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Yup,
The US was going to convert, but busineses and manufacturers raised a storm
over the cost to convert, so it never officially happened.
Ira Erbs
Portland,OR
59 BN4
67MGB
65 AH Sprite
phone makes it's own choices. Forgive typos
On Fri, Apr 24, 2020, 2:15 AM <simon.lachlan@alexarevel.plus.com> wrote:
> =E2=80=9CFlirted=E2=80=9D? To tell the truth, I=E2=80=99d never given it =
much thought but had
> =E2=80=9Cassumed=E2=80=9D that the US had resisted metrification. Don=E2=
=80=99t I recall that all
> oil-producing kit is Imperial because of US domination in that area? And
> planes=E2=80=A6=E2=80=A6?
>
> I do know that, when Ted =E2=80=9CThe Grocer=E2=80=9D Heath dragged the U=
K into the Common
> Market, we were supposed to go Metric. There were some hiccups along the
> way. A pint of beer remains a pint. As did a pint of milk whilst milk
> bottles still existed.
>
> EU: =E2=80=9CYou must cease drinking pints forthwith. You will obey=E2=80=
=9D.
>
> UK: =E2=80=9CWon=E2=80=99t. Can=E2=80=99t. Shan=E2=80=99t=E2=80=9D.
>
> Etcetc Finally:
>
> EU: =E2=80=9CYou will obey=E2=80=9D.
>
> UK: =E2=80=9COK. We will keep pint glasses (From which we will drink prop=
er beer
> unlike your pallid Europ*ss). We will refer to those glasses as =E2=80=9C=
pints=E2=80=9D
> whilst acknowledging that they contain
>
> 568.261ml litres each.
>
> EU: =E2=80=9CZut, alors. We surrender. Have some cheese=E2=80=9D.
>
> Aren=E2=80=99t we all allowed the occasional rant?
>
> Simon
>
>
>
>
>
> *From:* i erbs <eyera3000@gmail.com>
> *Sent:* 24 April 2020 02:55
> *To:* WILLIAM B LAWRENCE <ynotink@msn.com>
> *Cc:* simon.lachlan@alexarevel.plus.com; Patrick & Caroline Quinn <
> p_cquinn@tpg.com.au>; Healeys <healeys@autox.team.net>
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> When the US flirted with metrifying and production when to canada and
> mexico they made standard threaded bolts with metric heads so factories
> there could use metric tools
>
> Ira Erbs
> Portland,OR
> 59 BN4
> 67MGB
> 65 AH Sprite
> phone makes it's own choices. Forgive typos
>
>
>
> On Thu, Apr 23, 2020, 6:17 PM WILLIAM B LAWRENCE <ynotink@msn.com> wrote:
>
> I think you have it backwards. The original GM design would have used the
> UNC thread pattern with a 9/16=E2=80=9D bolt head. The design predated
> metrification in the US by a few decades. When Rover went metric, sometim=
e
> in the 80s probably, they retained the US standard thread pattern while
> changing to a metric standard bolt head. It would probably have been more
> costly to retool the engine castings to switch to a metric thread pattern=
.
>
>
>
> Bill Lawrence
>
> BN1 #554
> ------------------------------
>
> *From:* i erbs <eyera3000@gmail.com>
> *Sent:* Thursday, April 23, 2020 7:13 PM
> *To:* WILLIAM B LAWRENCE <ynotink@msn.com>
> *Cc:* simon.lachlan@alexarevel.plus.com <simon.lachlan@alexarevel.plus.co=
m>;
> Patrick & Caroline Quinn <p_cquinn@tpg.com.au>; Healeys <
> healeys@autox.team.net>
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> Gm did that to rationalize tools as you say, but save money on not
> converting thread and pitch to metric. I had a 87 Olds with that exact
> situation. But also standards bolts heads too in some areas.
