu, Apr 18, 2019 10:05 am
Subject: Re: [Fot] Quartermaster Clutches

#yiv6230478157 P {margin-top:0;margin-bottom:0;}Mark, my initial thoughts w=
ere the same as yours until I saw the other setup with uniform wear and tho=
ught that should be obtainable. But how?
Marty
From: DPPI - Mark Craig <[email-masked]>
Sent: Thursday, April 18, 2019 12:06 PM
To: marty
Cc: [email-masked]
Subject: RE: Quartermaster Clutches=C2=A0Yes same deal, my thought was what=
 the heck. Then I went well it=E2=80=99s not slipping so do I care. Been ru=
nning it ever since with no issues. Right or wrong it is working and I have=
 just gone with it as is??=C2=A0
|  | =C2=A0 | Mark Craig
Diesel Performance Parts, Inc.
411 Allied Drive, Nashville, TN 37211
www.dieselperformanceparts.com |
| =C2=A0=C2=A0 | =C2=A0 | =C2=A0Phone: 615-834-0066
Fax: 615-834-9923
Email: [email-masked]=C2=A0 |

=C2=A0=C2=A0From: Fot [mailto:[email-masked]]On Behalf Of marty=
 via Fot
Sent: Thursday, April 18, 2019 10:47 AM
To: [email-masked]
Subject: [Fot] Quartermaster Clutches=C2=A0Looking for some clutch help. I =
recently disassembled a quartermaster Pro 7.25 single disc clutch, not from=
 my car. I have no experience with this style of clutch. Upon disassembly I=
 observe that the flywheel insert, clutch disc and pressure plate only have=
 had contact on the outer 3/8 " diameter.=C2=A0 Upon further investigation =
the flywheel insert surface is flat. The clutch surface thickness is unifor=
m but if I lay a straight edge across the face of the Quartermaster pressur=
e plate=C2=A0 it cups outward. My initial thought was "bingo" this would ca=
use the wear pattern I am observing. Must be something out of whack with th=
e pressure plate insert.=C2=A0 I contacted quartermaster and described what=
 I saw and they were not much help other than "something must be warped". I=
 was getting ready to order a replacement pressure plate insert but I stopp=
ed over to Jason's shop and saw that he was working on a car that also ran =
a quartermaster Pro 7.25 clutch but this was a double disc. I took it apart=
 and all components had even wear across the faces as one would expect.=C2=
=A0 I layed a straight edge across the pressure plate out of this assembly =
expecting to see a flat contact surface and was surprised to see the same c=
upped condition where the outer pressure plate surface would contact the cl=
utch disc first as the one at home. Now I am at a loss as to what would cau=
se this improper wear pattern. Any experience with this?=C2=A0Marty________=
_______________________________________
[email-masked]

com

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<font color=3D'black' size=3D'2' face=3D'arial'>I can envision the first co=
ntact between the plate and disc being at the outer edges of the cup being =
at high speed and as more of the plate comes into contact there would be a =
progressively slower interface until both are rotating at the same speed.<b=
r>
The cup will flatten as load is applied...?<br>
<br>

<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br>
From: marty via Fot &lt;[email-masked]&gt;<br>
To: DPPI - Mark Craig &lt;[email-masked]&gt;<br>
Cc: [email-masked] &lt;[email-masked]&gt;<br>
Sent: Thu, Apr 18, 2019 10:05 am<br>
Subject: Re: [Fot] Quartermaster Clutches<br>
<br>

<div id=3D"yiv6230478157"><style type=3D"text/css">#yiv6230478157 P {margin=
-top:0;margin-bottom:0;}</style>
<div dir=3D"ltr">

<div style=3D"color:rgb(0, 0, 0);font-family:Calibri, Helvetica, sans-serif=
;font-size:12pt;">
<span>Mark, my initial thoughts were the same as yours until I saw the othe=
r setup with uniform wear and thought that should be obtainable. But how?</=
span></div>

<div style=3D"color:rgb(0, 0, 0);font-family:Calibri, Helvetica, sans-serif=
;font-size:12pt;">
<span><br clear=3D"none">
</span></div>

<div style=3D"color:rgb(0, 0, 0);font-family:Calibri, Helvetica, sans-serif=
;font-size:12pt;">
<span>Marty</span></div>

<div>

<div id=3D"yiv6230478157appendonsend"></div>

<div style=3D"color:rgb(0,0,0);font-family:Calibri, Helvetica, sans-serif;f=
ont-size:12pt;">
<br clear=3D"none">
</div>

