Subject: Re: [Healeys] Carburators on 1960's Era Rally Cars

From: richard mayor via Healeys <[email-masked]>
Date: Sun, 4 Jan 2026 10:50:57 -0800

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Ken Rudd made go fast parts and sold them under the name Rudd Speed.  =
They were not used on factory (works) cars.  Rudd speed manifolds were =
for SU carbs.  Works rally cars used Webers.

Richard Mayor
[email-masked]

> On Jan 4, 2026, at 10:33=E2=80=AFAM, Harold Manifold =
<[email-masked]> wrote:
>=20
> Hello,
>=20
> I am considering updating the carburetor setup on my MkI BT7 to match =
the configuration used on the factory rally cars. I have seen photos of =
the Rudd Speed triple HD6 arrangement and was wondering if this is the =
setup the rally cars utilized.
>=20
> Any information or photos you could provide would be greatly =
appreciated. My goal is to ensure the setup remains period-correct.
>=20
> Thanks,
> Harold
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
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>=20
> Archive: http://www.team.net/pipermail/healeys =
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">Ken Rudd made =
go fast parts and sold them under the name Rudd Speed. &nbsp;They were =
not used on factory (works) cars. &nbsp;Rudd speed manifolds were for SU =
carbs. &nbsp;Works rally cars used Webers.<div><br =
id=3D"lineBreakAtBeginningOfMessage"><div>
<div>Richard =
Mayor</div><div>[email-masked]</div><div><br></div><br =
class=3D"Apple-interchange-newline">

</div>
<div><br><blockquote type=3D"cite"><div>On Jan 4, 2026, at 10:33=E2=80=AFA=
M, Harold Manifold &lt;[email-masked]&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><div =
dir=3D"ltr"><div>Hello,</div><div><br></div><div>I am considering =
updating the carburetor setup on my MkI BT7 to match the configuration =
used on the factory rally cars. I have seen photos of the Rudd Speed =
triple HD6 arrangement and was wondering if this is the setup the rally =
cars utilized.</div><div><br></div><div>Any information or photos you =
could provide would be greatly appreciated. My goal is to ensure the =
setup remains =
period-correct.</div><div><br></div><div>Thanks,</div><div>Harold</div></d=
iv>
_______________________________________________<br>Support Team.Net =
&nbsp;$12.75<br><br>Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys<br><br>[email-masked]<br>htt=
p://autox.team.net/mailman/listinfo/healeys<br><br>Unsubscribe/Manage: =
http://autox.team.net/mailman/options/healeys/[email-masked]<br><br=
></div></blockquote></div><br></div></body></html>=

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_______________________________________________

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

[email-masked]
http://autox.team.net/mailman/listinfo/healeys

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---

From: David Wirken via Healeys <[email-masked]>
Date: Sun, 4 Jan 2026 14:17:36 -0600

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In Reading the book "Works Rally Cars by Graham Robson , it is noted "
Triple-SU engines producing about 170bhp were fitted from 1960, then
aluminium cylinder heads and triple Weber carburettors ( with a peak output
of about 210bhp) followed in 1962

On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richard mayor via Healeys <
[email-masked]> wrote:

> Ken Rudd made go fast parts and sold them under the name Rudd Speed.  The=
y
> were not used on factory (works) cars.  Rudd speed manifolds were for SU
> carbs.  Works rally cars used Webers.
>
> Richard Mayor
> [email-masked]
>
>
>
> On Jan 4, 2026, at 10:33=E2=80=AFAM, Harold Manifold <[email-masked]>=
 wrote:
>
> Hello,
>
> I am considering updating the carburetor setup on my MkI BT7 to match the
> configuration used on the factory rally cars. I have seen photos of the
> Rudd Speed triple HD6 arrangement and was wondering if this is the setup
> the rally cars utilized.
>
> Any information or photos you could provide would be greatly appreciated.
> My goal is to ensure the setup remains period-correct.
>
> Thanks,
> Harold
> Unsubscribe/Manage:
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/[email-masked]
>
>

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<div dir=3D"ltr">In Reading the book &quot;Works Rally Cars by Graham Robso=
n , it is noted &quot; Triple-SU engines producing about 170bhp were fitted=
 from 1960, then aluminium cylinder=C2=A0heads and triple Weber carburettor=
s ( with a peak output of about 210bhp) followed in 1962</div><br><div clas=
s=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_att=
r">On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richard mayor via Healeys &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote=
:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Ken Rudd =
made go fast parts and sold them under the name Rudd Speed.=C2=A0 They were=
 not used on factory (works) cars.=C2=A0 Rudd speed manifolds were for SU c=
arbs.=C2=A0 Works rally cars used Webers.<div><br id=3D"m_73968041062758933=
75lineBreakAtBeginningOfMessage"><div>
<div>Richard Mayor</div><div><a href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a></div><div><br></div><br>

</div>
<div><br><blockquote type=3D"cite"><div>On Jan 4, 2026, at 10:33=E2=80=AFAM=
, Harold Manifold &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k">[email-masked]</a>&gt; wrote:</div><br><div><div dir=3D"ltr"><div>He=
llo,</div><div><br></div><div>I am considering updating the carburetor setu=
p on my MkI BT7 to match the configuration used on the factory rally cars. =
I have seen photos of the Rudd Speed triple HD6 arrangement and was wonderi=
ng if this is the setup the rally cars utilized.</div><div><br></div><div>A=
ny information or photos you could provide would be greatly appreciated. My=
 goal is to ensure the setup remains period-correct.</div><div><br></div><d=
iv>Thanks,</div><div>Harold</div></div>
_______________________________________________<br>Support Team.Net <a href=
=3D"http://www.team.net/donate.html" target=3D"_blank">http://www.team.net/=
donate.html</a><br>Suggested annual donation =C2=A0$12.75<br><br>Archive: <=
a href=3D"http://www.team.net/pipermail/healeys" target=3D"_blank">http://w=
ww.team.net/pipermail/healeys</a> <a href=3D"http://autox.team.net/archive/=
healeys" target=3D"_blank">http://autox.team.net/archive/healeys</a><br><br=
><a href=3D"mailto:[email-masked]" target=3D"_blank">Healeys@autox.=
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target=3D"_blank">http://autox.team.net/mailman/listinfo/healeys</a><br><br=
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ys/[email-masked]" target=3D"_blank">http://autox.team.net/mailman/o=
ptions/healeys/[email-masked]</a><br><br></div></blockquote></div><b=
r></div></div>_______________________________________________<br>
rer" target=3D"_blank">http://www.team.net/donate.html</a><br>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys" rel=3D"noreferre=
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</blockquote></div>

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[email-masked]

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From: Harold Manifold <[email-masked]>
Date: Sun, 4 Jan 2026 15:30:26 -0800

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Thanks David. I am interested in the triple SU engines. Does Robson book
say if the carbs HD6 or HD8? Does anyone have a picture of the 1960 triple
SU engine?

