Subject: Re: [TR] TR cylinder heads

From: "wbeech" <[email-masked]>
Date: Mon, 26 Nov 2018 15:34:50 -0600

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Andrew,

TeriAnn's web site give the differences between the head designs, this
should help answer your question:

http://www.tr3a.info/FAQ_heads.htm

Bill B

TS30800L

From: Triumphs [mailto:[email-masked]] On Behalf Of Andrew
Uprichard
Sent: Monday, November 26, 2018 1:15 PM
To: [email-masked]
Subject: [TR] TR cylinder heads

When it comes to the 4-cylinder TR models, I am aware of four variations on
cylinder head design:  the original low-port TR2 head, the "le Mans" head
which was a variation on the low port design, the high port head which came
with most of the TR3s and the TR4 head with the smaller intake aperture.

But someone was talking to me the other day about a variation in the high
port TR3 head.  According to this guy, there was a variation in the
thermostat housing, some of which were more sloping than rounded.  He
claimed the sloped design was more attractive as it lended itself to more
shaving and thus a better, high compression engine.

I must admit I had never heard about this.  I have three heads sitting in my
barns and all have what appears to be the same, rounded underneath to the
thermostat housing.

Has anyone heard of this?

Andrew Uprichard

Jackson, Michigan

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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>Andrew,<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>TeriAnn&#8217;s web site =
give the differences between the head designs, this should help answer =
your question:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'><a =
href=3D"http://www.tr3a.info/FAQ_heads.htm">http://www.tr3a.info/FAQ_head=
s.htm</a><o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Bill =
B<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>TS30800L<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From:</b> Triumphs =
[mailto:[email-masked]] <b>On Behalf Of </b>Andrew =
Uprichard<br><b>Sent:</b> Monday, November 26, 2018 1:15 =
PM<br><b>To:</b> [email-masked]<br><b>Subject:</b> [TR] TR =
cylinder heads<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman",serif'>When it comes to the =
4-cylinder TR models, I am aware of four variations on cylinder head =
design:&nbsp; the original low-port TR2 head, the &#8220;le Mans&#8221; =
head which was a variation on the low port design, the high port head =
which came with most of the TR3s and the TR4 head with the smaller =
intake aperture.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New =
Roman",serif'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman",serif'>But someone was talking to =
me the other day about a variation in the high port TR3 head.&nbsp; =
According to this guy, there was a variation in the thermostat housing, =
some of which were more sloping than rounded.&nbsp; He claimed the =
sloped design was more attractive as it lended itself to more shaving =
and thus a better, high compression engine.<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Times New =
Roman",serif'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman",serif'>I must admit I had never =
heard about this.&nbsp; I have three heads sitting in my barns and all =
have what appears to be the same, rounded underneath to the thermostat =
housing.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New =
Roman",serif'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman",serif'>Has anyone heard of =
this?<br><br>Andrew Uprichard<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Times New =
Roman",serif'>Jackson, Michigan<o:p></o:p></span></p></div></body></html>
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** [email-masked] **

Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archive

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From: "Jerry Van Vlack" <[email-masked]>
Date: Mon, 26 Nov 2018 17:02:25 -0500

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I believe it had more to do with interference with water pumps when =
shaving a head.
JVV

From: Andrew Uprichard=20
Sent: Monday, November 26, 2018 2:14 PM
To: [email-masked]=20
Subject: [TR] TR cylinder heads

When it comes to the 4-cylinder TR models, I am aware of four variations =
on cylinder head design:  the original low-port TR2 head, the =
=E2=80=9Cle Mans=E2=80=9D head which was a variation on the low port =
design, the high port head which came with most of the TR3s and the TR4 =
head with the smaller intake aperture.

=20

But someone was talking to me the other day about a variation in the =
high port TR3 head.  According to this guy, there was a variation in the =
thermostat housing, some of which were more sloping than rounded.  He =
claimed the sloped design was more attractive as it lended itself to =
more shaving and thus a better, high compression engine.

=20

I must admit I had never heard about this.  I have three heads sitting =
in my barns and all have what appears to be the same, rounded underneath =
to the thermostat housing.