>
> Ira Erbs
> Portland,OR
> 59 BN4
> 67MGB
> 65 AH Sprite
> phone makes it's own choices. Forgive typos
>
>
>
> On Thu, Apr 23, 2020, 11:39 AM WILLIAM B LAWRENCE <ynotink@msn.com> wrote=
:
>
> In the midst of my recent Rover V8 rebuild I was surprised to discover
> that while all of the fasteners used metric wrench sizes many in the shor=
t
> block used the UNC thread type ie: a 3/8" coarse bolt with a 13 mm head. =
I
> assume that Rover simply continued the UNC pattern of the original GM
> castings and changed the head size to simplify tool inventory.
>
>
>
> Bill Lawrence
>
> BN1 #554
> ------------------------------
>
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of
> simon.lachlan@alexarevel.plus.com <simon.lachlan@alexarevel.plus.com>
> *Sent:* Thursday, April 23, 2020 12:20 AM
> *To:* 'Patrick & Caroline Quinn' <p_cquinn@tpg.com.au>
> *Cc:* 'Healeys' <healeys@autox.team.net>
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> I have a vague memory of what we called =E2=80=9CTransitional Rovers=E2=
=80=9D ie a mix of
> Imperial and Metric. All =C2=BE tonner long wheel-base. All UK based. The=
y may
> have been peculiar to the army.
>
> Glad I wasn=E2=80=99t in REME=E2=80=A6..they had to maintain them.
>
> Simon
>
>
>
> *From:* Healeys <healeys-bounces@autox.team.net> *On Behalf Of *Patrick &
> Caroline Quinn
> *Sent:* 23 April 2020 00:23
> *To:* 'David Nock' <healeydoc@gmail.com>; 'Michael MacLean' <
> rrengineer.mike@att.net>
> *Cc:* 'Healeys' <healeys@autox.team.net>
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> G=E2=80=99day
>
>
>
> Not long after I bought my first 100 back in 1972 I turned 21 and one of
> the birthday gifts I received was a set of BSF spanners and sockets. I
> still have them.
>
>
>
> Now I have three sets of tools. BSF for the Healey Saloon. AF for the 100
> BN3 and metric for the Hilux, Mercedes and around the house. There are ma=
ny
> variations of each for specific purposes.
>
>
>
> Hoo Roo
>
>
>
> Patrick Quinn
>
> Blue Mountains, Australia
>
>
>
> *From:* Healeys [mailto:healeys-bounces@autox.team.net
> <healeys-bounces@autox.team.net>] *On Behalf Of *David Nock
> *Sent:* Wednesday, 22 April 2020 11:59 PM
> *To:* Michael MacLean
> *Cc:* Healeys
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> All the threads on the 100/4 engine are BSF not Whitworth. Whitworth is =
a
> coarse thread.
>
> However the wrench sizes are interchangeable. They are one size apart fro=
m
> each other.
>
>
>
> The threads on the small plate are 1/4 bsf and the gen bracket is 5/16
> bsf. Also look close there are some of the studs that go thru into the
> cooling system.
>
> David Nock
>
>
>
> Sent from my iPhone
>
>
>
> On Apr 21, 2020, at 10:18 PM, Michael MacLean <rrengineer.mike@att.net>
> wrote:
>
> =EF=BB=BF
>
> So, I am getting ready to install the head on my 100 short block. Made
> sure all the intake valves have the new seals I bought from British Car
> Specialists plus the new set of springs I already had for the valves. Th=
e
> two mating surfaces were cleaned with a white (finest grit) Roloc brush. =
I
> have the correct head gasket (copper faced). Tonight was the night to
> torque the head down to the block. My surprise, for some stupid reason I
> only ordered 8 new head nuts. I managed to order the correct amount of
> washer for the head. No idea what my pea brain was thinking. Also found
> out the head nuts are Whitworth (3/8") size. I have a Whitworth socket
> set, so tragedy averted there. I seem to remember someone talking about
> the water jacket blanking plate earlier this week. That made me look at
> the front of my block. Three studs and an empty hole. No cover. I
> managed to find two blanking covers in my stash of parts and a gasket in =
my
> gasket set. Woohoo, but no nuts or lock washers. Can someone tell me if
> these little nuts that I do not have are Whitworth nuts. If so, what
> size? I have a generator bracket, but there are no threaded studs for th=
e
> block or nuts to mount it with. Once again, Whitworth? The closer I get
> to putting this together the more stuff I find out I don't have.