Harold

On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David Wirken <[email-masked]> =
wrote:

> aluminium cylinder heads and triple Weber carburettors ( with a peak outp=
ut
>> Ken Rudd made go fast parts and sold them under the name Rudd Speed.
>> They were not used on factory (works) cars.  Rudd speed manifolds were f=
or
>> SU carbs.  Works rally cars used Webers.
>>
>> Richard Mayor
>> [email-masked]
>>
>>
>>
>> On Jan 4, 2026, at 10:33=E2=80=AFAM, Harold Manifold <[email-masked]=
> wrote:
>>
>> Hello,
>>
>> I am considering updating the carburetor setup on my MkI BT7 to match th=
e
>> Any information or photos you could provide would be greatly appreciated=
.
>> My goal is to ensure the setup remains period-correct.

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<div dir=3D"ltr">Thanks David. I am interested in the triple=C2=A0SU engine=
s. Does Robson book say if the carbs HD6 or HD8? Does anyone=C2=A0have a pi=
cture of the 1960 triple SU engine?<div><br></div><div>Harold</div></div><b=
r><div class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=
=3D"gmail_attr">On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David Wirken &lt;<a=
 href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">In=
 Reading the book &quot;Works Rally Cars by Graham Robson , it is noted &qu=
ot; Triple-SU engines producing about 170bhp were fitted from 1960, then al=
uminium cylinder=C2=A0heads and triple Weber carburettors ( with a peak out=
put of about 210bhp) followed in 1962</div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM=
 richard mayor via Healeys &lt;<a href=3D"mailto:[email-masked]" ta=
rget=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div>Ken Rudd made go fast parts and =
sold them under the name Rudd Speed.=C2=A0 They were not used on factory (w=
orks) cars.=C2=A0 Rudd speed manifolds were for SU carbs.=C2=A0 Works rally=
 cars used Webers.<div><br id=3D"m_-3298261361232593776m_739680410627589337=
5lineBreakAtBeginningOfMessage"><div>
<div>Richard Mayor</div><div><a href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a></div><div><br></div><br>

</div>

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[email-masked]

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From: "simon.lachlan--- via Healeys" <[email-masked]> <[email-masked]>
Date: Mon, 5 Jan 2026 04:30:13 +0000

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[email-masked]

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From: "Dirk Maier" <[email-masked]>
Date: Mon, 5 Jan 2026 08:57:52 +0100 boundary="----=_NextPart_000_0018_01DC7E21.60736CB0"

This is a multipart message in MIME format.

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Hello,

=20

here are some pics,

=20

Kind regards

Dirk Maier

=20

Von: Healeys <[email-masked]> Im Auftrag von Harold =
Manifold
Gesendet: Montag, 5. Januar 2026 00:30
An: David Wirken <[email-masked]>
Cc: Healeys <[email-masked]>
Betreff: Re: [Healeys] Carburators on 1960's Era Rally Cars

=20

Thanks David. I am interested in the triple SU engines. Does Robson book =
say if the carbs HD6 or HD8? Does anyone have a picture of the 1960 =
triple SU engine?

=20

Harold

=20

On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David Wirken =

In Reading the book "Works Rally Cars by Graham Robson , it is noted " =
Triple-SU engines producing about 170bhp were fitted from 1960, then =
aluminium cylinder heads and triple Weber carburettors ( with a peak =
output of about 210bhp) followed in 1962

=20

On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richard mayor via Healeys =

=20

Richard Mayor

=20

=20

On Jan 4, 2026, at 10:33=E2=80=AFAM, Harold Manifold <[email-masked] =

=20

Hello,

=20

=20

=20

Thanks,

Harold

=20

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class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>Hello,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>here are some pics,<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>Kind regards<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'>Dirk Maier<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-la=
nguage:EN-US'><o:p>&nbsp;</o:p></span></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></=
b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Healeys &lt;[email-masked]&gt; <b>Im Auftrag von =
</b>Harold Manifold<br><b>Gesendet:</b> Montag, 5. Januar 2026 =
00:30<br><b>An:</b> David Wirken =
&lt;[email-masked]&gt;<br><b>Cc:</b> Healeys =
&lt;[email-masked]&gt;<br><b>Betreff:</b> Re: [Healeys] =
Carburators on 1960's Era Rally Cars<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>Thanks =
David. I am interested in the triple&nbsp;SU engines. Does Robson book =
say if the carbs HD6 or HD8? Does anyone&nbsp;have a picture of the 1960 =
triple SU engine?<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Harold<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>On =
Sun, Jan 4, 2026 at 12:17<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>PM David Wirken =
&lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=3DMsoNormal>In =
Reading the book &quot;Works Rally Cars by Graham Robson , it is noted =
&quot; Triple-SU engines producing about 170bhp were fitted from 1960, =
then aluminium cylinder&nbsp;heads and triple Weber carburettors ( with =
a peak output of about 210bhp) followed in 1962<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>On =
Sun, Jan 4, 2026 at 1:35<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>PM richard =
mayor via Healeys &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=3DMsoNormal>Ken =
Rudd made go fast parts and sold them under the name Rudd Speed.&nbsp; =
They were not used on factory (works) cars.&nbsp; Rudd speed manifolds =
were for SU carbs.&nbsp; Works rally cars used =
Webers.<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal>Richard Mayor<o:p></o:p></p></div><div><p =
class=3DMsoNormal><a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a><o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal><br><br><o:p></o:p></p><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal>On Jan 4, 2026, at 10:33<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>AM, Harold =
Manifold &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><div><p =
class=3DMsoNormal>Hello,<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>I =
am considering updating the carburetor setup on my MkI BT7 to match the =
configuration used on the factory rally cars. I have seen photos of the =
Rudd Speed triple HD6 arrangement and was wondering if this is the setup =
the rally cars utilized.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Any information or photos you could provide would be =
greatly appreciated. My goal is to ensure the setup remains =
period-correct.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Thanks,<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Harold<o:p></o:p></p></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
_____<br>Support Team.Net <a href=3D"http://www.team.net/donate.html" =
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[email-masked]

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---

From: Robert Markovich via Healeys <[email-masked]>
Date: Mon, 5 Jan 2026 20:05:10 +0000 (UTC)