<hr tabindex=3D"-1" style=3D"display:inline-block;width:98%;">

<div class=3D"yiv6230478157yqt9705278043" id=3D"yiv6230478157yqt99646">
<div dir=3D"ltr" id=3D"yiv6230478157divRplyFwdMsg"><font color=3D"#000000" =
face=3D"Calibri, sans-serif" style=3D"font-size:11pt;"><b>From:</b> DPPI - =
Mark Craig &lt;[email-masked]&gt;<br clear=3D"none">
<b>Sent:</b> Thursday, April 18, 2019 12:06 PM<br clear=3D"none">
<b>To:</b> marty<br clear=3D"none">
<b>Cc:</b> [email-masked]<br clear=3D"none">
<b>Subject:</b> RE: Quartermaster Clutches</font>

<div>&nbsp;</div>

</div>

<div lang=3D"EN-US">

<div class=3D"yiv6230478157x_WordSection1">

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:14.0pt;">Yes same deal, my thought was what the he=
ck. Then I went well it=E2=80=99s not slipping so do I care. Been running i=
t ever since with no issues. Right or wrong it is working and I have
 just gone with it as is??</span></div>

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:14.0pt;">&nbsp;</span></div>

<div>
<table class=3D"yiv6230478157x_MsoNormalTable" width=3D"0" style=3D"width:3=
67.5pt;border-collapse:collapse;" border=3D"0" cellspacing=3D"0" cellpaddin=
g=3D"0"><tbody><tr><td colspan=3D"1" rowspan=3D"1" width=3D"144" style=3D"w=
idth:108.1pt;padding:0in 0in 0in 0in;">

<div align=3D"center" class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0i=
n 0in 0pt;">
<a rel=3D"nofollow" shape=3D"rect"><span style=3D"font-size:10.0pt;line-hei=
ght:105%;"><img id=3D"yiv6230478157x_Picture_x0020_5" width=3D"144" height=
=3D"56" alt=3D"http://dieselperformanceparts.com/media/mail/logo_small_dppi=
.png" border=3D"0" src=3D"cid:izDr18BuBc3WanSRb9tD"></span></a><span style=
=3D"font-size:10.0pt;line-height:105%;"></span></div>

</td><td colspan=3D"1" rowspan=3D"1" valign=3D"top" width=3D"10" style=3D"w=
idth:.1in;padding:0in 0in 0in 0in;">

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<b><span style=3D"font-size:14.0pt;line-height:105%;">&nbsp;</span></b></di=
v>

</td><td colspan=3D"1" rowspan=3D"1" valign=3D"top" width=3D"336" style=3D"=
width:252.2pt;padding:0in 0in 0in 0in;">

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<b><span style=3D"font-size:14.0pt;line-height:105%;">Mark Craig<br clear=
=3D"none">
</span></b><span style=3D"font-size:10.0pt;line-height:105%;">Diesel Perfor=
mance Parts, Inc.<br clear=3D"none">
411 Allied Drive, Nashville, TN 37211<br clear=3D"none">
</span><span style=3D"font-size:11.0pt;line-height:105%;"><a rel=3D"noopene=
r noreferrer" shape=3D"rect" target=3D"_blank" href=3D"http://www.dieselper=
formanceparts.com/"><span style=3D"font-size:10.0pt;line-height:105%;">www.=
dieselperformanceparts.com</span></a></span><span style=3D"font-size:11.0pt=
;line-height:105%;"></span></div>

</td></tr><tr><td colspan=3D"1" rowspan=3D"1" width=3D"144" style=3D"width:=
108.1pt;padding:0in 0in 0in 0in;">