=20

Andrew Uprichard

Jackson, Michigan

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<DIV>I believe it had more to do with interference with water pumps when =
shaving=20
a head.</DIV>
<DIV>JVV</DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV style=3D"FONT: 10pt tahoma">
<DIV>&nbsp;</DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A=20
title=[email-masked]>Andrew Uprichard</A> </DIV>
<DIV><B>Sent:</B> Monday, November 26, 2018 2:14 PM</DIV>
<DIV><B>To:</B> <A =
title=[email-masked]>[email-masked]</A>=20
</DIV>
<DIV><B>Subject:</B> [TR] TR cylinder heads</DIV></DIV></DIV>
<DIV>&nbsp;</DIV></DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV class=3DWordSection1>
<P class=3DMsoNormal><SPAN style=3D'FONT-FAMILY: "Times New =
Roman","serif"'>When it=20
comes to the 4-cylinder TR models, I am aware of four variations on =
cylinder=20
head design:&nbsp; the original low-port TR2 head, the =E2=80=9Cle =
Mans=E2=80=9D head which was=20
a variation on the low port design, the high port head which came with =
most of=20
the TR3s and the TR4 head with the smaller intake=20
aperture.<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D'FONT-FAMILY: "Times New =
Roman","serif"'><o:p></o:p></SPAN>&nbsp;</P>
<P class=3DMsoNormal><SPAN style=3D'FONT-FAMILY: "Times New =
Roman","serif"'>But=20
someone was talking to me the other day about a variation in the high =
port TR3=20
head.&nbsp; According to this guy, there was a variation in the =
thermostat=20
housing, some of which were more sloping than rounded.&nbsp; He claimed =
the=20
sloped design was more attractive as it lended itself to more shaving =
and thus a=20
better, high compression engine.<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D'FONT-FAMILY: "Times New =
Roman","serif"'><o:p></o:p></SPAN>&nbsp;</P>
<P class=3DMsoNormal><SPAN style=3D'FONT-FAMILY: "Times New =
Roman","serif"'>I must=20
admit I had never heard about this.&nbsp; I have three heads sitting in =
my barns=20
and all have what appears to be the same, rounded underneath to the =
thermostat=20
housing.<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D'FONT-FAMILY: "Times New =
Roman","serif"'><o:p></o:p></SPAN>&nbsp;</P>
<P class=3DMsoNormal><SPAN style=3D'FONT-FAMILY: "Times New =
Roman","serif"'>Has=20
anyone heard of this?<BR><BR>Andrew Uprichard<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN style=3D'FONT-FAMILY: "Times New =
Roman","serif"'>Jackson,=20
Michigan<o:p></o:p></SPAN></P></DIV>
<P>
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From: "TeriAnn J. Wakeman" <[email-masked]>
Date: Mon, 26 Nov 2018 15:02:28 -0700

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On 11/26/18 12:14 PM, Andrew Uprichard wrote:
>
> When it comes to the 4-cylinder TR models, I am aware of four 
> variations on cylinder head design:  the original low-port TR2 head, 
> the “le Mans” head which was a variation on the low port design, the 
> high port head which came with most of the TR3s and the TR4 head with 
> the smaller intake aperture.
>
> But someone was talking to me the other day about a variation in the 
> high port TR3 head. According to this guy, there was a variation in 
> the thermostat housing, some of which were more sloping than rounded.  
> He claimed the sloped design was more attractive as it lended itself 
> to more shaving and thus a better, high compression engine.
>
> I must admit I had never heard about this.  I have three heads sitting 
> in my barns and all have what appears to be the same, rounded 
> underneath to the thermostat housing.
>
Yes I have & wrote a web page

TeriAnn
-- 

Book - The Essential Guide to Overland Travel in the United States and 
Canada <http://overlandtravel.us>
2 years to write and 38 years of travel and camping to learn what to write

*Because the world beckons and life waits for no one*

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    <div class="moz-cite-prefix">On 11/26/18 12:14 PM, Andrew Uprichard
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:[email-masked]">
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      <div class="WordSection1">
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">When it comes to the
            4-cylinder TR models, I am aware of four variations on
            cylinder head design:  the original low-port TR2 head, the
            “le Mans” head which was a variation on the low port design,
            the high port head which came with most of the TR3s and the
            TR4 head with the smaller intake aperture.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">But someone was talking to me
            the other day about a variation in the high port TR3 head. 
            According to this guy, there was a variation in the
            thermostat housing, some of which were more sloping than
            rounded.  He claimed the sloped design was more attractive
            as it lended itself to more shaving and thus a better, high
            compression engine.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">I must admit I had never
            heard about this.  I have three heads sitting in my barns
            and all have what appears to be the same, rounded underneath
            to the thermostat housing.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">Has anyone heard of this?<br>
          </span></p>
      </div>
    </blockquote>
    <p>Yes I have &amp; wrote a web page</p>
    <p><a class="moz-txt-link-freetext" href="http://www.tr3a.info/FAQ_heads.htm">http://www.tr3a.info/FAQ_heads.htm</a></p>
    TeriAnn<br>
    <div class="moz-signature">-- <br>
      <p align="center"><a href="http://overlandtravel.us">Book - The
          Essential Guide to Overland Travel in the United States and
          Canada</a>
        <br>
        2 years to write and 38 years of travel and camping to learn
        what to write<br>
        <br>
        <b>Because the world beckons and life waits for no one</b></p>
    </div>
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From: Dave <[email-masked]>
Date: Mon, 26 Nov 2018 16:25:23 -0800

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The differences in the TR2-4 cylinder heads are well documented, including T=
eriAnn's.  Yes, there are at least two and possibly TR3 high port castings. =
 Early ones have the rounded thermostat casting and later ones have the angl=
ed one.  However, I have two heads that I have not found information.  These=
 heads are like the TR4A head casting in that they have the flat between the=
 front stud holes, but are other wise similar to the later TR3 casting.  The=
y are stamped 510084 on the flat.  TR4As are stamped 511695.  They might be T=
R4.  They have the two different valve stem sized guides, the step down in d=
iameter of the intake port, like high port TR3s and they have the angled t-s=
tat casting. =20
Can anyone share some info on these. =20
Dave H.