--===============3519040854321775364==
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I=E2=80=99m pretty sure they were triple HD8s based on Thelma Seigel=E2=80=
=99s red early 3000 race car. It was a step up from the Ken Rudd triple HD6=
 setup and a notch below triple webers. Question is, how much tuning is too=
 much for street use? And how long will even a built Healey six last at 600=
0 revs, remembering that this is a four main bearing engine and=C2=A0much o=
f its robustness was based on relatively low (5250) revs? High revs and a w=
ild cam=C2=A0make their power at those higher revs, of course. Kind of thin=
k the BJ8 tune plus a tad extra for perhaps 165 hp at no more than 5500 mig=
ht be tops for reliable street use, but it all depends=C2=A0on preferred us=
e (and budget!).=C2=A0Just a thought =E2=80=A6

Sent from the all new AOL app for iOS

On Monday, January 5, 2026, 10:24 AM, simon.lachlan--- via Healeys <healeys=
@autox.team.net> wrote:

 #yiv5512221677 P {margin-top:0;margin-bottom:0;}
The current HD6s and the Webers which I tried for a while.Simon
From:=C2=A0Healeys <[email-masked]> on behalf of Harold Man=
ifold <[email-masked]>
Sent:=C2=A0Sunday, January 04, 2026 23:30
To:=C2=A0David Wirken <[email-masked]>
Cc:=C2=A0Healeys <[email-masked]>
Subject:=C2=A0Re: [Healeys] Carburators on 1960's Era Rally Cars=20
Thanks David. I am interested in the triple=C2=A0SU engines. Does Robson bo=
ok say if the carbs HD6 or HD8? Does anyone=C2=A0have a picture of the 1960=
 triple SU engine?
Harold
On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David Wirken <[email-masked]> =
wrote:
In Reading the book "Works Rally Cars by Graham Robson , it is noted " Trip=
le-SU engines producing about 170bhp were fitted from 1960, then aluminium =
cylinder=C2=A0heads and triple Weber carburettors ( with a peak output of a=
bout 210bhp) followed in 1962
On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richard mayor via Healeys <healeys@a=
utox.team.net> wrote:
Ken Rudd made go fast parts and sold them under the name Rudd Speed.=C2=A0 =
They were not used on factory (works) cars.=C2=A0 Rudd speed manifolds were=
 for SU carbs.=C2=A0 Works rally cars used Webers.
Richard [email-masked]

On Jan 4, 2026, at 10:33=E2=80=AFAM, Harold Manifold <[email-masked]> w=
rote:
Hello,
I am considering updating the carburetor setup on my MkI BT7 to match the c=
onfiguration used on the factory rally cars. I have seen photos of the Rudd=
 Speed triple HD6 arrangement and was wondering if this is the setup the ra=
lly cars utilized.
Any information or photos you could provide would be greatly appreciated. M=
y goal is to ensure the setup remains period-correct.
Thanks,Harold_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys

[email-masked]

[email-masked]

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys

[email-masked]

nphoto.com

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys

[email-masked]

[email-masked]

------=_Part_7307761_543387232.1767643510047
Content-Transfer-Encoding: quoted-printable

<html xmlns=3D"http://www.w3.org/1999/xhtml" xmlns:v=3D"urn:schemas-microso=
ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><bo=
dy>
I=E2=80=99m pretty sure they were triple HD8s based on Thelma Seigel=E2=80=
=99s red early 3000 race car. It was a step up from the Ken Rudd triple HD6=
 setup and a notch below triple webers. Question is, how much tuning is too=
 much for street use? And how long will even a built Healey six last at 600=
0 revs, remembering that this is a four main bearing engine and&nbsp;much o=
f its robustness was based on relatively low (5250) revs? High revs and a w=
ild cam&nbsp;make their power at those higher revs, of course. Kind of thin=
k the BJ8 tune plus a tad extra for perhaps 165 hp at no more than 5500 mig=
ht be tops for reliable street use, but it all depends&nbsp;on preferred us=
e (and budget!).&nbsp;Just a thought =E2=80=A6<br><br><br><div class=3D"yah=
oo-signature"><a style=3D"font-size:12px" href=3D"https://aolapp.onelink.me=
/eG2g?pid=3DNativePlacement&amp;c=3DUS_Acquisition_YMktg_320_EmailSignature=
_AttributionDL&amp;af_sub1=3DAcquisition&amp;af_sub2=3DUS_YMktg&amp;af_sub3=
=3D&amp;af_sub4=3D100002473&amp;af_sub5=3DSentFromNewAOLApp__Interstitial_&=
amp;af_ios_store_cpp=3Dce85ce34-ad0f-4811-a92b-a172743b064e&amp;af_android_=
url=3Dhttps%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol=
.mobile.aolapp%26listing%3Demail_signature_attribution">Sent from the all n=
ew AOL app for iOS</a><br></div><br><p class=3D"yahoo-quoted-begin" style=
=3D"font-size: 15px; color: rgb(132, 115, 255); padding-top: 15px; margin-t=
op: 0px;">On Monday, January 5, 2026, 10:24 AM, simon.lachlan--- via Healey=
s &lt;[email-masked]&gt; wrote:</p><blockquote class=3D"iosymail"><=
div id=3D"yiv5512221677">

=20
<style type=3D"text/css">#yiv5512221677 P {margin-top:0;margin-bottom:0;}</=
style>