>
> Mike MacLean
>
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--0000000000003217a605a40b868c
Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto">Yup,<div dir=3D"auto">The US was going to convert, but bu=
sineses and manufacturers raised a storm over the cost to convert, so it ne=
ver officially=C2=A0happened.=C2=A0<br><br><div data-smartmail=3D"gmail_sig=
nature" dir=3D"auto">Ira Erbs<br>Portland,OR<br>59 BN4<br>67MGB<br>65 AH Sp=
rite<br>phone makes it's own choices. Forgive typos</div></div></div><b=
r><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, =
Apr 24, 2020, 2:15 AM <<a href=3D"mailto:simon.lachlan@alexarevel.plus.=
com">simon.lachlan@alexarevel.plus.com</a>> wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex"><div lang=3D"EN-GB" link=3D"blue" vlink=3D"purple"><div =
class=3D"m_1653997730557240969WordSection1"><p class=3D"MsoNormal"><span>=
=E2=80=9CFlirted=E2=80=9D? To tell the truth, I=E2=80=99d never given it mu=
ch thought but had =E2=80=9Cassumed=E2=80=9D that the US had resisted metri=
fication. Don=E2=80=99t I recall that all oil-producing kit is Imperial bec=
ause of US domination in that area? And planes=E2=80=A6=E2=80=A6?<u></u><u>=
</u></span></p><p class=3D"MsoNormal"><span>I do know that, when Ted =E2=80=
=9CThe Grocer=E2=80=9D Heath dragged the UK into the Common Market, we were=
supposed to go Metric. There were some hiccups along the way. A pint of be=
er remains a pint. As did a pint of milk whilst milk bottles still existed.=
<u></u><u></u></span></p><p class=3D"MsoNormal"><span>EU: =E2=80=9CYou mus=
t cease drinking pints forthwith. You will obey=E2=80=9D.<u></u><u></u></sp=
an></p><p class=3D"MsoNormal"><span>UK: =E2=80=9CWon=E2=80=99t. Can=E2=80=
=99t. Shan=E2=80=99t=E2=80=9D.<u></u><u></u></span></p><p class=3D"MsoNorma=
l"><span>Etcetc Finally:<u></u><u></u></span></p><p class=3D"MsoNormal"><sp=
an>EU: =E2=80=9CYou will obey=E2=80=9D.<u></u><u></u></span></p><p class=3D=
"MsoNormal"><span>UK: =E2=80=9COK. We will keep pint glasses (From which we=
will drink proper beer unlike your pallid Europ*ss). We will refer to thos=
e glasses as =E2=80=9Cpints=E2=80=9D whilst acknowledging that they contain=
<u></u><u></u></span></p><p class=3D"MsoNormal"><span>568.261ml litres each=
.<u></u><u></u></span></p><p class=3D"MsoNormal"><span>EU: =E2=80=9CZut, al=
ors. We surrender. Have some cheese=E2=80=9D.<u></u><u></u></span></p><p cl=
ass=3D"MsoNormal"><span>Aren=E2=80=99t we all allowed the occasional rant?<=
u></u><u></u></span></p><p class=3D"MsoNormal"><span>Simon<u></u><u></u></s=
pan></p><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p><p clas=
s=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p><div style=3D"border:n=
one;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class=3D"M=
soNormal"><b><span lang=3D"EN-US">From:</span></b><span lang=3D"EN-US"> i e=
rbs <<a href=3D"mailto:eyera3000@gmail.com"; target=3D"_blank" rel=3D"nor=
eferrer">eyera3000@gmail.com</a>> <br><b>Sent:</b> 24 April 2020 02:55<b=
r><b>To:</b> WILLIAM B LAWRENCE <<a href=3D"mailto:ynotink@msn.com"; targ=
