Subject: Re: [Fot] TR6 cylinderheads

From: Phil Gott via Fot <[email-masked]>
Date: Sat, 30 Nov 2019 12:54:39 -0500

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Make certain that the gasket also has the accommodating holes!

Sent from my iPhone

> On Nov 30, 2019, at 11:56 AM, TeriAnn J. Wakeman via Fot <[email-masked]=
et> wrote:
>=20
> =EF=BB=BF
> On 11/30/19 9:08 AM, [email-masked] wrote:
>> That's interesting and may well be the reason.
>> The passages (the one in my cylinderhead and the 6 holes in the other hea=
d) have a diameter of about 12mm). So these passages are facing the block an=
d are located precisely beneath the exhaust ports. My cylinderhead has all t=
he work done, so I'd rather add these passages than searching for another cy=
linderhead.
>> Marcel
> There are usually thin walls between water passages and exhaust passage wa=
ys and the spaces around the combustion chambers follow curves. It is not ju=
st a straight drilled hole.
>=20
> I suggest you chalk up your existing head as practice and start again with=
 an earlier head.
>=20
> TeriAnn
>=20
>=20
>=20
>=20
>=20
>>=20
>> ----- Oorspronkelijk bericht -----
>> Van: "fot" <[email-masked]>
>> Aan: "fot" <[email-masked]>
>> Verzonden: Zaterdag 30 november 2019 16:50:06
>> Onderwerp: Re: [Fot] TR6 cylinderheads
>>=20
>> Comparing the cylinderhead of this engine with another 6 cylinder head=20=

>> (probably also from a TR6 , but from a=C3=82  Triumph saloon is also poss=
ible)=20
>> : it turns out that my cylinderhead is lacking 5 coolant passages. My=20
>> cylinderhead has only a passage just beneath outlet port no 6. The other=20=

>> cylinderhead has passages beneath every outlet port. I didn't know of=20
>> this difference=C3=82  between 6 cylinder heads.
>>=20
>>=20
>> Just a WAG. In the late 1960s and 1970s SMOG regulations were kicking=20
>> in. One of the first things that manufacturers did was have their=20
>> engines run hotter. Some manufacturers accomplished that by reducing=20
>> coolant flow through cylinder heads, reducing passage size and/ or=20
>> eliminating cooling passages. My WAG is that you have a late TR6 head=20
>> intended for the US or just California market. I suggest going shopping=20=

>> for an earlier head that still has all the passages.
>>=20
>> TeriAnn
>> Who knows nothing about TR6 heads
>>=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/vfracing@aol=
.com
>=20
>=20

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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">Make certain that the gasket also has the a=
ccommodating holes!<br><br><div dir=3D"ltr">Sent from my iPhone</div><div di=
r=3D"ltr"><br><blockquote type=3D"cite">On Nov 30, 2019, at 11:56 AM, TeriAn=
n J. Wakeman via Fot &lt;[email-masked]&gt; wrote:<br><br></blockquote><=
/div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF
 =20
    <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DUTF-8"=
 =20
 =20
    <div class=3D"moz-cite-prefix">On 11/30/19 9:08 AM,
      <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:van.mulders.marce=
[email-masked]">[email-masked]</a> wrote:<br>
    </div>
    <blockquote type=3D"cite" cite=3D"mid:807951668.59641828.1575130095427.J=
[email-masked]">
      <pre class=3D"moz-quote-pre" wrap=3D"">That's interesting and may well=
 be the reason.
The passages (the one in my cylinderhead and the 6 holes in the other head) h=
ave a diameter of about 12mm). So these passages are facing the block and ar=
e located precisely beneath the exhaust ports. My cylinderhead has all the w=
ork done, so I'd rather add these passages than searching for another cylind=
erhead.
Marcel</pre>
    </blockquote>
    <p>There are usually thin walls between water passages and exhaust
      passage ways and the spaces around the combustion chambers follow
      curves. It is not just a straight drilled hole.</p>
    <p>I suggest you chalk up your existing head as practice and start
      again with an earlier head.</p>
    <p>TeriAnn<br>
    </p>
    <p><br>
    </p>
    <p><font size=3D"1" face=3D"Arial"><img src=3D"http://atlanticz.ca/zclub=
/techtips/headporting/exhaustport.jpg" width=3D"768" height=3D"512" border=3D=
"0" data-unique-identifier=3D""></font></p>
    <blockquote type=3D"cite" cite=3D"mid:807951668.59641828.1575130095427.J=
[email-masked]">
      <pre class=3D"moz-quote-pre" wrap=3D"">
----- Oorspronkelijk bericht -----
Van: "fot" <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email-masked].=
net">&lt;[email-masked]&gt;</a>
Aan: "fot" <a class=3D"moz-txt-link-rfc2396E" href=3D"mailto:[email-masked].=
net">&lt;[email-masked]&gt;</a>
Verzonden: Zaterdag 30 november 2019 16:50:06
Onderwerp: Re: [Fot] TR6 cylinderheads

Comparing the cylinderhead of this engine with another 6 cylinder head=20
(probably also from a TR6 , but from a=C3=82&nbsp; Triumph saloon is also po=
ssible)=20
: it turns out that my cylinderhead is lacking 5 coolant passages. My=20
cylinderhead has only a passage just beneath outlet port no 6. The other=20
cylinderhead has passages beneath every outlet port. I didn't know of=20
this difference=C3=82&nbsp; between 6 cylinder heads.