<div dir=3D"ltr">
<div style=3D"font-family:Aptos, Calibri, Helvetica, sans-serif;font-size:1=
2pt;color:rgb(0, 0, 0);">
<br>
</div>
<div id=3D"yiv5512221677appendonsend"></div>
<div style=3D"font-family:Aptos, Calibri, Helvetica, sans-serif;font-size:1=
2pt;color:rgb(0, 0, 0);" class=3D"yiv5512221677elementToProof">
The current HD6s and the Webers which I tried for a while.</div>
<div style=3D"font-family:Aptos, Calibri, Helvetica, sans-serif;font-size:1=
2pt;color:rgb(0, 0, 0);" class=3D"yiv5512221677elementToProof">
Simon</div>
<div style=3D"font-family:Calibri, Arial, Helvetica, sans-serif;font-size:1=
2pt;color:rgb(0, 0, 0);">
<br>
</div>
<hr style=3D"display:inline-block;width:98%;">
<div style=3D"font-family:Calibri, Arial, Helvetica, sans-serif;font-size:1=
2pt;color:rgb(0, 0, 0);">
<b>From:</b>&nbsp;Healeys &lt;[email-masked]&gt; on behalf =
of Harold Manifold &lt;[email-masked]&gt;<br>
<b>Sent:</b>&nbsp;Sunday, January 04, 2026 23:30<br>
<b>To:</b>&nbsp;David Wirken &lt;[email-masked]&gt;<br>
<b>Cc:</b>&nbsp;Healeys &lt;[email-masked]&gt;<br>
<b>Subject:</b>&nbsp;Re: [Healeys] Carburators on 1960's Era Rally Cars </d=
iv>
<div style=3D"font-family:Calibri, Arial, Helvetica, sans-serif;font-size:1=
2pt;color:rgb(0, 0, 0);">
<br>
</div>
<div style=3D"direction:ltr;">Thanks David. I am interested in the triple&n=
bsp;SU engines. Does Robson book say if the carbs HD6 or HD8? Does anyone&n=
bsp;have a picture of the 1960 triple SU engine?</div>
<div style=3D"direction:ltr;"><br>
</div>
<div style=3D"direction:ltr;">Harold</div>
<div><br>
</div>
<div style=3D"direction:ltr;">On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David=
 Wirken &lt;<a rel=3D"nofollow noopener noreferrer" id=3D"yiv5512221677OWA8=
de38ca1-5022-3487-6cb8-6d2cffa2f435" ymailto=3D"mailto:[email-masked]"=
 target=3D"_blank" href=3D"mailto:[email-masked]" class=3D"yiv55122216=
77OWAAutoLink">[email-masked]</a>&gt; wrote:</div>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left:=
1px solid rgb(204, 204, 204);">
<div style=3D"direction:ltr;">In Reading the book "Works Rally Cars by Grah=
am Robson , it is noted " Triple-SU engines producing about 170bhp were fit=
ted from 1960, then aluminium cylinder&nbsp;heads and triple Weber carburet=
tors ( with a peak output of about 210bhp)
 followed in 1962</div>
<div><br>
</div>
<div style=3D"direction:ltr;">On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richar=
d mayor via Healeys &lt;<a rel=3D"nofollow noopener noreferrer" id=3D"yiv55=
12221677OWAc21ee316-66cb-9e8b-2c67-f9a70c183540" ymailto=3D"mailto:healeys@=
autox.team.net" target=3D"_blank" href=3D"mailto:[email-masked]" cl=
ass=3D"yiv5512221677OWAAutoLink">[email-masked]</a>&gt; wrote:</div=
<blockquote style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left:=
1px solid rgb(204, 204, 204);">
<div>Ken Rudd made go fast parts and sold them under the name Rudd Speed.&n=
bsp; They were not used on factory (works) cars.&nbsp; Rudd speed manifolds=
 were for SU carbs.&nbsp; Works rally cars used Webers.</div>
<div><br>
</div>
<div>Richard Mayor</div>
<div><a rel=3D"nofollow noopener noreferrer" id=3D"yiv5512221677OWAb9c9d828=
-ec73-b8e5-1431-5f0e235d03a5" ymailto=3D"mailto:[email-masked]" targ=
et=3D"_blank" href=3D"mailto:[email-masked]" class=3D"yiv5512221677O=
WAAutoLink">[email-masked]</a></div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<blockquote>
<div>On Jan 4, 2026, at 10:33=E2=80=AFAM, Harold Manifold &lt;<a rel=3D"nof=
ollow noopener noreferrer" id=3D"yiv5512221677OWA72d3ef47-5321-e3d6-ecbc-c0=
121c30e9af" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D=
"mailto:[email-masked]" class=3D"yiv5512221677OWAAutoLink">manifold@tel=
us.net</a>&gt; wrote:</div>
<div><br>
</div>
<div style=3D"direction:ltr;">Hello,</div>
<div style=3D"direction:ltr;"><br>
</div>
<div style=3D"direction:ltr;">I am considering updating the carburetor setu=
p on my MkI BT7 to match the configuration used on the factory rally cars. =
I have seen photos of the Rudd Speed triple HD6 arrangement and was wonderi=
ng if this is the setup the rally
 cars utilized.</div>
<div style=3D"direction:ltr;"><br>
</div>
<div style=3D"direction:ltr;">Any information or photos you could provide w=
ould be greatly appreciated. My goal is to ensure the setup remains period-=
correct.</div>
<div style=3D"direction:ltr;"><br>
</div>
<div style=3D"direction:ltr;">Thanks,</div>
<div style=3D"direction:ltr;">Harold</div>
<div>_______________________________________________<br>
7OWAaa6701fc-b5f2-e53b-8241-66d0295525d9" target=3D"_blank" href=3D"http://=
www.team.net/donate.html" class=3D"yiv5512221677OWAAutoLink">
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</blockquote>
<div><br>
</div>
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[email-masked]

--===============3519040854321775364==--

---

From: Peter Dzwig via Healeys <[email-masked]>
Date: Tue, 6 Jan 2026 11:56:20 +0000

All,

the rally cars had different set ups from the race cars as the latter 
ran full speed for most of a long race. The former had less need for max 
speed and more for tractability and flexibility.

As Marcus Chambers told me, you specified a *model* (eg BN7) when 
homologating, but there weren't the same tight criteria that came into 
force much later. Beyond that you could use pretty much what parts you 
had available.

As far as I can work out, a lot of the set up was to meet the driver and 
co-driver's particular preferences (again see Browning's book) and 
varied from rally to rally, even for the same pairing.

Similarly cam profiles could vary between setups. As far as I have been 
able to understand the setup for most rally cars would have been 
somewhat closer to BJ8-style profiles, but I haven't been able to find 
an exact spec and it is widely believed that the works cars build lists 
were all destroyed/lost long ago.

In other words, you've got a lot of flexibility: build what suits you 
and bear in mind modern motoring conditions.