et=3D"_blank" rel=3D"noreferrer">ynotink@msn.com</a>><br><b>Cc:</b> <a h=
ref=3D"mailto:simon.lachlan@alexarevel.plus.com"; target=3D"_blank" rel=3D"n=
oreferrer">simon.lachlan@alexarevel.plus.com</a>; Patrick & Caroline Qu=
inn <<a href=3D"mailto:p_cquinn@tpg.com.au"; target=3D"_blank" rel=3D"nor=
eferrer">p_cquinn@tpg.com.au</a>>; Healeys <<a href=3D"mailto:healeys=
@autox.team.net" target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.ne=
t</a>><br><b>Subject:</b> Re: [Healeys] Today's Rant<u></u><u></u></=
span></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div><p class=
=3D"MsoNormal" style=3D"margin-bottom:12.0pt">When the US flirted with metr=
ifying and production when to canada and mexico they made standard threaded=
bolts with metric heads so factories there could use metric tools<u></u><u=
></u></p><div><p class=3D"MsoNormal">Ira Erbs<br>Portland,OR<br>59 BN4<br>6=
7MGB<br>65 AH Sprite<br>phone makes it's own choices. Forgive typos<u><=
/u><u></u></p></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><d=
iv><div><p class=3D"MsoNormal">On Thu, Apr 23, 2020, 6:17 PM WILLIAM B LAWR=
ENCE <<a href=3D"mailto:ynotink@msn.com"; target=3D"_blank" rel=3D"norefe=
rrer">ynotink@msn.com</a>> wrote:<u></u><u></u></p></div><blockquote sty=
le=3D"border:none;border-left:solid #cccccc 1.0pt;padding:0cm 0cm 0cm 6.0pt=
;margin-left:4.8pt;margin-right:0cm"><div><div><p class=3D"MsoNormal">I thi=
nk you have it backwards. The original GM design would have used the UNC th=
read pattern with a 9/16=E2=80=9D bolt head. The design predated metrificat=
ion in the US by a few decades. When Rover went metric, sometime in the 80s=
probably, they retained the US standard thread pattern while changing to a=
metric standard bolt head. It would probably have been more costly to reto=
ol the engine castings to switch to a metric thread pattern.<u></u><u></u><=
/p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p =
class=3D"MsoNormal">Bill Lawrence=C2=A0<u></u><u></u></p></div><div><p clas=
s=3D"MsoNormal">BN1 #554<u></u><u></u></p></div><div class=3D"MsoNormal" al=
ign=3D"center" style=3D"text-align:center"><hr size=3D"2" width=3D"98%" ali=
gn=3D"center"></div><div id=3D"m_1653997730557240969m_6037447791772944075di=
vRplyFwdMsg"><p class=3D"MsoNormal"><b><span style=3D"color:black">From:</s=
pan></b><span style=3D"color:black"> i erbs <<a href=3D"mailto:eyera3000=
@gmail.com" target=3D"_blank" rel=3D"noreferrer">eyera3000@gmail.com</a>>=
;<br><b>Sent:</b> Thursday, April 23, 2020 7:13 PM<br><b>To:</b> WILLIAM B =
LAWRENCE <<a href=3D"mailto:ynotink@msn.com"; target=3D"_blank" rel=3D"no=
referrer">ynotink@msn.com</a>><br><b>Cc:</b> <a href=3D"mailto:simon.lac=
hlan@alexarevel.plus.com" target=3D"_blank" rel=3D"noreferrer">simon.lachla=
n@alexarevel.plus.com</a> <<a href=3D"mailto:simon.lachlan@alexarevel.pl=
us.com" target=3D"_blank" rel=3D"noreferrer">simon.lachlan@alexarevel.plus.=
com</a>>; Patrick & Caroline Quinn <<a href=3D"mailto:p_cquinn@tp=
g.com.au" target=3D"_blank" rel=3D"noreferrer">p_cquinn@tpg.com.au</a>>;=