Sent from my iPad

> On Nov 26, 2018, at 11:14 AM, Andrew Uprichard <[email-masked]> w=
rote:
>=20
> When it comes to the 4-cylinder TR models, I am aware of four variations o=
n cylinder head design:  the original low-port TR2 head, the =E2=80=9Cle Man=
s=E2=80=9D head which was a variation on the low port design, the high port h=
ead which came with most of the TR3s and the TR4 head with the smaller intak=
e aperture.
> =20
> But someone was talking to me the other day about a variation in the high p=
ort TR3 head.  According to this guy, there was a variation in the thermosta=
t housing, some of which were more sloping than rounded.  He claimed the slo=
ped design was more attractive as it lended itself to more shaving and thus a=
 better, high compression engine.
> =20
> I must admit I had never heard about this.  I have three heads sitting in m=
y barns and all have what appears to be the same, rounded underneath to the t=
hermostat housing.
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archi=
ve
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/dlhogye=
@comcast.net

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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"><div>The differences in the TR2-4 cylinder h=
eads are well documented, including TeriAnn's. &nbsp;Yes, there are at least=
 two and possibly TR3 high port castings. &nbsp;Early ones have the rounded t=
hermostat casting and later ones have the angled one. &nbsp;However, I have t=
wo heads that I have not found information. &nbsp;These heads are like the T=
R4A head casting in that they have the flat between the front stud holes, bu=
t are other wise similar to the later TR3 casting. &nbsp;They are stamped 51=
0084 on the flat. &nbsp;TR4As are stamped 511695. &nbsp;They might be TR4. &=
nbsp;They have the two different valve stem sized guides, the step down in d=
iameter of the intake port, like high port TR3s and they have the angled t-s=
tat casting. &nbsp;</div><div id=3D"AppleMailSignature">Can anyone share som=
e info on these. &nbsp;</div><div id=3D"AppleMailSignature">Dave H.</div><di=
v id=3D"AppleMailSignature"><img src=3D"cid:857D9EEC-FDAF-40D8-8EC6-64956388=
5B98" alt=3D"image1.JPG" id=3D"857D9EEC-FDAF-40D8-8EC6-649563885B98"><img sr=
c=3D"cid:279D3DE0-BB8B-499C-87C6-2A553FED40CB" alt=3D"image2.JPG" id=3D"279D=
3DE0-BB8B-499C-87C6-2A553FED40CB"><br><br>Sent from my iPad</div><div><br>On=
 Nov 26, 2018, at 11:14 AM, Andrew Uprichard &lt;<a href=3D"mailto:auprichar=
[email-masked]">[email-masked]</a>&gt; wrote:<br><br></div><block=
quote type=3D"cite"><div><meta http-equiv=3D"Content-Type" content=3D"text/h=
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</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal"><span style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&=
quot;">When it comes to the 4-cylinder TR models, I am aware of four variati=
ons on cylinder head design:&nbsp; the original low-port TR2 head, the =E2=80=
=9Cle Mans=E2=80=9D head which was a variation on the low port design, the h=
igh port head which came with most of the TR3s and the TR4 head with the sma=
ller intake aperture.<o:p></o:p></span></p><p class=3D"MsoNormal"><span styl=
e=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;<=
/o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Time=
s New Roman&quot;,&quot;serif&quot;">But someone was talking to me the other=
 day about a variation in the high port TR3 head.&nbsp; According to this gu=
y, there was a variation in the thermostat housing, some of which were more s=
loping than rounded.&nbsp; He claimed the sloped design was more attractive a=
s it lended itself to more shaving and thus a better, high compression engin=
e.<o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&q=
uot;Times New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p><p c=
lass=3D"MsoNormal"><span style=3D"font-family:&quot;Times New Roman&quot;,&q=
uot;serif&quot;">I must admit I had never heard about this.&nbsp; I have thr=
ee heads sitting in my barns and all have what appears to be the same, round=
ed underneath to the thermostat housing.<o:p></o:p></span></p><p class=3D"Ms=
oNormal"><span style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&=
quot;"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span style=3D"fon=
t-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Has anyone heard of t=
his?<br><br>Andrew Uprichard<o:p></o:p></span></p><p class=3D"MsoNormal"><sp=
an style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Jacks=
on, Michigan<o:p></o:p></span></p></div></div></blockquote><blockquote type=3D=
"cite"><div><span>** <a href=3D"mailto:[email-masked]">triumphs@aut=
ox.team.net</a> **</span><br><span></span><br><span>Donate: <a href=3D"http:=
//www.team.net/donate.html">http://www.team.net/donate.html</a></span><br><s=
pan>Archive: <a href=3D"http://www.team.net/pipermail/triumphs">http://www.t=
eam.net/pipermail/triumphs</a> &nbsp;<a href=3D"http://www.team.net/archive"=
>http://www.team.net/archive</a></span><br><span></span><br><span>Unsubscrib=
e/Manage: <a href=3D"http://autox.team.net/mailman/options/triumphs/dlhogye@=
comcast.net">http://autox.team.net/mailman/options/triumphs/dlhogye@comcast.=
net</a></span><br></div></blockquote></body></html>=

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---

From: Dave <[email-masked]>
Date: Mon, 26 Nov 2018 16:40:03 -0800

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I have this booklet that was published by the factory and later reprinted by=
 TRF, describing the different cylinder head configurations fitted up to TS1=
3052E in 1957. The Le Mans heads are rare.
Dave H.

