Subject: Re: [TR] TR4

From: John Linney <[email-masked]>
Date: Sat, 16 Jan 2021 08:40:37 -0800

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Mine is a December 1963 built TR4 with crank breather tube, twin ZS and valv=
e cover vent to the carbs. I researched this some time ago and it seemed the=
 ZS carbs were introduced late summer of =E2=80=9863.=20

> On Jan 16, 2021, at 8:28 AM, Michael Burdick <[email-masked]> wrote:=

>=20
> =EF=BB=BF
> FWIW, I have 2 '64 TR4s (CT28xxx and CT35xxx) and both have ZS carbs with t=
he same crankcase vent system (valve cover vent into "flame trap" branching i=
nto the air filter housings).  My assumption was that this set up was implem=
ented for the 1964 model year only...
>=20
> Cheers,
> Mike
>=20
>> On Sat, Jan 16, 2021 at 9:47 AM dave <[email-masked]> wrote:
>> Here is an interesting video of a TR4 engine refresh.  Wish I could do it=
 that quickly!!!
>>=20
>> =20
>>=20
>> https://www.youtube.com/watch?v=3D1GAl_ScYOOY
>>=20
>> =20
>>=20
>> it look like an early car =E2=80=93 it has the round engine mounts, but i=
t also has ZS carbs.
>>=20
>> =20
>>=20
>> Clearly I was wrong =E2=80=93 I thought the ZS didn=E2=80=99t appear unti=
l the TR4a
>>=20
>> ** [email-masked] **
>>=20
>> Donate: http://www.team.net/donate.html
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>=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"><div dir=3D"ltr">Mine is a December 1963 bu=
ilt TR4 with crank breather tube, twin ZS and valve cover vent to the carbs.=
 I researched this some time ago and it seemed the ZS carbs were introduced l=
ate summer of =E2=80=9863.&nbsp;</div><div dir=3D"ltr"><br><blockquote type=3D=
"cite">On Jan 16, 2021, at 8:28 AM, Michael Burdick &lt;[email-masked]=
&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"=
ltr">=EF=BB=BF<div dir=3D"ltr">FWIW, I have 2 '64 TR4s (CT28xxx and CT35xxx)=
 and both have ZS carbs with the same crankcase vent system (valve cover ven=
t into "flame trap" branching into the air filter housings).&nbsp; My assump=
tion was that this set up was implemented for the 1964 model year only...<di=
v><br></div><div>Cheers,</div><div>Mike</div></div><br><div class=3D"gmail_q=
uote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jan 16, 2021 at 9:47 AM d=
ave &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 lang=3D"EN-US=
" style=3D"overflow-wrap: break-word;"><div class=3D"gmail-m_158651442579587=
1951WordSection1"><p class=3D"MsoNormal">Here is an interesting video of a T=
R4 engine refresh.&nbsp; Wish I could do it that quickly!!!<u></u><u></u></p=
><p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p><p class=3D"MsoNormal"><a hr=
ef=3D"https://www.youtube.com/watch?v=3D1GAl_ScYOOY" target=3D"_blank">https=
://www.youtube.com/watch?v=3D1GAl_ScYOOY</a><u></u><u></u></p><p class=3D"Ms=
oNormal"><u></u>&nbsp;<u></u></p><p class=3D"MsoNormal">it look like an earl=
y car =E2=80=93 it has the round engine mounts, but it also has ZS carbs.<u>=
</u><u></u></p><p class=3D"MsoNormal"><u></u>&nbsp;<u></u></p><p class=3D"Ms=
oNormal">Clearly I was wrong =E2=80=93 I thought the ZS didn=E2=80=99t appea=
r until the TR4a<u></u><u></u></p></div></div>** <a href=3D"mailto:triumphs@=
autox.team.net" target=3D"_blank">[email-masked]</a> **<br>
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</blockquote></div>
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From: John Macartney <[email-masked]>
Date: Sat, 16 Jan 2021 17:42:08 +0000

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The Stromberg carb was designed jointly by my old friend Dennis Barbet of St=
andard Triumph and Harry Cartwright of Zenith UK to break the patents held b=
y SU and also to break the monopoly SU held at the time across the U.K. moto=
r industry. You=E2=80=99ll find further info on this if you put Dennis Barbe=
t into Google and then click on the Wikipedia link.

Jonmac

Vote for Guy Fawkes! The only man who entered Parliament with honest intenti=
ons.