Healeys <<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank" re=
l=3D"noreferrer">healeys@autox.team.net</a>><br><b>Subject:</b> Re: [Hea=
leys] Today's Rant</span> <u></u><u></u></p><div><p class=3D"MsoNormal"=
>=C2=A0<u></u><u></u></p></div></div><div><div><p class=3D"MsoNormal" style=
=3D"margin-bottom:12.0pt">Gm did that to rationalize tools as you say, but =
save money on not converting thread and pitch to metric. I had a 87 Olds wi=
th that exact situation. But also standards bolts heads too in some areas.=
=C2=A0<u></u><u></u></p><div><p class=3D"MsoNormal">Ira Erbs<br>Portland,OR=
<br>59 BN4<br>67MGB<br>65 AH Sprite<br>phone makes it's own choices. Fo=
rgive typos<u></u><u></u></p></div></div><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p><div><div><p class=3D"MsoNormal">On Thu, Apr 23, 2020, 11:39 =
AM WILLIAM B LAWRENCE <<a href=3D"mailto:ynotink@msn.com"; target=3D"_bla=
nk" rel=3D"noreferrer">ynotink@msn.com</a>> wrote:<u></u><u></u></p></di=
v><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><div><p class=3D=
"MsoNormal"><span style=3D"font-size:12.0pt;color:black">In the midst of my=
recent Rover V8 rebuild I was surprised to discover that while all of the =
fasteners used metric wrench sizes many in the short block used the UNC thr=
ead type ie: a 3/8" coarse bolt with a 13 mm head. I assume that Rover=
simply continued the UNC pattern of the original GM castings and changed t=
he head size to simplify tool inventory.<u></u><u></u></span></p></div><div=
><p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:black"><u></u=
>=C2=A0<u></u></span></p></div><div><p class=3D"MsoNormal"><span style=3D"f=
ont-size:12.0pt;color:black">Bill Lawrence<u></u><u></u></span></p></div><d=
iv><p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;color:black">BN1 =
#554<u></u><u></u></span></p></div><div class=3D"MsoNormal" align=3D"center=
" style=3D"text-align:center"><hr size=3D"2" width=3D"98%" align=3D"center"=
></div><div id=3D"m_1653997730557240969m_6037447791772944075x_m_21733252842=
67159273divRplyFwdMsg"><p class=3D"MsoNormal"><b><span style=3D"color:black=
">From:</span></b><span style=3D"color:black"> Healeys <<a href=3D"mailt=
o:healeys-bounces@autox.team.net" target=3D"_blank" rel=3D"noreferrer">heal=
eys-bounces@autox.team.net</a>> on behalf of <a href=3D"mailto:simon.lac=
hlan@alexarevel.plus.com" target=3D"_blank" rel=3D"noreferrer">simon.lachla=
n@alexarevel.plus.com</a> <<a href=3D"mailto:simon.lachlan@alexarevel.pl=
us.com" target=3D"_blank" rel=3D"noreferrer">simon.lachlan@alexarevel.plus.=
com</a>><br><b>Sent:</b> Thursday, April 23, 2020 12:20 AM<br><b>To:</b>=
'Patrick & Caroline Quinn' <<a href=3D"mailto:p_cquinn@tpg.=
com.au" target=3D"_blank" rel=3D"noreferrer">p_cquinn@tpg.com.au</a>><br=
><b>Cc:</b> 'Healeys' <<a href=3D"mailto:healeys@autox.team.net"=
target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.net</a>><br><b>=
Subject:</b> Re: [Healeys] Today's Rant</span> <u></u><u></u></p><div><=
p class=3D"MsoNormal">=C2=A0<u></u><u></u></p></div></div><div><div><p>I ha=
