Subject: Re: [Fot] TR6 Throwout bearing wanted

From: Jason Ostrowski via Fot <[email-masked]>
Date: Sun, 7 Aug 2022 18:23:45 -0500

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I=E2=80=99ve used the AP, Tilton and Quartermaster dual disk clutch set in s=
everal cars over the years.=20
They all utilized either a  stock TR6 or stock GT6 through -out bearing.=20
Both worked well.=20
The GT6 one is smaller and lighter.=20
Jason Ostrowski=20
Friendly Ghost Racing=20
Triumph GT6+ race cars.
Sent from my iPhone

> On Aug 7, 2022, at 4:57 PM, David Gott via Fot <[email-masked]> wrote:=

>=20
> =EF=BB=BF Hi Scott,
>=20
> My TR4 has a 1980=E2=80=99s Tilton 7.25=E2=80=9D dual clutch setup, that t=
urns out is really an AP racing clutch setup that they were reselling at the=
 time.  AP still makes all the parts; seems to be similar to the Quartermast=
er 7.25 sintered clutches.   Try looking at AP racing release bearing option=
s here, along with some engineering diagrams of some options for you:
> Release Mechanism and Bearings | AP Racing=20
>=20
> I
>=20
> Release Mechanism and Bearings | AP Racing
> AP Racing, the Coventry, UK-based company is a key supplier and the leadin=
g manufacturer of performance brake and clutch systems for road and race car=
s.
>=20
>=20
>  hope that helps!
>=20
> Dave Gott
>=20
>=20
>=20
> Sent from Yahoo Mail for iPhone
>=20
> On Sunday, August 7, 2022, 5:08 PM, Scott Janzen via Fot <[email-masked]=
et> wrote:
>=20
> I=E2=80=99m trying to switch from the aluminum flywheel/stock size clutch t=
o a Quartermaster steel flywheel and 7.25=E2=80=9D clutch.  The challenge is=
 the throwout bearing - I=E2=80=99ve included photos of the current one I us=
e and a new replacement I picked up.  The QM pressure plate needs something s=
maller in diameter than the new replacement.  If I could find one that=E2=80=
=99s more like what I have, it would work - ideally the contact surface is e=
ven closer to 2=E2=80=9D in diameter.
> The photos below indicate that the profiles are different, and the profile=
 of the old one results in a smaller contact diameter.
>=20
> QM recommends a radiused contact surface.
>=20
> Any thoughts on where to source one like the one I have?  I could convert t=
o hydraulic, but would prefer not to as I=E2=80=99m guessing that=E2=80=99s n=
ot a simple bolt-in.
>=20
> Scott
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
> Sent from my iPhone
>=20
> _______________________________________________
> [email-masked]
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
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ahoo.com
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> [email-masked]
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">I=E2=80=99ve used the AP, Tilton and Quarte=
rmaster dual disk clutch set in several cars over the years.&nbsp;<div>They a=
ll utilized either a &nbsp;stock TR6 or stock GT6 through -out bearing.&nbsp=
;</div><div>Both worked well.&nbsp;</div><div>The GT6 one is smaller and lig=
hter.&nbsp;</div><div>Jason Ostrowski&nbsp;</div><div>Friendly Ghost Racing&=
nbsp;</div><div>Triumph GT6+ race cars.<br><div dir=3D"ltr">Sent from my iPh=
one</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Aug 7, 2022, at 4=
:57 PM, David Gott via Fot &lt;[email-masked]&gt; wrote:<br><br></blockq=
uote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<!--[if gte m=
so 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:Pix=
elsPerInch></o:OfficeDocumentSettings></xml><![endif]-->
Hi Scott,<div><br></div><div>My TR4 has a 1980=E2=80=99s Tilton 7.25=E2=80=9D=
 dual clutch setup, that turns out is really an AP racing clutch setup that t=
hey were reselling at the time. &nbsp;AP still makes all the parts; seems to=
 be similar to the Quartermaster 7.25 sintered clutches. &nbsp; Try looking a=