Peter

On 05/01/2026 20:05, Robert Markovich via Healeys wrote:
> I’m pretty sure they were triple HD8s based on Thelma Seigel’s red early 
> 3000 race car. It was a step up from the Ken Rudd triple HD6 setup and a 
> notch below triple webers. Question is, how much tuning is too much for 
> street use? And how long will even a built Healey six last at 6000 revs, 
> remembering that this is a four main bearing engine and much of its 
> robustness was based on relatively low (5250) revs? High revs and a wild 
> cam make their power at those higher revs, of course. Kind of think the 
> BJ8 tune plus a tad extra for perhaps 165 hp at no more than 5500 might 
> be tops for reliable street use, but it all depends on preferred use 
> (and budget!). Just a thought …
> 
> 
> Sent from the all new AOL app for iOS <https://aolapp.onelink.me/eG2g? 
> pid=NativePlacement&c=US_Acquisition_YMktg_320_EmailSignature_AttributionDL&af_sub1=Acquisition&af_sub2=US_YMktg&af_sub3=&af_sub4=100002473&af_sub5=SentFromNewAOLApp__Interstitial_&af_ios_store_cpp=ce85ce34-ad0f-4811-a92b-a172743b064e&af_android_url=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demail_signature_attribution>
> 
> On Monday, January 5, 2026, 10:24 AM, simon.lachlan--- via Healeys 
> <[email-masked]> wrote:
> 
> 
>     ------------------------------------------------------------------------
>     *From:* Healeys <[email-masked]> on behalf of Harold
>     Manifold <[email-masked]>
>     *Sent:* Sunday, January 04, 2026 23:30
>     *To:* David Wirken <[email-masked]>
>     *Cc:* Healeys <[email-masked]>
>     *Subject:* Re: [Healeys] Carburators on 1960's Era Rally Cars
> 
>     Thanks David. I am interested in the triple SU engines. Does Robson
>     book say if the carbs HD6 or HD8? Does anyone have a picture of the
>     1960 triple SU engine?
> 
>     Harold
> 
>     On Sun, Jan 4, 2026 at 12:17 PM David Wirken <[email-masked]
>     <mailto:[email-masked]>> wrote:
> 
>         In Reading the book "Works Rally Cars by Graham Robson , it is
>         noted " Triple-SU engines producing about 170bhp were fitted
>         from 1960, then aluminium cylinder heads and triple Weber
>         carburettors ( with a peak output of about 210bhp) followed in 1962
> 
>         On Sun, Jan 4, 2026 at 1:35 PM richard mayor via Healeys
>         <[email-masked] <mailto:[email-masked]>> wrote:
> 
>             Ken Rudd made go fast parts and sold them under the name
>             Rudd Speed.  They were not used on factory (works) cars. 
>             Rudd speed manifolds were for SU carbs.  Works rally cars
>             used Webers.
> 
>             Richard Mayor
>             [email-masked] <mailto:[email-masked]>
> 
> 
> 
>                 On Jan 4, 2026, at 10:33 AM, Harold Manifold
>                 <[email-masked] <mailto:[email-masked]>> wrote:
> 
>                 Hello,
> 
>                 I am considering updating the carburetor setup on my MkI
>                 BT7 to match the configuration used on the factory rally
>                 cars. I have seen photos of the Rudd Speed triple HD6
>                 arrangement and was wondering if this is the setup the
>                 rally cars utilized.
> 
>                 Any information or photos you could provide would be
>                 greatly appreciated. My goal is to ensure the setup
>                 remains period-correct.
> 
>                 Thanks,
>                 Harold
>                 <http://www.team.net/donate.html>
>                 Archive: http://www.team.net/pipermail/healeys <http://
>                 www.team.net/pipermail/healeys> http://autox.team.net/
>                 archive/healeys <http://autox.team.net/archive/healeys>
> 
>                 [email-masked] <mailto:[email-masked]>
>                 http://autox.team.net/mailman/listinfo/healeys <http://
>                 autox.team.net/mailman/listinfo/healeys>
> 
>                 Unsubscribe/Manage: http://autox.team.net/mailman/
>                 options/healeys/[email-masked] <http://
>                 autox.team.net/mailman/options/healeys/
>                 [email-masked]>
> 
> 
>             Support Team.Net http://www.team.net/donate.html <http://
>             www.team.net/donate.html>
>             Archive: http://www.team.net/pipermail/healeys <http://
>             www.team.net/pipermail/healeys> http://autox.team.net/
>             archive/healeys <http://autox.team.net/archive/healeys>
> 
>             [email-masked] <mailto:[email-masked]>
>             http://autox.team.net/mailman/listinfo/healeys <http://
>             autox.team.net/mailman/listinfo/healeys>
> 
>             Unsubscribe/Manage: http://autox.team.net/mailman/options/
>             healeys/[email-masked] <http://autox.team.net/mailman/
>             options/healeys/[email-masked]>
> 
>     Support Team.Net http://www.team.net/donate.html <http://
>     www.team.net/donate.html>
>     Archive: http://www.team.net/pipermail/healeys <http://www.team.net/
>     pipermail/healeys> http://autox.team.net/archive/healeys <http://
>     autox.team.net/archive/healeys>
> 
>     [email-masked] <mailto:[email-masked]>
>     http://autox.team.net/mailman/listinfo/healeys <http://
>     autox.team.net/mailman/listinfo/healeys>
> 
>     Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/
>     [email-masked] <http://autox.team.net/mailman/options/healeys/
>     [email-masked]>
> 
> 
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/[email-masked]
> 

-- 
Dr. Peter Dzwig

[email-masked]

Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/[email-masked]

---

From: Robert Markovich via Healeys <[email-masked]>
Date: Tue, 6 Jan 2026 14:35:18 +0000 (UTC)

--===============4259645620218756495==
	boundary="----=_Part_7647651_2132508415.1767710118434"

------=_Part_7647651_2132508415.1767710118434
Content-Transfer-Encoding: quoted-printable

Kind of hard to beat the BJ8 cam for the street,=C2=A0which was works-inspi=
red and still maintained the low end torque that is the Healey=C2=A0six=E2=
=80=99s calling card. Yet even the BJ8 feels a bit soft below 1500 rpm or s=
o=E2=80=94thanks partly to the big HD8 carbs=E2=80=94before pulling you bac=
k in your seat. Contemporary road tests also=C2=A0noted more peakiness with=
 this setup. I imagine triple HD6s would also work well=C2=A0(and per Hank =
Leach would have been better than the HS4s=C2=A0for the Mark II tri-carb 30=
00s). The rally cars prized back some=C2=A0low end torque by using the earl=
ier 4.1 rear and even the 4.3 and beyond, depending on the race or rally. L=
ots of options!

On Tuesday, January 6, 2026, 6:56 AM, Peter Dzwig <[email-masked]=

All,

the rally cars had different set ups from the race cars as the latter=20
ran full speed for most of a long race. The former had less need for max=20
speed and more for tractability and flexibility.

As Marcus Chambers told me, you specified a *model* (eg BN7) when=20
homologating, but there weren't the same tight criteria that came into=20
force much later. Beyond that you could use pretty much what parts you=20
had available.

As far as I can work out, a lot of the set up was to meet the driver and=20
co-driver's particular preferences (again see Browning's book) and=20
varied from rally to rally, even for the same pairing.

Similarly cam profiles could vary between setups. As far as I have been=20
able to understand the setup for most rally cars would have been=20
somewhat closer to BJ8-style profiles, but I haven't been able to find=20
an exact spec and it is widely believed that the works cars build lists=20
were all destroyed/lost long ago.

In other words, you've got a lot of flexibility: build what suits you=20
and bear in mind modern motoring conditions.