<div align=3D"center" class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0i=
n 0in 0pt;">
<a rel=3D"noopener noreferrer" shape=3D"rect" target=3D"_blank" href=3D"htt=
ps://www.facebook.com/DieselPerformanceParts"><span style=3D"font-size:10.0=
pt;line-height:105%;"><img id=3D"yiv6230478157x_Picture_x0020_4" width=3D"3=
2" height=3D"32" alt=3D"http://dieselperformanceparts.com/media/mail/icon_s=
ocial_facebook.jpg" border=3D"0" src=3D"cid:B0axw4XYFnQYhjvRkUo9"></span></=
a><span style=3D"font-size:10.0pt;line-height:105%;">
</span><a rel=3D"noopener noreferrer" shape=3D"rect" target=3D"_blank" href=
=3D"https://twitter.com/PerfectDiesel"><span style=3D"font-size:10.0pt;line=
-height:105%;"><img id=3D"yiv6230478157x_Picture_x0020_3" width=3D"32" heig=
ht=3D"32" alt=3D"http://dieselperformanceparts.com/media/mail/icon_social_t=
witter.jpg" border=3D"0" src=3D"cid:lzEIxFUaMvzPV3ABMANr"></span></a><span =
style=3D"font-size:10.0pt;line-height:105%;">&nbsp;</span><a rel=3D"noopene=
r noreferrer" shape=3D"rect" target=3D"_blank" href=3D"https://plus.google.=
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er noreferrer" shape=3D"rect" target=3D"_blank" href=3D"http://www.linkedin=
.com/company/diesel-performance-parts-inc-"><span style=3D"font-size:10.0pt=
;line-height:105%;"><img id=3D"yiv6230478157x_Picture_x0020_1" width=3D"32"=
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ial_linkedin.jpg" border=3D"0" src=3D"cid:UW6zvryt68vS4qtIfHkT"></span></a>=
<span style=3D"font-size:10.0pt;line-height:105%;"></span></div>

</td><td colspan=3D"1" rowspan=3D"1" valign=3D"top" width=3D"10" style=3D"w=
idth:.1in;padding:0in 0in 0in 0in;">

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:10.0pt;line-height:105%;">&nbsp;</span></div>

</td><td colspan=3D"1" rowspan=3D"1" valign=3D"top" width=3D"336" style=3D"=
width:252.2pt;padding:0in 0in 0in 0in;">

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:10.0pt;line-height:105%;">&nbsp;</span></div>

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:10.0pt;line-height:105%;">Phone: 615-834-0066<br c=
lear=3D"none">
Fax: 615-834-9923<br clear=3D"none">
Email: <a rel=3D"noopener noreferrer" shape=3D"rect" ymailto=3D"mailto:mark=
@dieselperformanceparts.com" target=3D"_blank" href=3D"mailto:mark@dieselpe=
rformanceparts.com"><span style=3D"color:#0563C1;">mark@dieselperformancepa=
rts.com</span></a></span></div>

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:10.0pt;line-height:105%;">&nbsp;</span></div>

</td></tr></tbody></table>

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:11.0pt;">&nbsp;</span></div>

</div>

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span style=3D"font-size:14.0pt;">&nbsp;</span></div>

<div>

<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in;">

<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<b><span style=3D"font-size:11.0pt;">From:</span></b><span style=3D"font-si=
ze:11.0pt;"> Fot [mailto:[email-masked]]
<b>On Behalf Of </b>marty via Fot<br clear=3D"none">
<b>Sent:</b> Thursday, April 18, 2019 10:47 AM<br clear=3D"none">
<b>To:</b> [email-masked]<br clear=3D"none">
<b>Subject:</b> [Fot] Quartermaster Clutches</span></div>

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<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span>Looking for some clutch help. I recently disassembled a quartermaster=
 Pro 7.25 single disc clutch, not from my car. I have no experience with th=
is style of clutch. Upon disassembly I observe that the
 flywheel insert, clutch disc and pressure plate only have had contact on t=
he outer 3/8 " diameter.&nbsp; Upon further investigation the flywheel inse=
rt surface is flat. The clutch surface thickness is uniform but if I lay a =
straight edge across the face of the
 Quartermaster pressure plate&nbsp; it cups outward. My initial thought was=
 "bingo" this would cause the wear pattern I am observing. Must be somethin=
g out of whack with the pressure plate insert.&nbsp; I contacted quartermas=
ter and described what I saw and they were
 not much help other than "something must be warped". I was getting ready t=
o order a replacement pressure plate insert but I stopped over to Jason's s=
hop and saw that he was working on a car that also ran a quartermaster Pro =
7.25 clutch but this was a double
 disc. I took it apart and all components had even wear across the faces as=
 one would expect.&nbsp; I layed a straight edge across the pressure plate =
out of this assembly expecting to see a flat contact surface and was surpri=
sed to see the same cupped condition
 where the outer pressure plate surface would contact the clutch disc first=
 as the one at home. Now I am at a loss as to what would cause this imprope=
r wear pattern. Any experience with this?</span></div>

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<span>&nbsp;</span></div>

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<div class=3D"yiv6230478157x_MsoNormal" style=3D"margin:0in 0in 0pt;">
<span>Marty</span></div>

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