[Healeys] Today's Rant

i erbs eyera3000 at gmail.com
Fri Apr 24 10:04:34 MDT 2020


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 at alexarevel.plus.com> wrote:

> “Flirted”? To tell the truth, I’d never given it much thought but had
> “assumed” that the US had resisted metrification. Don’t I recall that all
> oil-producing kit is Imperial because of US domination in that area? And
> planes……?
>
> I do know that, when Ted “The Grocer” Heath dragged the UK 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: “You must cease drinking pints forthwith. You will obey”.
>
> UK: “Won’t. Can’t. Shan’t”.
>
> Etcetc Finally:
>
> EU: “You will obey”.
>
> UK: “OK. We will keep pint glasses (From which we will drink proper beer
> unlike your pallid Europ*ss). We will refer to those glasses as “pints”
> whilst acknowledging that they contain
>
> 568.261ml litres each.
>
> EU: “Zut, alors. We surrender. Have some cheese”.
>
> Aren’t we all allowed the occasional rant?
>
> Simon
>
>
>
>
>
> *From:* i erbs <eyera3000 at gmail.com>
> *Sent:* 24 April 2020 02:55
> *To:* WILLIAM B LAWRENCE <ynotink at msn.com>
> *Cc:* simon.lachlan at alexarevel.plus.com; Patrick & Caroline Quinn <
> p_cquinn at tpg.com.au>; Healeys <healeys at 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 at msn.com> wrote:
>
> I think you have it backwards. The original GM design would have used the
> UNC thread pattern with a 9/16” bolt head. The design predated
> metrification 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 retool the engine castings to switch to a metric thread pattern.
>
>
>
> Bill Lawrence
>
> BN1 #554
> ------------------------------
>
> *From:* i erbs <eyera3000 at gmail.com>
> *Sent:* Thursday, April 23, 2020 7:13 PM
> *To:* WILLIAM B LAWRENCE <ynotink at msn.com>
> *Cc:* simon.lachlan at alexarevel.plus.com <simon.lachlan at alexarevel.plus.com>;
> Patrick & Caroline Quinn <p_cquinn at tpg.com.au>; Healeys <
> healeys at 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 at 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 short
> 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 at autox.team.net> on behalf of
> simon.lachlan at alexarevel.plus.com <simon.lachlan at alexarevel.plus.com>
> *Sent:* Thursday, April 23, 2020 12:20 AM
> *To:* 'Patrick & Caroline Quinn' <p_cquinn at tpg.com.au>
> *Cc:* 'Healeys' <healeys at autox.team.net>
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> I have a vague memory of what we called “Transitional Rovers” ie a mix of
> Imperial and Metric. All ¾ tonner long wheel-base. All UK based. They may
> have been peculiar to the army.
>
> Glad I wasn’t in REME…..they had to maintain them.
>
> Simon
>
>
>
> *From:* Healeys <healeys-bounces at autox.team.net> *On Behalf Of *Patrick &
> Caroline Quinn
> *Sent:* 23 April 2020 00:23
> *To:* 'David Nock' <healeydoc at gmail.com>; 'Michael MacLean' <
> rrengineer.mike at att.net>
> *Cc:* 'Healeys' <healeys at autox.team.net>
> *Subject:* Re: [Healeys] Today's Rant
>
>
>
> G’day
>
>
>
> 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 many
> variations of each for specific purposes.
>
>
>
> Hoo Roo
>
>
>
> Patrick Quinn
>
> Blue Mountains, Australia
>
>
>
> *From:* Healeys [mailto:healeys-bounces at autox.team.net
> <healeys-bounces at 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 from
> 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 at att.net>
> wrote:
>
> 
>
> 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.  The
> 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 the
> 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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