Peter

On 05/01/2026 20:05, Robert Markovich via Healeys wrote:
> I=E2=80=99m pretty sure they were triple HD8s based on Thelma Seigel=E2=
=80=99s red early=20
> 3000 race car. It was a step up from the Ken Rudd triple HD6 setup and a=
=20
> notch below triple webers. Question is, how much tuning is too much for=
=20
> street use? And how long will even a built Healey six last at 6000 revs,=
=20
> remembering that this is a four main bearing engine and=C2=A0much of its=
=20
> robustness was based on relatively low (5250) revs? High revs and a wild=
=20
> cam=C2=A0make their power at those higher revs, of course. Kind of think =
the=20
> BJ8 tune plus a tad extra for perhaps 165 hp at no more than 5500 might=
=20
> be tops for reliable street use, but it all depends=C2=A0on preferred use=
=20
> (and budget!).=C2=A0Just a thought =E2=80=A6
>=20
>=20
> Sent from the all new AOL app for iOS <https://aolapp.onelink.me/eG2g?=20
> pid=3DNativePlacement&c=3DUS_Acquisition_YMktg_320_EmailSignature_Attribu=
tionDL&af_sub1=3DAcquisition&af_sub2=3DUS_YMktg&af_sub3=3D&af_sub4=3D100002=
473&af_sub5=3DSentFromNewAOLApp__Interstitial_&af_ios_store_cpp=3Dce85ce34-=
ad0f-4811-a92b-a172743b064e&af_android_url=3Dhttps%3A%2F%2Fplay.google.com%=
2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demail_sig=
nature_attribution>
>=20
> On Monday, January 5, 2026, 10:24 AM, simon.lachlan--- via Healeys=20
>=C2=A0 =C2=A0 The current HD6s and the Webers which I tried for a while.
>=C2=A0 =C2=A0 Simon
>=20
>=C2=A0 =C2=A0 ------------------------------------------------------------=
------------
>=C2=A0 =C2=A0 *From:*=C2=A0Healeys <[email-masked]> on beh=
alf of Harold
>=C2=A0 =C2=A0 Manifold <[email-masked]>
>=C2=A0 =C2=A0 *Sent:*=C2=A0Sunday, January 04, 2026 23:30
>=C2=A0 =C2=A0 *To:*=C2=A0David Wirken <[email-masked]>
>=C2=A0 =C2=A0 *Cc:*=C2=A0Healeys <[email-masked]>
>=C2=A0 =C2=A0 *Subject:*=C2=A0Re: [Healeys] Carburators on 1960's Era Rall=
y Cars
>=20
>=C2=A0 =C2=A0 Thanks David. I am interested in the triple=C2=A0SU engines.=
 Does Robson
>=C2=A0 =C2=A0 book say if the carbs HD6 or HD8? Does anyone=C2=A0have a pi=
cture of the
>=C2=A0 =C2=A0 1960 triple SU engine?
>=20
>=C2=A0 =C2=A0 Harold
>=20
>=C2=A0 =C2=A0 On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David Wirken <dmw@wi=
rkenphoto.com
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 In Reading the book "Works Rally Cars by Graha=
m Robson , it is
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 noted " Triple-SU engines producing about 170b=
hp were fitted
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 from 1960, then aluminium cylinder=C2=A0heads =
and triple Weber
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 carburettors ( with a peak output of about 210=
bhp) followed in 1962
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richard=
 mayor via Healeys
team.net>> wrote:
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Ken Rudd made go fast parts and =
sold them under the name
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Rudd Speed.=C2=A0 They were not =
used on factory (works) cars.=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Rudd speed manifolds were for SU=
 carbs.=C2=A0 Works rally cars
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 used Webers.
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Richard Mayor
[email-masked]>
>=20
>=20
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 On Jan 4, 2026, at=
 10:33=E2=80=AFAM, Harold Manifold
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <[email-masked]=
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Hello,
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 I am considering u=
pdating the carburetor setup on my MkI
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 BT7 to match the c=
onfiguration used on the factory rally
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 cars. I have seen =
photos of the Rudd Speed triple HD6
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 arrangement and wa=
s wondering if this is the setup the
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 rally cars utilize=
d.
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Any information or=
 photos you could provide would be
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 greatly appreciate=
d. My goal is to ensure the setup
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 remains period-cor=
rect.
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Thanks,
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Harold
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 __________________=
_____________________________
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Support Team.Net h=
ttp://www.team.net/donate.html
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <http://www.team.n=
et/donate.html>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Suggested annual d=
onation =C2=A0$12.75
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Archive: http://ww=
w.team.net/pipermail/healeys <http://
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 www.team.net/piper=
mail/healeys> http://autox.team.net/
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 archive/healeys <h=
ttp://autox.team.net/archive/healeys>
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 [email-masked]=
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 http://autox.team.=
net/mailman/listinfo/healeys <http://
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 autox.team.net/mai=
lman/listinfo/healeys>
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>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Unsubscribe/Manage=
: http://autox.team.net/mailman/
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 options/healeys/bo=
[email-masked] <http://
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 autox.team.net/mai=
lman/options/healeys/
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 boyracer466@gmail.=
com>
>=20
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ________________________________=
_______________
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Support Team.Net http://www.team=
.net/donate.html <http://
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 www.team.net/donate.html>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Suggested annual donation=C2=A0 =
$12.75
>=20
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Archive: http://www.team.net/pip=
ermail/healeys <http://
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 www.team.net/pipermail/healeys> =
http://autox.team.net/
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 archive/healeys <http://autox.te=
am.net/archive/healeys>
[email-masked]>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 http://autox.team.net/mailman/li=
stinfo/healeys <http://
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 autox.team.net/mailman/listinfo/=
healeys>
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>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Unsubscribe/Manage: http://autox=
.team.net/mailman/options/
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 healeys/[email-masked] <htt=
p://autox.team.net/mailman/
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 options/healeys/dmw@wirkenphoto.=
com>
>=20
>=C2=A0 =C2=A0 _______________________________________________
>=C2=A0 =C2=A0 Support Team.Net http://www.team.net/donate.html <http://
>=C2=A0 =C2=A0 www.team.net/donate.html>
>=C2=A0 =C2=A0 Suggested annual donation=C2=A0 $12.75
>=20
>=C2=A0 =C2=A0 Archive: http://www.team.net/pipermail/healeys <http://www.t=
eam.net/
>=C2=A0 =C2=A0 pipermail/healeys> http://autox.team.net/archive/healeys <ht=
tp://
>=C2=A0 =C2=A0 autox.team.net/archive/healeys>
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>=C2=A0 =C2=A0 http://autox.team.net/mailman/listinfo/healeys <http://
>=C2=A0 =C2=A0 autox.team.net/mailman/listinfo/healeys>
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>=C2=A0 =C2=A0 [email-masked] <http://autox.team.net/mailman/options/he=
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>=C2=A0 =C2=A0 [email-masked]>
>=20
>=20
> Suggested annual donation=C2=A0 $12.75
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ive/healeys
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summaventures.com

--=20
Dr. Peter Dzwig

------=_Part_7647651_2132508415.1767710118434
Content-Transfer-Encoding: quoted-printable