Just a WAG. In the late 1960s and 1970s SMOG regulations were kicking=20
in. One of the first things that manufacturers did was have their=20
engines run hotter. Some manufacturers accomplished that by reducing=20
coolant flow through cylinder heads, reducing passage size and/ or=20
eliminating cooling passages. My WAG is that you have a late TR6 head=20
intended for the US or just California market. I suggest going shopping=20
for an earlier head that still has all the passages.

TeriAnn
Who knows nothing about TR6 heads

</pre>
    </blockquote>
    <br>
 =20

<span>_______________________________________________</span><br><span>fot@au=
tox.team.net</span><br><span></span><br><span>http://www.fot-racing.com</spa=
n><br><span></span><br><span>Donate: http://www.team.net/donate.html</span><=
br><span>Archive: http://autox.team.net/archive http://www.team.net/pipermai=
l/fot</span><br><span>Unsubscribe/Manage: http://autox.team.net/mailman/opti=
ons/fot/[email-masked]</span><br><span></span><br><span></span><br></div><=
/blockquote></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

--===============7158002847732410959==--

---

From: Phil Gott via Fot <[email-masked]>
Date: Sat, 30 Nov 2019 12:54:39 -0500

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Sent from my iPhone

 an earlier head.

ible)=20

.com

 =20
 =20
----- Oorspronkelijk bericht -----

TeriAnn

</pre>
    </blockquote>
    <br>
 =20

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From: "van.mulders.marcel--- via Fot" <[email-masked]>
Date: Sat, 30 Nov 2019 20:01:34 +0100 (CET)

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Phill,=20
Mordy Dunst made the plain copper gaskets for me, together with steel O-rin=
gs. I asked him to NOT make the coolant passages in the gaskets. That's the=
 reason why it took so long to notice that my cylinderhead has fewer passag=
es!=20
I think I'm going to drill the missing holes in the cylinderhead (and in th=
e gasket!).=20
Teri Ann,=20
I would have to drill from beneath toward the water passage in the bottom l=
eft of your picture : it seems not to be very delicate. Probably the castin=
g is the same for earlier and later cylinderheads, only the drillings and m=
achining are different?=20
The holes I have to drill are in line with the holes for the studs and the =
TR6 cyl head is similar with the picture.=20
Marcel=20

Van: "Phil Gott" <[email-masked]>=20
Aan: "TeriAnn J. Wakeman" <[email-masked]>=20
Cc: "van mulders marcel" <[email-masked]>, "fot" <fot@autox.=
team.net>=20
Verzonden: Zaterdag 30 november 2019 18:54:39=20
Onderwerp: Re: [Fot] TR6 cylinderheads=20

Make certain that the gasket also has the accommodating holes!=20

Sent from my iPhone=20

On Nov 30, 2019, at 11:56 AM, TeriAnn J. Wakeman via Fot <[email-masked]=
t> wrote:=20

BQ_BEGIN

BQ_END

On 11/30/19 9:08 AM, [ mailto:[email-masked] | van.mulders.m=
[email-masked] ] wrote:=20

BQ_BEGIN

That's interesting and may well be the reason.
The passages (the one in my cylinderhead and the 6 holes in the other head)=
 have a diameter of about 12mm). So these passages are facing the block and=
 are located precisely beneath the exhaust ports. My cylinderhead has all t=
he work done, so I'd rather add these passages than searching for another c=
ylinderhead.
Marcel=20

BQ_END

There are usually thin walls between water passages and exhaust passage way=
s and the spaces around the combustion chambers follow curves. It is not ju=
st a straight drilled hole.=20

I suggest you chalk up your existing head as practice and start again with =
an earlier head.=20

TeriAnn=20

BQ_BEGIN

----- Oorspronkelijk bericht -----
Van: "fot" [ mailto:[email-masked] | <[email-masked]> ] Aan: "fot" =
[ mailto:[email-masked] | <[email-masked]> ] Verzonden: Zaterdag 30=
 november 2019 16:50:06
Onderwerp: Re: [Fot] TR6 cylinderheads

Comparing the cylinderhead of this engine with another 6 cylinder head=20
(probably also from a TR6 , but from a=C3=82=C2=A0 Triumph saloon is also p=
ossible)=20
: it turns out that my cylinderhead is lacking 5 coolant passages. My=20
cylinderhead has only a passage just beneath outlet port no 6. The other=20
cylinderhead has passages beneath every outlet port. I didn't know of=20
this difference=C3=82=C2=A0 between 6 cylinder heads.