> On 16 Jan 2021, at 16:40, John Linney <[email-masked]> wrote:
>=20
> Mine is a December 1963 built TR4 with crank breather tube, twin ZS and va=
lve cover vent to the carbs. I researched this some time ago and it seemed t=
he ZS carbs were introduced late summer of =E2=80=9863.=20
>=20
>> On Jan 16, 2021, at 8:28 AM, Michael Burdick <[email-masked]> wrote=
:
>>=20
>> =EF=BB=BF
>> FWIW, I have 2 '64 TR4s (CT28xxx and CT35xxx) and both have ZS carbs with=
 the same crankcase vent system (valve cover vent into "flame trap" branchin=
g into the air filter housings).  My assumption was that this set up was imp=
lemented for the 1964 model year only...
>>> Here is an interesting video of a TR4 engine refresh.  Wish I could do i=
t that quickly!!!
t also has ZS carbs.
>>>=20
>>> =20
>>>=20
>>> Clearly I was wrong =E2=80=93 I thought the ZS didn=E2=80=99t appear unt=
il the TR4a
>>> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/arc=
hive
>>>=20
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/salty=
[email-masked]
ive
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/john@l=
inneyweb.com
ve
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/john.ma=
[email-masked]

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">The Stromberg carb was designed jointly by m=
y old friend Dennis Barbet of Standard Triumph and Harry Cartwright of Zenit=
h UK to break the patents held by SU and also to break the monopoly SU held a=
t the time across the U.K. motor industry. You=E2=80=99ll find further info o=
n this if you put Dennis Barbet into Google and then click on the Wikipedia l=
ink.<div><br></div><div>Jonmac<br><br><div id=3D"AppleMailSignature" dir=3D"=
ltr">Vote for Guy Fawkes! The only man who entered Parliament with honest in=
tentions.</div><div dir=3D"ltr"><br>On 16 Jan 2021, at 16:40, John Linney &l=
t;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br=
><br></div><blockquote type=3D"cite"><div dir=3D"ltr"><meta http-equiv=3D"co=
ntent-type" content=3D"text/html; charset=3Dutf-8"><div dir=3D"ltr">Mine is a=
 December 1963 built TR4 with crank breather tube, twin ZS and valve cover v=
ent to the carbs. I researched this some time ago and it seemed the ZS carbs=
 were introduced late summer of =E2=80=9863.&nbsp;</div><div dir=3D"ltr"><br=
><blockquote type=3D"cite">On Jan 16, 2021, at 8:28 AM, Michael Burdick &lt;=
<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<=
br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF=
<div dir=3D"ltr">FWIW, I have 2 '64 TR4s (CT28xxx and CT35xxx) and both have=
 ZS carbs with the same crankcase vent system (valve cover vent into "flame t=
rap" branching into the air filter housings).&nbsp; My assumption was that t=
his set up was implemented for the 1964 model year only...<div><br></div><di=
v>Cheers,</div><div>Mike</div></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Sat, Jan 16, 2021 at 9:47 AM dave &lt;<a href=3D=
"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px s=
olid rgb(204,204,204);padding-left:1ex"><div lang=3D"EN-US" style=3D"overflo=
w-wrap: break-word;"><div class=3D"gmail-m_1586514425795871951WordSection1">=
<p class=3D"MsoNormal">Here is an interesting video of a TR4 engine refresh.=
&nbsp; Wish I could do it that quickly!!!<u></u><u></u></p><p class=3D"MsoNo=
rmal"><u></u>&nbsp;<u></u></p><p class=3D"MsoNormal"><a href=3D"https://www.=
youtube.com/watch?v=3D1GAl_ScYOOY" target=3D"_blank">https://www.youtube.com=
/watch?v=3D1GAl_ScYOOY</a><u></u><u></u></p><p class=3D"MsoNormal"><u></u>&n=
bsp;<u></u></p><p class=3D"MsoNormal">it look like an early car =E2=80=93 it=
 has the round engine mounts, but it also has ZS carbs.<u></u><u></u></p><p c=
lass=3D"MsoNormal"><u></u>&nbsp;<u></u></p><p class=3D"MsoNormal">Clearly I w=
as wrong =E2=80=93 I thought the ZS didn=E2=80=99t appear until the TR4a<u><=
/u><u></u></p></div></div>** <a href=3D"mailto:[email-masked]" targ=
et=3D"_blank">[email-masked]</a> **<br>
<br>
t=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs" rel=3D"noreferre=
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f=3D"http://www.team.net/archive" rel=3D"noreferrer" target=3D"_blank">http:=
//www.team.net/archive</a><br>
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s/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://autox.te=
am.net/mailman/options/triumphs/[email-masked]</a><br>
</blockquote></div>
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