<html xmlns=3D"http://www.w3.org/1999/xhtml" xmlns:v=3D"urn:schemas-microso=
ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><bo=
dy>
Kind of hard to beat the BJ8 cam for the street,&nbsp;which was works-inspi=
red and still maintained the low end torque that is the Healey&nbsp;six=E2=
=80=99s calling card. Yet even the BJ8 feels a bit soft below 1500 rpm or s=
o=E2=80=94thanks partly to the big HD8 carbs=E2=80=94before pulling you bac=
k in your seat. Contemporary road tests also&nbsp;noted more peakiness with=
 this setup. I imagine triple HD6s would also work well&nbsp;(and per Hank =
Leach would have been better than the HS4s&nbsp;for the Mark II tri-carb 30=
00s). The rally cars prized back some&nbsp;low end torque by using the earl=
ier 4.1 rear and even the 4.3 and beyond, depending on the race or rally. L=
ots of options!<br><br><br><div class=3D"yahoo-signature"><a style=3D"font-=
size:12px" href=3D"https://aolapp.onelink.me/eG2g?pid=3DNativePlacement&amp=
;c=3DUS_Acquisition_YMktg_320_EmailSignature_AttributionDL&amp;af_sub1=3DAc=
quisition&amp;af_sub2=3DUS_YMktg&amp;af_sub3=3D&amp;af_sub4=3D100002473&amp=
;af_sub5=3DSentFromNewAOLApp__Interstitial_&amp;af_ios_store_cpp=3Dce85ce34=
-ad0f-4811-a92b-a172743b064e&amp;af_android_url=3Dhttps%3A%2F%2Fplay.google=
.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%26listing%3Demai=
l_signature_attribution">Sent from the all new AOL app for iOS</a><br></div=
><br><p class=3D"yahoo-quoted-begin" style=3D"font-size: 15px; color: rgb(1=
32, 115, 255); padding-top: 15px; margin-top: 0px;">On Tuesday, January 6, =
2026, 6:56 AM, Peter Dzwig &lt;[email-masked]&gt; wrote:</p><bloc=
kquote class=3D"iosymail"><div dir=3D"ltr">All,<br clear=3D"none"><br clear=
=3D"none">the rally cars had different set ups from the race cars as the la=
tter <br clear=3D"none">ran full speed for most of a long race. The former =
had less need for max <br clear=3D"none">speed and more for tractability an=
d flexibility.<br clear=3D"none"><br clear=3D"none">As Marcus Chambers told=
 me, you specified a *model* (eg BN7) when <br clear=3D"none">homologating,=
 but there weren't the same tight criteria that came into <br clear=3D"none=
">force much later. Beyond that you could use pretty much what parts you <b=
r clear=3D"none">had available.<br clear=3D"none"><br clear=3D"none">As far=
 as I can work out, a lot of the set up was to meet the driver and <br clea=
r=3D"none">co-driver's particular preferences (again see Browning's book) a=
nd <br clear=3D"none">varied from rally to rally, even for the same pairing=
.<br clear=3D"none"><br clear=3D"none">Similarly cam profiles could vary be=
tween setups. As far as I have been <br clear=3D"none">able to understand t=
he setup for most rally cars would have been <br clear=3D"none">somewhat cl=
oser to BJ8-style profiles, but I haven't been able to find <br clear=3D"no=
ne">an exact spec and it is widely believed that the works cars build lists=
 <br clear=3D"none">were all destroyed/lost long ago.<br clear=3D"none"><br=
 clear=3D"none">In other words, you've got a lot of flexibility: build what=
 suits you <br clear=3D"none">and bear in mind modern motoring conditions.<=
br clear=3D"none"><br clear=3D"none">Peter<br clear=3D"none"><br clear=3D"n=
one">On 05/01/2026 20:05, Robert Markovich via Healeys wrote:<br clear=3D"n=
one">&gt; I=E2=80=99m pretty sure they were triple HD8s based on Thelma Sei=
gel=E2=80=99s red early <br clear=3D"none">&gt; 3000 race car. It was a ste=
p up from the Ken Rudd triple HD6 setup and a <br clear=3D"none">&gt; notch=
 below triple webers. Question is, how much tuning is too much for <br clea=
r=3D"none">&gt; street use? And how long will even a built Healey six last =
at 6000 revs, <br clear=3D"none">&gt; remembering that this is a four main =
bearing engine and&nbsp;much of its <br clear=3D"none">&gt; robustness was =
based on relatively low (5250) revs? High revs and a wild <br clear=3D"none=
">&gt; cam&nbsp;make their power at those higher revs, of course. Kind of t=
hink the <br clear=3D"none">&gt; BJ8 tune plus a tad extra for perhaps 165 =
hp at no more than 5500 might <br clear=3D"none">&gt; be tops for reliable =
street use, but it all depends&nbsp;on preferred use <br clear=3D"none">&gt=
; (and budget!).&nbsp;Just a thought =E2=80=A6<br clear=3D"none">&gt; <br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; Sent from the all new AOL app fo=
r iOS &lt;https://aolapp.onelink.me/eG2g? <br clear=3D"none">&gt; pid=3DNat=
ivePlacement&amp;c=3DUS_Acquisition_YMktg_320_EmailSignature_AttributionDL&=
amp;af_sub1=3DAcquisition&amp;af_sub2=3DUS_YMktg&amp;af_sub3=3D&amp;af_sub4=
=3D100002473&amp;af_sub5=3DSentFromNewAOLApp__Interstitial_&amp;af_ios_stor=
e_cpp=3Dce85ce34-ad0f-4811-a92b-a172743b064e&amp;af_android_url=3Dhttps%3A%=
2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.aol.mobile.aolapp%=
26listing%3Demail_signature_attribution&gt;<br clear=3D"none">&gt; <br clea=
r=3D"none">&gt; On Monday, January 5, 2026, 10:24 AM, simon.lachlan--- via =
Healeys <br clear=3D"none">&gt; &lt;<a shape=3D"rect" ymailto=3D"mailto:hea=
[email-masked]" href=3D"mailto:[email-masked]">[email-masked]=
eam.net</a>&gt; wrote:<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br c=
lear=3D"none">&gt;&nbsp; &nbsp;  The current HD6s and the Webers which I tr=
ied for a while.<br clear=3D"none">&gt;&nbsp; &nbsp;  Simon<br clear=3D"non=
e">&gt; <br clear=3D"none">&gt;&nbsp; &nbsp;  -----------------------------=
-------------------------------------------<br clear=3D"none">&gt;&nbsp; &n=
bsp;  *From:*&nbsp;Healeys &lt;<a shape=3D"rect" ymailto=3D"mailto:healeys-=
[email-masked]" href=3D"mailto:[email-masked]">heal=
[email-masked]</a>&gt; on behalf of Harold<br clear=3D"none">&g=
t;&nbsp; &nbsp;  Manifold &lt;<a shape=3D"rect" ymailto=3D"mailto:manifold@=
telus.net" href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br=
 clear=3D"none">&gt;&nbsp; &nbsp;  *Sent:*&nbsp;Sunday, January 04, 2026 23=
:30<br clear=3D"none">&gt;&nbsp; &nbsp;  *To:*&nbsp;David Wirken &lt;<a sha=
pe=3D"rect" ymailto=3D"mailto:[email-masked]" href=3D"mailto:dmw@wirke=
nphoto.com">[email-masked]</a>&gt;<br clear=3D"none">&gt;&nbsp; &nbsp;=
