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Are you referring to the Tenax studs on the windscreen frame, Dave? I'd
have guessed those were BA threaded.
On Wed, Apr 30, 2025 at 8:35=E2=80=AFPM DAVID MASSEY <dave1massey@cs.com> w=
rote:
> There are Whitworth fasteners used on the TR3 windshield. I bought a set
> of Whitworth taps and dies when I restored my windscreen for that reason.
> But, no, that is not the engine.
>
> Dave
>
>
>
>
> On Wednesday, April 30, 2025 at 05:34:25 PM CDT, Don Hiscock <
> don.hiscock@gmail.com> wrote:
>
>
> I'm not aware of any Whitworth threads installed by S-T (at least on a
> sidescreen car). There may be some Whitworth and BA threads on bought-in
> components, like SU carbs, Smiths, and possibly some Lucas. But I'll be
> shocked sh*tless to learn legit Withworth threads were used in a S-T engi=
ne.
>
> Jonmac, I'd never heard that metric and inch fasteners were used on the
> line at the same time depending on the end market for the vehicle. That'=
s
> a fascinating bit of trivia, and one of the reasons we love having you
> here! What time period are you talking about for that? Maybe 1970s?
>
> On Wed, Apr 30, 2025 at 4:27=E2=80=AFPM John Macartney <johnbmacartney@gm=
x.com>
> wrote:
>
> I have my doubts about the offending item having Whitworth ancestry. Whil=
e
> I=E2=80=99ve long been a Whitworth advocate and enthusiast (for purely pa=
triotic
> reasons) I think it might be worth going down a metric route. There was a
> time when the factory briefly reverted to metric hardware that was market
> specific for European build. Needless to say, certain bits of hardware we=
nt
> where they shouldn=E2=80=99t (or inadvertently wound up there). Might thi=
s be a
> possible avenue to explore? Evaluate metric fine and coarse pitch threads=
.
>
> Jonmac
>
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
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>
> Unsubscribe/Manage:
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>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">Are=
you referring to the=C2=A0Tenax studs on the=C2=A0windscreen=C2=A0frame, D=
ave?=C2=A0 I'd have guessed those were BA threaded.</div></div><br><div=
class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmai=
l_attr">On Wed, Apr 30, 2025 at 8:35=E2=80=AFPM DAVID MASSEY <<a href=3D=
"mailto:dave1massey@cs.com";>dave1massey@cs.com</a>> wrote:<br></div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);paddi=
ng-left:1ex"><div><div style=3D"font-family:Arial,Helvetica,sans-serif;font=
-size:16px"><div><div dir=3D"ltr">There are Whitworth fasteners used on the=
TR3 windshield.=C2=A0 I bought a set of Whitworth taps and dies when I res=
tored my windscreen for that reason.=C2=A0 But, no, that is not the engine.=
</div><div><br></div><div><div style=3D"color:black;font-style:normal;font-=
size-adjust:none;font-weight:normal;font-stretch:normal;font-size:12pt;line=
-height:normal;font-family:Arial,Helvetica,sans-serif"><div style=3D"color:=
black;font-style:normal;font-size-adjust:none;font-weight:normal;font-stret=
ch:normal;font-size:12pt;line-height:normal;font-family:Arial,Helvetica,san=
s-serif"><div><font size=3D"4">Dave <br></font></div><div><span style=3D"fo=
nt-size:10pt;font-family:sans-serif;color:black"><br></span></div><br></div=
></div></div></div>
<div><br></div><div><br></div>
=20
</div><div id=3D"m_-5817955450121499882ydpd5c7d075yahoo_quoted_6714=
698056"><div style=3D"font-family:Arial,Helvetica,sans-serif;font-size:16px=
">
<div style=3D"font-family:"Helvetica Neue",Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
=20
<div>
On Wednesday, April 30, 2025 at 05:34:25 PM CDT, Do=
n Hiscock <<a href=3D"mailto:don.hiscock@gmail.com"; target=3D"_blank">do=
n.hiscock@gmail.com</a>> wrote:
</div>
</div><div style=3D"font-family:"Helvetica Neue",=
Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42);border-left-w=
idth:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding=
-left:8px;margin:0px 0px 0px 8px">
<div><br></div><div><br></div>
<div><div id=3D"m_-5817955450121499882ydpd5c7d075yiv2127974=
545"><div><div dir=3D"ltr"><div style=3D"font-size:small">I'm not aware=
of any Whitworth threads installed by S-T (at least on a sidescreen car).=
=C2=A0 There may be some Whitworth and BA threads on bought-in components, =
like SU carbs, Smiths, and possibly some Lucas.=C2=A0 But I'll be shock=
ed sh*tless to learn legit Withworth threads=C2=A0were used in a S-T engine=
.</div><div style=3D"font-size:small"><br clear=3D"none"></div><div style=
=3D"font-size:small">Jonmac, I'd never heard that metric and inch faste=
ners=C2=A0were used on the line at the same time depending on the end marke=
t for the vehicle.=C2=A0 That's a fascinating bit of trivia, and one of=
the reasons we love having you here!=C2=A0 What time period are you talkin=
g about for that?=C2=A0 Maybe 1970s?</div></div><br clear=3D"none"><div><di=
v id=3D"m_-5817955450121499882ydpd5c7d075yiv2127974545yqtfd04561"><div dir=
=3D"ltr">On Wed, Apr 30, 2025 at 4:27=E2=80=AFPM John Macartney <<a shap=
e=3D"rect" href=3D"mailto:johnbmacartney@gmx.com"; rel=3D"nofollow" target=
=3D"_blank">johnbmacartney@gmx.com</a>> wrote:<br clear=3D"none"></div><=
/div><blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;bo=
rder-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">=
<div id=3D"m_-5817955450121499882ydpd5c7d075yiv2127974545yqtfd21694">I have=
my doubts about the offending item having Whitworth ancestry. While I=E2=
=80=99ve long been a Whitworth advocate and enthusiast (for purely patrioti=
c reasons) I think it might be worth going down a metric route. There was a=
time when the factory briefly reverted to metric hardware that was market =
specific for European build. Needless to say, certain bits of hardware went=
where they shouldn=E2=80=99t (or inadvertently wound up there). Might this=
be a possible avenue to explore? Evaluate metric fine and coarse pitch thr=
eads.<br clear=3D"none">
<br clear=3D"none">
Jonmac</div><br clear=3D"none">
** <a shape=3D"rect" href=3D"mailto:triumphs@autox.team.net"; rel=3D"nofollo=
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</div></blockquote></div><div id=3D"m_-5817955450121499882ydpd5c7d075yiv212=
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</div>
</div></div></div></blockquote></div>
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