ve a vague memory of what we called =E2=80=9CTransitional Rovers=E2=80=9D i=
e a mix of Imperial and Metric. All =C2=BE tonner long wheel-base. All UK b=
ased. They may have been peculiar to the army.<u></u><u></u></p><p>Glad I w=
asn=E2=80=99t in REME=E2=80=A6..they had to maintain them.<u></u><u></u></p=
><p>Simon<u></u><u></u></p><p>=C2=A0<u></u><u></u></p><div><div style=3D"bo=
rder:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p><b><=
span lang=3D"EN-US">From:</span></b><span lang=3D"EN-US"> Healeys <<a hr=
ef=3D"mailto:healeys-bounces@autox.team.net"; target=3D"_blank" rel=3D"noref=
errer">healeys-bounces@autox.team.net</a>> <b>On Behalf Of </b>Patrick &=
amp; Caroline Quinn<br><b>Sent:</b> 23 April 2020 00:23<br><b>To:</b> '=
David Nock' <<a href=3D"mailto:healeydoc@gmail.com"; target=3D"_blank=
" rel=3D"noreferrer">healeydoc@gmail.com</a>>; 'Michael MacLean'=
<<a href=3D"mailto:rrengineer.mike@att.net"; target=3D"_blank" rel=3D"no=
referrer">rrengineer.mike@att.net</a>><br><b>Cc:</b> 'Healeys' &=
lt;<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank" rel=3D"noref=
errer">healeys@autox.team.net</a>><br><b>Subject:</b> Re: [Healeys] Toda=
y's Rant</span><u></u><u></u></p></div></div><p>=C2=A0<u></u><u></u></p=
><p><span lang=3D"EN-AU">G=E2=80=99day</span><u></u><u></u></p><p><span lan=
g=3D"EN-AU">=C2=A0</span><u></u><u></u></p><p><span lang=3D"EN-AU">Not long=
after I bought my first 100 back in 1972 I turned 21 and one of the birthd=
ay gifts I received was a set of BSF spanners and sockets. I still have the=
m.</span><u></u><u></u></p><p><span lang=3D"EN-AU">=C2=A0</span><u></u><u><=
/u></p><p><span lang=3D"EN-AU">Now I have three sets of tools. BSF for the =
Healey Saloon. AF for the 100 BN3 and metric for the Hilux, Mercedes and ar=
ound the house. There are many variations of each for specific purposes.</s=
pan><u></u><u></u></p><p><span lang=3D"EN-AU">=C2=A0</span><u></u><u></u></=
p><p><span lang=3D"EN-AU">Hoo Roo</span><u></u><u></u></p><p><span lang=3D"=
EN-AU">=C2=A0</span><u></u><u></u></p><p><span lang=3D"EN-AU">Patrick Quinn=
</span><u></u><u></u></p><p><span lang=3D"EN-AU">Blue Mountains, Australia<=
/span><u></u><u></u></p><p><span lang=3D"EN-AU">=C2=A0</span><u></u><u></u>=
</p><div><div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3=
.0pt 0cm 0cm 0cm"><p><b><span lang=3D"EN-US" style=3D"font-size:10.0pt;font=
-family:"Tahoma",sans-serif">From:</span></b><span lang=3D"EN-US"=
style=3D"font-size:10.0pt;font-family:"Tahoma",sans-serif"> Heal=
eys [<a href=3D"mailto:healeys-bounces@autox.team.net"; target=3D"_blank" re=
l=3D"noreferrer">mailto:healeys-bounces@autox.team.net</a>] <b>On Behalf Of=
</b>David Nock<br><b>Sent:</b> Wednesday, 22 April 2020 11:59 PM<br><b>To:=
</b> Michael MacLean<br><b>Cc:</b> Healeys<br><b>Subject:</b> Re: [Healeys]=
Today's Rant</span><u></u><u></u></p></div></div><p><span lang=3D"EN-A=
U">=C2=A0</span><u></u><u></u></p><p><span lang=3D"EN-AU">All the threads o=
n the 100/4 engine are BSF not Whitworth.=C2=A0 Whitworth is a coarse threa=