TeriAnn
Who knows nothing about TR6 heads=20

BQ_END

_______________________________________________=20
[email-masked]=20

http://www.fot-racing.com=20

Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot=20
com=20

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<html><body><div style=3D"font-family: Verdana, Arial, Helvetica, sans-seri=
f; font-size: 10pt; color: #000000"><div>Phill,</div><div>Mordy Dunst made =
the plain copper gaskets for me, together with steel&nbsp; O-rings. I asked=
 him to NOT make the coolant passages in the gaskets. That's the reason why=
 it took so long to notice that my cylinderhead has fewer passages!</div><d=
iv>I think I'm going to drill the missing holes in the cylinderhead (and in=
 the gasket!).</div><div>Teri Ann,</div><div>I would have to drill from ben=
eath toward the water passage in the bottom left of your picture : it seems=
 not to be very delicate. Probably the casting is the same for earlier and =
later cylinderheads, only the drillings and machining are different?</div><=
div>The holes I have to drill are in line with the holes for the studs and =
the TR6 cyl head is similar with the picture.</div><div>Marcel</div><div><b=
r></div><hr id=3D"zwchr" data-marker=3D"__DIVIDER__"><div data-marker=3D"__=
HEADERS__"><b>Van: </b>"Phil Gott" &lt;[email-masked]&gt;<br><b>Aan: </b>=
"TeriAnn J. Wakeman" &lt;[email-masked]&gt;<br><b>Cc: </b>"van mulders=
 marcel" &lt;[email-masked]&gt;, "fot" &lt;[email-masked]=
t&gt;<br><b>Verzonden: </b>Zaterdag 30 november 2019 18:54:39<br><b>Onderwe=
rp: </b>Re: [Fot] TR6 cylinderheads<br></div><br><div data-marker=3D"__QUOT=
ED_TEXT__"><div>Make certain that the gasket also has the accommodating hol=
es!<br><br><div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br><=
blockquote>On Nov 30, 2019, at 11:56 AM, TeriAnn J. Wakeman via Fot &lt;fot=
@autox.team.net&gt; wrote:<br><br></blockquote></div><blockquote><div dir=
=3D"ltr">=EF=BB=BF
 =20
    </div></blockquote>
 =20
 =20
    <div>On 11/30/19 9:08 AM,
      <a href=3D"mailto:[email-masked]" target=3D"_blank" re=
l=3D"nofollow noopener noreferrer">[email-masked]</a> wrote:=
<br>
    </div>
    <blockquote>
      <pre class=3D"moz-quote-pre">That's interesting and may well be the r=
eason.
The passages (the one in my cylinderhead and the 6 holes in the other head)=
 have a diameter of about 12mm). So these passages are facing the block and=
 are located precisely beneath the exhaust ports. My cylinderhead has all t=
he work done, so I'd rather add these passages than searching for another c=
ylinderhead.
Marcel</pre>
    </blockquote>
    <p>There are usually thin walls between water passages and exhaust
      passage ways and the spaces around the combustion chambers follow
      curves. It is not just a straight drilled hole.</p>
    <p>I suggest you chalk up your existing head as practice and start
      again with an earlier head.</p>
    <p>TeriAnn<br>
    </p>
    <p><br>
    </p>
    <p><span size=3D"1" face=3D"Arial" data-mce-style=3D"font-family: Arial=
; font-size: xx-small;" style=3D"font-family: Arial; font-size: xx-small;">=
<img width=3D"768" height=3D"512" border=3D"0" src=3D"http://atlanticz.ca/z=
club/techtips/headporting/exhaustport.jpg" saveddisplaymode=3D""></span></p=
    <blockquote>
      <pre class=3D"moz-quote-pre">----- Oorspronkelijk bericht -----
Van: "fot" <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"n=
ofollow noopener noreferrer">&lt;[email-masked]&gt;</a>
Aan: "fot" <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"n=
ofollow noopener noreferrer">&lt;[email-masked]&gt;</a>
Verzonden: Zaterdag 30 november 2019 16:50:06
Onderwerp: Re: [Fot] TR6 cylinderheads

(probably also from a TR6 , but from a=C3=82&nbsp; Triumph saloon is also p=
ossible)=20

TeriAnn

</pre>
    </blockquote>
    <br>
 =20

_______________________________________________<br>[email-masked]<br><b=
r>http://www.fot-racing.com<br><br>Donate: http://www.team.net/donate.html<=
br>Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot=
<br>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/vfracing@=
aol.com<br><br><br></div><br></div></div></body></html>
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