t AP racing release bearing options here, along with some engineering diagra=
ms of some options for you:</div><div><a href=3D"https://apracing.com/race-c=
ar/metallic-race-clutches/release-mechanism-and-bearings" target=3D"_blank" c=
lass=3D"enhancr2_02F51237-A883-463A-BE96-064F755E3115">Release Mechanism and=
 Bearings | AP Racing</a>&nbsp;</div><div><br></div><div>I<br><div><br></div=
><div id=3D"enhancr2_02F51237-A883-463A-BE96-064F755E3115" class=3D"yahoo-li=
nk-enhancr-card yahoo-link-enhancr-cardSize-medium yahoo-link-enhancr-cardTy=
pe-yenhancr yahoo-link-enhancr-cardCategory-article  ymail-preserve-class ym=
ail-preserve-style" style=3D"max-width:400px;font-family:'Helvetica Neue', H=
elvetica, Arial, sans-serif;" contenteditable=3D"false" data-url=3D"https://=
apracing.com/race-car/metallic-race-clutches/release-mechanism-and-bearings"=
 data-type=3D"LINK_ENHANCR_ATTACHMENT_TYPE_INLINE" data-category=3D"article"=
 data-embed-url=3D"" data-size=3D"medium">     <a href=3D"https://apracing.c=
om/race-car/metallic-race-clutches/release-mechanism-and-bearings" style=3D"=
text-decoration:none !important; color: #000 !important;" class=3D"yahoo-enh=
ancr-cardlink" target=3D"_blank" rel=3D"noreferrer">         <table class=3D=
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h:400px;">                     <tbody><tr>                         <td class=
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m/lo/api/res/1.2/TGdlQ_z593mIUT8RI0.QTw--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBp=
ZD1pZXh0cmFjdA--/https://apracing.com/_/img/tpl/ap-logo.svg.cf.jpg') no-repe=
at center center;background-size:cover;height:200px;position:relative;" back=
ground=3D"https://s.yimg.com/lo/api/res/1.2/TGdlQ_z593mIUT8RI0.QTw--~A/Zmk9Z=
mlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://apracing.com/_/img/tpl/a=
p-logo.svg.cf.jpg" bgcolor=3D"#000000" valign=3D"top">                      =
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mg&#x2F;tpl&#x2F;ap-logo.svg.cf.jpg"/></v:rect><![endif]-->                 =
                              <table class=3D"yahoo-ignore-table" cellpaddin=
g=3D"0" cellspacing=3D"0" border=3D"0" valign=3D"top" style=3D"width:100%;">=
                                 <tbody><tr>                                =
     <td style=3D"background:transparent url('https://s.yimg.com/nq/storm/as=
sets/enhancrV2/12/overlay-tile.png') repeat left top;height:200px;" backgrou=
nd=3D"https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png" bgco=
lor=3D"transparent" valign=3D"top">                                         =
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ft;padding:15px 0 0 15px;vertical-align:top;">                              =
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so 9]></v:textbox></v:rect><![endif]-->                                     <=
/td>                                 </tr>                             </tbo=
dy></table>                         </td>                     </tr>         =
            <tr>                         <td>                             <t=
able class=3D"card-info yahoo-ignore-table" align=3D"center" cellpadding=3D"=
0" cellspacing=3D"0" border=3D"0" style=3D"background:#fff;position:relative=
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3px solid #000000;margin-top:-40px;margin-left:auto;margin-right:auto;">    =
                             <tbody><tr>                                    =
                               <td style=3D"background-color:#ffffff;padding=
:16px 0 16px 12px;vertical-align:top;">                                     =
                                         </td>                              =
        <td style=3D"vertical-align:middle;padding:16px 12px;width:99%;">   =
                                      <h2 class=3D"card-title" style=3D"font=
-size: 16px; line-height:19px; margin:0 0 4px 0;font-family:'Helvetica Neue'=