d.=C2=A0</span><u></u><u></u></p><div><p><span lang=3D"EN-AU">However the w=
rench sizes are interchangeable. They are one size apart from each other.=
=C2=A0</span><u></u><u></u></p></div><div><p><span lang=3D"EN-AU">=C2=A0</s=
pan><u></u><u></u></p></div><div><p style=3D"margin-bottom:12.0pt"><span la=
ng=3D"EN-AU">The threads on the small plate are 1/4 bsf and the gen bracket=
is 5/16 bsf. Also look close there are some of the studs that go thru into=
the cooling system.=C2=A0</span><u></u><u></u></p><div><div><p><span lang=
=3D"EN-AU">David Nock</span><u></u><u></u></p></div><div><p><span lang=3D"E=
N-AU">=C2=A0</span><u></u><u></u></p></div><p><span lang=3D"EN-AU">Sent fro=
m my iPhone</span><u></u><u></u></p></div><div><p style=3D"margin-bottom:12=
.0pt"><span lang=3D"EN-AU">=C2=A0</span><u></u><u></u></p><p style=3D"margi=
n-bottom:12.0pt"><span lang=3D"EN-AU">On Apr 21, 2020, at 10:18 PM, Michael=
MacLean <<a href=3D"mailto:rrengineer.mike@att.net"; target=3D"_blank" r=
el=3D"noreferrer">rrengineer.mike@att.net</a>> wrote:</span><u></u><u></=
u></p></div><blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt"><div=
><p><span lang=3D"EN-AU" style=3D"font-family:"Tahoma",sans-serif=
">=EF=BB=BF</span><u></u><u></u></p><div><div><p><span lang=3D"EN-AU">So, I=
am getting ready to install the head on my 100 short block.=C2=A0 Made sur=
e all the intake valves have the new seals I bought from British Car Specia=
lists plus the new set of springs I already had for the valves.=C2=A0 The t=
wo mating surfaces were cleaned with a white (finest grit) Roloc brush.=C2=
=A0 I have the correct head gasket (copper faced). =C2=A0 Tonight was the n=
ight to torque the head down to the block.=C2=A0 My surprise, for some stup=
id reason I only ordered 8 new head nuts.=C2=A0 I managed to order the corr=
ect amount of washer for the head.=C2=A0 No idea what my pea brain was thin=
king.=C2=A0 Also found out the head nuts are Whitworth (3/8")=C2=A0 si=
ze.=C2=A0 I have a Whitworth socket set, so tragedy averted there.=C2=A0 I =
seem to remember someone talking about the water jacket blanking plate earl=
ier this week.=C2=A0 That made me look at the front of my block.=C2=A0 Thre=
e studs and an empty hole.=C2=A0 No cover.=C2=A0 I managed to find two blan=
king covers in my stash of parts and a gasket in my gasket set.=C2=A0 Wooho=
o, but no nuts or lock washers.=C2=A0 Can someone tell me if these little n=
uts that I do not have are Whitworth nuts.=C2=A0 If so, what size?=C2=A0 I =
have a generator bracket, but there are no threaded studs for the block or =
nuts to mount it with.=C2=A0 Once again, Whitworth?=C2=A0 The closer I get =
to putting this together the more stuff I find out I don't have.</span>=
<u></u><u></u></p></div><div><p><span lang=3D"EN-AU">Mike MacLean</span><u>=
</u><u></u></p></div></div><p style=3D"margin-bottom:12.0pt"><span lang=3D"=
EN-AU">_______________________________________________<br>Support Team.Net =
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
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