Sent from my iPad

> On Nov 26, 2018, at 1:34 PM, wbeech <[email-masked]> wrote:
>=20
> Andrew,
> TeriAnn=E2=80=99s web site give the differences between the head designs, t=
his should help answer your question:
> From: Triumphs [mailto:[email-masked]] On Behalf Of Andre=
w Uprichard
ve
@comcast.net

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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"><div>I have this booklet that was published=
 by the factory and later reprinted by TRF, describing the different cylinde=
r head configurations fitted up to TS13052E in 1957. The Le Mans heads are r=
are.</div><div id=3D"AppleMailSignature">Dave H.</div><div id=3D"AppleMailSi=
gnature"><img src=3D"cid:E58E6304-ECF2-41A0-A0F7-7D0D77897FE0" alt=3D"image2=
.JPG" id=3D"E58E6304-ECF2-41A0-A0F7-7D0D77897FE0"><br><br>Sent from my iPad<=
/div><div><br>On Nov 26, 2018, at 1:34 PM, wbeech &lt;<a href=3D"mailto:wbee=
[email-masked]">[email-masked]</a>&gt; wrote:<br><br></div><blockquote type=3D=
"cite"><div><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3D=
us-ascii"><meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered me=
dium)"><style><!--
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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal"><span style=3D"color:#1F497D">Andrew,<o:p></o:p></span></p><p class=
=3D"MsoNormal"><span style=3D"color:#1F497D">TeriAnn=E2=80=99s web site give=
 the differences between the head designs, this should help answer your ques=
tion:<o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"color:#1F49=
7D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span style=3D"color:=
#1F497D"><a href=3D"http://www.tr3a.info/FAQ_heads.htm">http://www.tr3a.info=
/FAQ_heads.htm</a><o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D=
"color:#1F497D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span sty=
le=3D"color:#1F497D">Bill B<o:p></o:p></span></p><p class=3D"MsoNormal"><spa=
n style=3D"color:#1F497D">TS30800L<o:p></o:p></span></p><p class=3D"MsoNorma=
l"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></span></p><div><div style=
=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p=
 class=3D"MsoNormal"><b>From:</b> Triumphs [<a href=3D"mailto:triumphs-bounc=
[email-masked]">mailto:[email-masked]</a>] <b>On Behalf O=
f </b>Andrew Uprichard<br><b>Sent:</b> Monday, November 26, 2018 1:15 PM<br>=
<b>To:</b> <a href=3D"mailto:[email-masked]">[email-masked]=
t</a><br><b>Subject:</b> [TR] TR cylinder heads<o:p></o:p></p></div></div><p=
 class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><p class=3D"MsoNormal"><span style=
=3D"font-family:&quot;Times New Roman&quot;,serif">When it comes to the 4-cy=
linder TR models, I am aware of four variations on cylinder head design:&nbs=
p; the original low-port TR2 head, the =E2=80=9Cle Mans=E2=80=9D head which w=
as a variation on the low port design, the high port head which came with mo=
st of the TR3s and the TR4 head with the smaller intake aperture.<o:p></o:p>=
</span></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Times New=
 Roman&quot;,serif"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span=
 style=3D"font-family:&quot;Times New Roman&quot;,serif">But someone was tal=
king to me the other day about a variation in the high port TR3 head.&nbsp; A=
ccording to this guy, there was a variation in the thermostat housing, some o=
f which were more sloping than rounded.&nbsp; He claimed the sloped design w=
as more attractive as it lended itself to more shaving and thus a better, hi=
gh compression engine.<o:p></o:p></span></p><p class=3D"MsoNormal"><span sty=
le=3D"font-family:&quot;Times New Roman&quot;,serif"><o:p>&nbsp;</o:p></span=
></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Times New Roman=
&quot;,serif">I must admit I had never heard about this.&nbsp; I have three h=
eads sitting in my barns and all have what appears to be the same, rounded u=
nderneath to the thermostat housing.<o:p></o:p></span></p><p class=3D"MsoNor=
mal"><span style=3D"font-family:&quot;Times New Roman&quot;,serif"><o:p>&nbs=
p;</o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;T=
imes New Roman&quot;,serif">Has anyone heard of this?<br><br>Andrew Uprichar=
d<o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&qu=
ot;Times New Roman&quot;,serif">Jackson, Michigan<o:p></o:p></span></p></div=
></div></blockquote><blockquote type=3D"cite"><div><span>** <a href=3D"mailt=
o:[email-masked]">[email-masked]</a> **</span><br><span></=
span><br><span>Donate: <a href=3D"http://www.team.net/donate.html">http://ww=
w.team.net/donate.html</a></span><br><span>Archive: <a href=3D"http://www.te=
am.net/pipermail/triumphs">http://www.team.net/pipermail/triumphs</a> &nbsp;=
<a href=3D"http://www.team.net/archive">http://www.team.net/archive</a></spa=
n><br><span></span><br><span>Unsubscribe/Manage: <a href=3D"http://autox.tea=
m.net/mailman/options/triumphs/[email-masked]">http://autox.team.net/ma=
ilman/options/triumphs/[email-masked]</a></span><br></div></blockquote>=
</body></html>=