, Helvetica, Arial, sans-serif;">Release Mechanism and Bearings | AP Racing<=
/h2>                                                                        =
          <p class=3D"card-description" style=3D"font-size:11px;line-height:=
15px;color:#999;">AP Racing, the Coventry, UK-based company is a key supplie=
r and the leading manufacturer of performance brake and clutch systems for r=
oad and race cars.</p>                                     </td>            =
                          <td style=3D"text-align:right;padding:16px 12px 16=
px 0;">                                                                     =
         </td>                                 </tr>                        =
     </tbody></table>                         </td>                     </tr=
>                 </tbody></table>             </td>             </tr>      =
   </tbody></table>     </a> </div><div><br></div>&nbsp;hope that helps!</di=
v><div><br></div><div>Dave Gott</div><div><br><br><br><a href=3D"https://ove=
rview.mail.yahoo.com/?.src=3DiOS">Sent from Yahoo Mail for iPhone</a><br><br=
><p class=3D"yahoo-quoted-begin" style=3D"font-size: 15px; color: #715FFA; p=
adding-top: 15px; margin-top: 0">On Sunday, August 7, 2022, 5:08 PM, Scott J=
anzen via Fot &lt;[email-masked]&gt; wrote:</p><blockquote class=3D"iosy=
mail"><div id=3D"yiv1509368634"><div>I=E2=80=99m trying to switch from the a=
luminum flywheel/stock size clutch to a Quartermaster steel flywheel and 7.2=
5=E2=80=9D clutch. &nbsp;The challenge is the throwout bearing - I=E2=80=99v=
e included photos of the current one I use and a new replacement I picked up=
. &nbsp;The QM pressure plate needs something smaller in diameter than the n=
ew replacement. &nbsp;If I could find one that=E2=80=99s more like what I ha=
ve, it would work - ideally the contact surface is even closer to 2=E2=80=9D=
 in diameter.<div class=3D"yiv1509368634">The photos below indicate that the=
 profiles are different, and the profile of the old one results in a smaller=
 contact diameter.<br class=3D"yiv1509368634"><div class=3D"yiv1509368634"><=
br class=3D"yiv1509368634"></div><div class=3D"yiv1509368634">QM recommends a=
 radiused contact surface.</div><div class=3D"yiv1509368634"><br class=3D"yi=
v1509368634"></div><div class=3D"yiv1509368634">Any thoughts on where to sou=
rce one like the one I have? &nbsp;I could convert to hydraulic, but would p=
refer not to as I=E2=80=99m guessing that=E2=80=99s not a simple bolt-in.</d=
iv><div class=3D"yiv1509368634"><br class=3D"yiv1509368634"></div><div class=
=3D"yiv1509368634">Scott</div><div class=3D"yiv1509368634"><div><div class=3D=
"yiv1509368634"><div class=3D"yiv1509368634"><br class=3D"yiv1509368634"><di=
v>&lt;IMG_1206.jpg&gt;</div><br class=3D"yiv1509368634"><br class=3D"yiv1509=
368634"><br class=3D"yiv1509368634"><div>&lt;IMG_1207.jpg&gt;</div><br class=
=3D"yiv1509368634"><br class=3D"yiv1509368634"><br class=3D"yiv1509368634"><=
div>&lt;IMG_1210.jpg&gt;</div><br class=3D"yiv1509368634"><br class=3D"yiv15=
09368634"><br class=3D"yiv1509368634"><div>&lt;IMG_1211.jpg&gt;</div><br cla=
ss=3D"yiv1509368634"><br class=3D"yiv1509368634"><br class=3D"yiv1509368634"=
><div>&lt;IMG_1212.jpg&gt;</div><br class=3D"yiv1509368634"><br class=3D"yiv=
1509368634">Sent from my iPhone</div></div></div><br class=3D"yiv1509368634"=
></div></div></div></div>_______________________________________________<br>=
<a ymailto=3D"mailto:[email-masked]" href=3D"mailto:[email-masked]">=
[email-masked]</a><br><br><a href=3D"http://www.fot-racing.com" target=3D=
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hoo.com</a><br><br><br><blockquote></blockquote></blockquote></div>
<div>&lt;IMG_1212.jpg&gt;</div><div>&lt;IMG_1211.jpg&gt;</div><div>&lt;IMG_1=
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