  *Cc:*&nbsp;Healeys &lt;<a shape=3D"rect" ymailto=3D"mailto:Healeys@autox.=
team.net" href=3D"mailto:[email-masked]">[email-masked]</a>=
&gt;<br clear=3D"none">&gt;&nbsp; &nbsp;  *Subject:*&nbsp;Re: [Healeys] Car=
burators on 1960's Era Rally Cars<br clear=3D"none">&gt; <br clear=3D"none"=
>&gt;&nbsp; &nbsp;  Thanks David. I am interested in the triple&nbsp;SU eng=
ines. Does Robson<br clear=3D"none">&gt;&nbsp; &nbsp;  book say if the carb=
s HD6 or HD8? Does anyone&nbsp;have a picture of the<br clear=3D"none">&gt;=
&nbsp; &nbsp;  1960 triple SU engine?<br clear=3D"none">&gt; <br clear=3D"n=
one">&gt;&nbsp; &nbsp;  Harold<br clear=3D"none">&gt; <br clear=3D"none">&g=
t;&nbsp; &nbsp;  On Sun, Jan 4, 2026 at 12:17=E2=80=AFPM David Wirken &lt;<=
a shape=3D"rect" ymailto=3D"mailto:[email-masked]" href=3D"mailto:dmw@=
wirkenphoto.com">[email-masked]</a><br clear=3D"none">&gt;&nbsp; &nbsp=
;  &lt;mailto:[email-masked]&gt;&gt; wrote:<br clear=3D"none">&gt; <br=
 clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp;  In Reading the book "Works=
 Rally Cars by Graham Robson , it is<br clear=3D"none">&gt;&nbsp; &nbsp; &n=
bsp; &nbsp;  noted " Triple-SU engines producing about 170bhp were fitted<b=
r clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp;  from 1960, then aluminium=
 cylinder&nbsp;heads and triple Weber<br clear=3D"none">&gt;&nbsp; &nbsp; &=
nbsp; &nbsp;  carburettors ( with a peak output of about 210bhp) followed i=
n 1962<br clear=3D"none">&gt; <br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &=
nbsp;  On Sun, Jan 4, 2026 at 1:35=E2=80=AFPM richard mayor via Healeys<br =
clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp;  &lt;<a shape=3D"rect" ymail=
to=3D"mailto:[email-masked]" href=3D"mailto:[email-masked]"=
>[email-masked]</a> &lt;mailto:[email-masked]&gt;&gt; wrote=
:<br clear=3D"none">&gt; <br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp;=
 &nbsp; &nbsp;  Ken Rudd made go fast parts and sold them under the name<br=
 clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Rudd Speed.&=
nbsp; They were not used on factory (works) cars. <br clear=3D"none">&gt;&n=
bsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Rudd speed manifolds were for SU c=
arbs.&nbsp; Works rally cars<br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nb=
sp; &nbsp; &nbsp;  used Webers.<br clear=3D"none">&gt; <br clear=3D"none">&=
gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Richard Mayor<br clear=3D"non=
e">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  <a shape=3D"rect" ymailto=
=3D"mailto:[email-masked]" href=3D"mailto:[email-masked]">boy=
[email-masked]</a> &lt;mailto:[email-masked]&gt;<br clear=3D"non=
e">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">=
&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  On Jan 4, 2026=
, at 10:33=E2=80=AFAM, Harold Manifold<br clear=3D"none">&gt;&nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  &lt;<a shape=3D"rect" ymailto=3D=
"mailto:[email-masked]" href=3D"mailto:[email-masked]">manifold@tel=
us.net</a> &lt;mailto:[email-masked]&gt;&gt; wrote:<br clear=3D"none">&=
gt; <br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=
 &nbsp;  Hello,<br clear=3D"none">&gt; <br clear=3D"none">&gt;&nbsp; &nbsp;=
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  I am considering updating the c=
arburetor setup on my MkI<br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp;=
 &nbsp; &nbsp; &nbsp; &nbsp;  BT7 to match the configuration used on the fa=
ctory rally<br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=
 &nbsp; &nbsp;  cars. I have seen photos of the Rudd Speed triple HD6<br cl=
ear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  a=
rrangement and was wondering if this is the setup the<br clear=3D"none">&gt=
;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  rally cars utiliz=
ed.<br clear=3D"none">&gt; <br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbs=
p; &nbsp; &nbsp; &nbsp; &nbsp;  Any information or photos you could provide=
 would be<br clear=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &=
nbsp; &nbsp;  greatly appreciated. My goal is to ensure the setup<br clear=
=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  rema=
ins period-correct.<br clear=3D"none">&gt; <br clear=3D"none">&gt;&nbsp; &n=
bsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Thanks,<br clear=3D"none">&=
gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Harold<br clear=
=3D"none">&gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  ____=
___________________________________________<br clear=3D"none">&gt;&nbsp; &n=
bsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  Support Team.Net <a shape=
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gt;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;  <a shape=3D"rect" ymailto=3D"=
mailto:[email-masked]" href=3D"mailto:[email-masked]">Heale=
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t" ymailto=3D"mailto:[email-masked]" href=3D"mailto:[email-masked]"=
>[email-masked]</a>&gt;<div class=3D"yqt3981927422" id=3D"yqtfd29784"><=
br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; ____=
___________________________________________<br clear=3D"none">&gt; Support =
Team.Net <a shape=3D"rect" href=3D"http://www.team.net/donate.html" target=
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ested annual donation&nbsp; $12.75<br clear=3D"none">&gt; <br clear=3D"none=
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http://autox.team.net/archive/healeys</a><br clear=3D"none">&gt; <br clear=
=3D"none">&gt; <a shape=3D"rect" ymailto=3D"mailto:[email-masked]" =
href=3D"mailto:[email-masked]">[email-masked]</a><br clear=
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ys/[email-masked]" target=3D"_blank">http://autox.team.net/mailma=
n/options/healeys/[email-masked]</a><br clear=3D"none">&gt; <br c=
lear=3D"none"><br clear=3D"none">-- <br clear=3D"none">Dr. Peter Dzwig<div =
class=3D"yqt3981927422" id=3D"yqtfd72116"><br clear=3D"none"><br clear=3D"n=
one"></div></div><blockquote></blockquote></blockquote>
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