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---

From: "Andrew Uprichard" <[email-masked]>
Date: Mon, 26 Nov 2018 20:58:49 -0500

--===============3027616138829418822==
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TeriAnn:

=20

I am no Kas Kastner, but I am equally impressed =E2=80=93 and grateful.  =
Thank you !!

Andrew

=20

From: TeriAnn J. Wakeman [mailto:[email-masked]]=20
Sent: Monday, November 26, 2018 5:02 PM
To: [email-masked]; [email-masked] >> Andrew =
Uprichard
Subject: Re: [TR] TR cylinder heads

=20

=20

=20

=20

TeriAnn

--=20

Book - The Essential Guide to Overland Travel in the United States and =
Canada <http://overlandtravel.us> =20
2 years to write and 38 years of travel and camping to learn what to =
write

Because the world beckons and life waits for no one

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<html xmlns:v=3D"urn:schemas-microsoft-com:vml" =
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xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" =
xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta =
http-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta =
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</o:shapelayout></xml><![endif]--></head><body bgcolor=3Dwhite =
lang=3DEN-US link=3Dblue vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal><span style=3D'font-family:"Times New =
Roman","serif";color:#1F497D'>TeriAnn:<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Times New =
Roman","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-family:"Times New =
Roman","serif";color:#1F497D'>I am no Kas Kastner, but I am equally =
impressed =E2=80=93 and grateful.=C2=A0 Thank you =
!!<br><br>Andrew<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New =
Roman","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'>From:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'> TeriAnn J. Wakeman [mailto:[email-masked]] <br><b>Sent:</b> =
Monday, November 26, 2018 5:02 PM<br><b>To:</b> [email-masked]; =
[email-masked] &gt;&gt; Andrew Uprichard<br><b>Subject:</b> =
Re: [TR] TR cylinder heads<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>On =
11/26/18 12:14 PM, Andrew Uprichard =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p =
class=3DMsoNormal><span style=3D'font-family:"Times New Roman , =
serif","serif"'>When it comes to the 4-cylinder TR models, I am aware of =
four variations on cylinder head design:&nbsp; the original low-port TR2 =
head, the =E2=80=9Cle Mans=E2=80=9D head which was a variation on the =
low port design, the high port head which came with most of the TR3s and =
the TR4 head with the smaller intake aperture.</span><o:p></o:p></p><p =
class=3DMsoNormal><span style=3D'font-family:"Times New Roman , =
serif","serif"'>&nbsp;</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman , serif","serif"'>But someone was =
talking to me the other day about a variation in the high port TR3 =
head.&nbsp; According to this guy, there was a variation in the =
thermostat housing, some of which were more sloping than rounded.&nbsp; =
He claimed the sloped design was more attractive as it lended itself to =
more shaving and thus a better, high compression =
engine.</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman , =
serif","serif"'>&nbsp;</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman , serif","serif"'>I must admit I =
had never heard about this.&nbsp; I have three heads sitting in my barns =
and all have what appears to be the same, rounded underneath to the =
thermostat housing.</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman , =
serif","serif"'>&nbsp;</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Times New Roman , serif","serif"'>Has anyone heard =
of this?</span><o:p></o:p></p></blockquote><p>Yes I have &amp; wrote a =
web page<o:p></o:p></p><p><a =
href=3D"http://www.tr3a.info/FAQ_heads.htm">http://www.tr3a.info/FAQ_head=
s.htm</a><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>TeriAnn<o:p></o:p></span></p><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman","serif"'>-- <o:p></o:p></span></p><p align=3Dcenter =
style=3D'text-align:center'><a href=3D"http://overlandtravel.us">Book - =
The Essential Guide to Overland Travel in the United States and =
Canada</a> <br>2 years to write and 38 years of travel and camping to =
learn what to write<br><br><b>Because the world beckons and life waits =
for no one</b><o:p></o:p></p></div></div></body></html>
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From: "[email-masked]" <[email-masked]>
Date: Mon, 26 Nov 2018 20:52:48 -0600

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The number cast into my head is 302137, is that the part number?   Engine nu=
mber: TS75131E.=20
Bill B

On Nov 26, 2018, at 6:40 PM, Dave <[email-masked]> wrote:

Sent from my iPad

w Uprichard
ve
@comcast.net

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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"><div dir=3D"ltr">The number cast into my he=
ad is 302137, is that the part number? &nbsp; Engine number: TS75131E.&nbsp;=
</div><div dir=3D"ltr">Bill B</div><div dir=3D"ltr"><br>On Nov 26, 2018, at 6=
:40 PM, Dave &lt;<a href=3D"mailto:[email-masked]">[email-masked]<=
/a>&gt; wrote:<br><br></div><div dir=3D"ltr"><meta http-equiv=3D"content-typ=
e" content=3D"text/html; charset=3Dutf-8"><div>I have this booklet that was p=
ublished by the factory and later reprinted by TRF, describing the different=
 cylinder head configurations fitted up to TS13052E in 1957. The Le Mans hea=
ds are rare.</div><div>Dave H.</div><div id=3D"AppleMailSignature">&lt;image=
2.JPG&gt;<br><br>Sent from my iPad</div><div><br>On Nov 26, 2018, at 1:34 PM=
, wbeech &lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wr=
ote:<br><br></div><blockquote type=3D"cite"><div><meta http-equiv=3D"Content=
-Type" content=3D"text/html; charset=3Dus-ascii"><meta name=3D"Generator" co=
ntent=3D"Microsoft Word 15 (filtered medium)"><style><!--
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<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal"><span style=3D"color:#1F497D">Andrew,<o:p></o:p></span></p><p class=
=3D"MsoNormal"><span style=3D"color:#1F497D">TeriAnn=E2=80=99s web site give=
 the differences between the head designs, this should help answer your ques=
tion:<o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"color:#1F49=
7D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span style=3D"color:=
#1F497D"><a href=3D"http://www.tr3a.info/FAQ_heads.htm">http://www.tr3a.info=
/FAQ_heads.htm</a><o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D=
"color:#1F497D"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span sty=
le=3D"color:#1F497D">Bill B<o:p></o:p></span></p><p class=3D"MsoNormal"><spa=
n style=3D"color:#1F497D">TS30800L<o:p></o:p></span></p><p class=3D"MsoNorma=
l"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></span></p><div><div style=
=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p=
 class=3D"MsoNormal"><b>From:</b> Triumphs [<a href=3D"mailto:triumphs-bounc=
[email-masked]">mailto:[email-masked]</a>] <b>On Behalf O=
f </b>Andrew Uprichard<br><b>Sent:</b> Monday, November 26, 2018 1:15 PM<br>=
<b>To:</b> <a href=3D"mailto:[email-masked]">[email-masked]=
t</a><br><b>Subject:</b> [TR] TR cylinder heads<o:p></o:p></p></div></div><p=
 class=3D"MsoNormal"><o:p>&nbsp;</o:p></p><p class=3D"MsoNormal"><span style=
=3D"font-family:&quot;Times New Roman&quot;,serif">When it comes to the 4-cy=
linder TR models, I am aware of four variations on cylinder head design:&nbs=
p; the original low-port TR2 head, the =E2=80=9Cle Mans=E2=80=9D head which w=
as a variation on the low port design, the high port head which came with mo=
st of the TR3s and the TR4 head with the smaller intake aperture.<o:p></o:p>=
</span></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Times New=
 Roman&quot;,serif"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span=
 style=3D"font-family:&quot;Times New Roman&quot;,serif">But someone was tal=
king to me the other day about a variation in the high port TR3 head.&nbsp; A=
ccording to this guy, there was a variation in the thermostat housing, some o=
f which were more sloping than rounded.&nbsp; He claimed the sloped design w=
as more attractive as it lended itself to more shaving and thus a better, hi=
gh compression engine.<o:p></o:p></span></p><p class=3D"MsoNormal"><span sty=
le=3D"font-family:&quot;Times New Roman&quot;,serif"><o:p>&nbsp;</o:p></span=
</div></body></html>=

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From: Dave <[email-masked]>
Date: Thu, 29 Nov 2018 10:31:25 -0800

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Does anyone have anything to add about the information I provided about a wh=
at looks like a 5th casting for 4 cylinder TRs?  I hope the message came thr=
ough with the attached photos.
Dave H.

Sent from my iPad

> On Nov 26, 2018, at 4:25 PM, Dave <[email-masked]> wrote:
>=20
> The differences in the TR2-4 cylinder heads are well documented, including=
 TeriAnn's.  Yes, there are at least two and possibly TR3 high port castings=
.  Early ones have the rounded thermostat casting and later ones have the an=
gled one.  However, I have two heads that I have not found information.  The=
se heads are like the TR4A head casting in that they have the flat between t=
he front stud holes, but are other wise similar to the later TR3 casting.  T=
hey are stamped 510084 on the flat.  TR4As are stamped 511695.  They might b=
e TR4.  They have the two different valve stem sized guides, the step down i=
n diameter of the intake port, like high port TR3s and they have the angled t=
-stat casting. =20
>> On Nov 26, 2018, at 11:14 AM, Andrew Uprichard <[email-masked]>=
>> =20
>> But someone was talking to me the other day about a variation in the high=
 port TR3 head.  According to this guy, there was a variation in the thermos=
tat housing, some of which were more sloping than rounded.  He claimed the s=
loped design was more attractive as it lended itself to more shaving and thu=
s a better, high compression engine.
>> =20
>> I must admit I had never heard about this.  I have three heads sitting in=
 my barns and all have what appears to be the same, rounded underneath to th=
e thermostat housing.
>> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/arch=
ive
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/dlhogy=
[email-masked]
ve
@comcast.net

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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"><div>Does anyone have anything to add about=
 the information I provided about a what looks like a 5th casting for 4 cyli=
nder TRs? &nbsp;I hope the message came through with the attached photos.</d=
iv><div id=3D"AppleMailSignature">Dave H.<br><br>Sent from my iPad</div><div=
><br>On Nov 26, 2018, at 4:25 PM, Dave &lt;<a href=3D"mailto:dlhogye@comcast=
.net">[email-masked]</a>&gt; wrote:<br><br></div><blockquote type=3D"ci=
te"><div><meta http-equiv=3D"content-type" content=3D"text/html; charset=3Du=
tf-8"><div>The differences in the TR2-4 cylinder heads are well documented, i=
ncluding TeriAnn's. &nbsp;Yes, there are at least two and possibly TR3 high p=
ort castings. &nbsp;Early ones have the rounded thermostat casting and later=
 ones have the angled one. &nbsp;However, I have two heads that I have not f=
ound information. &nbsp;These heads are like the TR4A head casting in that t=
hey have the flat between the front stud holes, but are other wise similar t=
o the later TR3 casting. &nbsp;They are stamped 510084 on the flat. &nbsp;TR=
4As are stamped 511695. &nbsp;They might be TR4. &nbsp;They have the two dif=
ferent valve stem sized guides, the step down in diameter of the intake port=
, like high port TR3s and they have the angled t-stat casting. &nbsp;</div><=
div id=3D"AppleMailSignature">Can anyone share some info on these. &nbsp;</d=
iv><div id=3D"AppleMailSignature">Dave H.</div><div id=3D"AppleMailSignature=
">&lt;image1.JPG&gt;&lt;image2.JPG&gt;<br><br>Sent from my iPad</div><div><b=
r>On Nov 26, 2018, at 11:14 AM, Andrew Uprichard &lt;<a href=3D"mailto:aupri=
[email-masked]">[email-masked]</a>&gt; wrote:<br><br></div><b=
lockquote type=3D"cite"><div><meta http-equiv=3D"Content-Type" content=3D"te=
xt/html; charset=3Dus-ascii"><meta name=3D"Generator" content=3D"Microsoft W=
ord 14 (filtered medium)"><style><!--
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<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--><div class=3D"WordSection1"><p class=3D"Ms=
oNormal"><span style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&=
quot;">When it comes to the 4-cylinder TR models, I am aware of four variati=
ons on cylinder head design:&nbsp; the original low-port TR2 head, the =E2=80=
=9Cle Mans=E2=80=9D head which was a variation on the low port design, the h=
igh port head which came with most of the TR3s and the TR4 head with the sma=
ller intake aperture.<o:p></o:p></span></p><p class=3D"MsoNormal"><span styl=
e=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;<=
/o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Time=
s New Roman&quot;,&quot;serif&quot;">But someone was talking to me the other=
 day about a variation in the high port TR3 head.&nbsp; According to this gu=
y, there was a variation in the thermostat housing, some of which were more s=
loping than rounded.&nbsp; He claimed the sloped design was more attractive a=
s it lended itself to more shaving and thus a better, high compression engin=
e.<o:p></o:p></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&q=
uot;Times New Roman&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p><p c=
lass=3D"MsoNormal"><span style=3D"font-family:&quot;Times New Roman&quot;,&q=
uot;serif&quot;">I must admit I had never heard about this.&nbsp; I have thr=
ee heads sitting in my barns and all have what appears to be the same, round=
ed underneath to the thermostat housing.<o:p></o:p></span></p><p class=3D"Ms=
oNormal"><span style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&=
quot;"><o:p>&nbsp;</o:p></span></p><p class=3D"MsoNormal"><span style=3D"fon=
t-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Has anyone heard of t=
his?<br><br>Andrew Uprichard<o:p></o:p></span></p><p class=3D"MsoNormal"><sp=
an style=3D"font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">Jacks=
on, Michigan<o:p></o:p></span></p></div></div></blockquote><blockquote type=3D=
"cite"><div><span>** <a href=3D"mailto:[email-masked]">triumphs@aut=
ox.team.net</a> **</span><br><span></span><br><span>Donate: <a href=3D"http:=
//www.team.net/donate.html">http://www.team.net/donate.html</a></span><br><s=
pan>Archive: <a href=3D"http://www.team.net/pipermail/triumphs">http://www.t=
eam.net/pipermail/triumphs</a> &nbsp;<a href=3D"http://www.team.net/archive"=
e/Manage: <a href=3D"http://autox.team.net/mailman/options/triumphs/dlhogye@=
comcast.net">http://autox.team.net/mailman/options/triumphs/dlhogye@comcast.=
net</a></span><br></div></blockquote></div></blockquote><blockquote type=3D"=
cite"><div><span>** <a href=3D"mailto:[email-masked]">triumphs@auto=
x.team.net</a> **</span><br><span></span><br><span>Donate: <a href=3D"http:/=
/www.team.net/donate.html">http://www.team.net/donate.html</a></span><br><sp=
an>Archive: <a href=3D"http://www.team.net/pipermail/triumphs">http://www.te=
am.net/pipermail/triumphs</a> &nbsp;<a href=3D"http://www.team.net/archive">=
/Manage: <a href=3D"http://autox.team.net/mailman/options/triumphs/dlhogye@c=
omcast.net">http://autox.team.net/mailman/options/triumphs/[email-masked]=
et</a></span><br></div></blockquote></body></html>=

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From: "Randall" <[email-masked]>
Date: Fri, 30 Nov 2018 06:04:15 -0800

> Does anyone have anything to add about the information I 
> provided about a what looks like a 5th casting for 4 cylinder 
> TRs?  I hope the message came through with the attached photos.
> Dave H.
> 

Perhaps I am confused.  The information you supplied seems to match the
information TeriAnn has listed for (some?) TR3B through CT21470E TR4.  P/N
511084 is listed in the SPC as being a cylinder head (less valves and
springs) for TR4 through CT21470E.  It takes the same exhaust valves as
earlier TRs, with the 3/8" stem rather than the 5/16" stem used later on.
The SPC I have is not explicit about the change from triple exhaust springs
to double; but it's my belief that it happened around the same time as the
change in exhaust stem diameter.  

The book says the later double springs can be fitted, but is somewhat
confusing on the topic of "collars", since the same term is used both for
the spacer that goes under the triple springs, and for what I call the
"retainer" that goes above the spring.  I believe the sets with double
exhaust springs take a different retainer (142137 vs 105083) for both intake
and exhaust; and should be used without the spacer (108242).  Both inner and
outer springs have different part numbers between the two sets, and I
believe the dimensions are different.

It also mentions the "conversion" guides to use the 5/16" exhaust valves in
the earlier heads.  The earlier heads actually have a larger hole for the
exhaust guide, so these conversion guides are thicker to fill the larger
hole.

-- Randall 
56 TR3 TS13571L once and future daily driver
71 Stag LE1473 - awaiting engine rebuild
71-2-3 Stag - awaiting gearbox rebuild

---

From: DAVE HOGYE <[email-masked]>
Date: Fri, 30 Nov 2018 07:54:22 -0800 (PST)

Ah yes, I understand.  The head was the same "casting" as the TR4A head, but have machining for the exhaust valve stem and intake port that match the earlier high port heads.  
Thanks, Dave H.
> On November 30, 2018 at 6:04 AM Randall <[email-masked]> wrote:
> 
>

---

From: "John Macartney" <[email-masked]>
Date: Fri, 30 Nov 2018 17:15:52 -0000

I wasn't able to pick up on this thread owing to other pressures. I'm
assuming the thread refers to an earlier post where someone queried the
existence of a number on a wet liner four pot? If I'm looking at the same
hymn sheet, these raised numbers cast in the head are usually found in the
middle-ish of the head adjacent to the valves and  are not an alternative
part number, nor will you find them in any parts catalogue. You can see the
raised number on a little plinth which is visible underneath the rocker
arms. I know from more recent experiences with the six cylinder engine that
this same 'number' is about adjacent to valve stem three and/or four. The
same may apply to the four pot. That number is not a part number per se but
an engineering reference number for use in production - and no other
purpose! If I had been a Wise Virgin some fifty or more years ago and kept
my engineering change reference guides, I'd be able to tell you  chapter and
verse on any head produced by the company for any market from 1946 to 1973.
However, long, long before the days of the internet, I looked at those
numbers in their manual and wondered "who on earth would ever want these?"
and they went in the trash. Sorry, everyone!
For those of you who have the 2.5 litre six cylinder, bear these two numbers
in mind - 219015 and/or 219016. 
These identify the very last head ever re-worked for that engine and it is
by far the best head in terms of porting, port diameter, gas flow and swirl
within the combustion chamber. AFAIK, it was never fitted to North American
cars as they had lower CR's from 1971 onwards but if anyone is ever in the
UK or Europe and at a Triumph parts fair and you see one available that's
undamaged, GRAB it! Not many enthusiasts realise the true worth of this head
and I fitted one to my 2.5 injection saloon and the performance improvement
was amazing.

Jonmac

-----Original Message-----
From: Triumphs <[email-masked]> On Behalf Of Randall
Sent: 30 November 2018 14:04
To: 'Dave' <[email-masked]>; 'Andrew Uprichard'
<[email-masked]>
Cc: [email-masked]
Subject: Re: [TR] TR cylinder heads

> Does anyone have anything to add about the information I provided 
> about a what looks like a 5th casting for 4 cylinder TRs?  I hope the 
> message came through with the attached photos.
> Dave H.
> 

-- Randall

http://autox.team.net/mailman/options/triumphs/[email-masked]

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