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Re: [Healeys] Heater query

To: Bob Spidell <bspidell@comcast.net>
Subject: Re: [Healeys] Heater query
From: Michael Salter <michaelsalter@gmail.com>
Date: Mon, 10 Jul 2023 15:43:30 -0400
Cc: "healeys@autox.team.net" <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <000701d9b33a$80615dc0$81241940$@alexarevel.plus.com> <CAB3i7LK5+wLB4oxvyfAYsCzTEH81TUCFtgxtDCMeHH6LymD3wA@mail.gmail.com> <18fb681f-c806-d606-652d-aebda76d771a@comcast.net>
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Actually Bob, as an aside, the thread on the handle is actually 12- 32 ...
the only 12 - 32 thread on a Healey as far as I'm  aware.
I know you absolutely couldn't continue with life as is without that
incredibly important nugget of information. =F0=9F=A4=A3=F0=9F=A4=A3=F0=9F=
=A4=A3

M


On Mon., Jul. 10, 2023, 3:03 p.m. Bob Spidell, <bspidell@comcast.net> wrote=
:

> Note the brass valve on the block is quite fragile and if it hasn't been
> 'exercised' recently it's likely stuck and you stand a good chance of
> snapping-off the small handle if you manhandle it. Moss has the complete
> valve at $150, and replacement handles are available. If it doesn't move
> easily I recommend soaking with a good penetrant oil and carefully applyi=
ng
> some heat, and work it little-by-little (IIRC, the valve has the 'OFF'
> direction embossed in the body). A 10/32 machine screw will work as a
> handle in a pinch. IIRC, the valve has the 'OFF' direction embossed in th=
e
> body near the handle.
>
> Both valves on the 100s are large and robust, though still can get stuck
> due to corrosion.
>
>
> On 7/10/2023 8:32 AM, Michael Salter wrote:
>
> Turning off the small valve on the side of the engine will only ensure
> that the heater is most definitely OFF and will have no other detrimental
> effects.
> The 100 has 2 such valves, one on the head and one on the water pump and =
I
> always run with both turned off. My car is usually in winter storage befo=
re
> it's cold enough to need the heater.
>
> M
>
> On Mon., Jul. 10, 2023, 10:41 a.m. Simon Lachlan via Healeys, <
> healeys@autox.team.net> wrote:
>
>> I have a MkII BT7 with a normal Smith=E2=80=99s heater. Normal insofar a=
s it
>> never seems to be turned OFF 100% or ON 100%.
>>
>> We are in our summer(?!) at the moment and I was wondering about turning
>> off the tap in the hose from the block that leads into the cabin for the
>> heater.
>>
>> Would the heater box and/or its valve semi-dry out and fill with a mess
>> of rusty crud?
>>
>> Would the engine run hotter as there was a little less water running
>> through the system?
>>
>> Or would I find myself basking in cool luxury as I tootle off to the
>> local boozer?
>>
>> Or, most likely, none of the above, especially the last one?!
>>
>> I did take the car on quite a long trip the other day (Le Mans Classic!!=
)
>> and, once the heat had soaked through the insulation, we were quite warm=
=E2=80=A6.
>>
>> The more I think about this, the less I like the idea of turning that ta=
p
>> off=E2=80=A6..
>>
>> The tap does work, before you all shout at once!
>>
>> Simon
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>>
>>
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>
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<div dir=3D"auto">Actually Bob, as an aside, the thread on the handle is ac=
tually 12- 32 ... the only 12 - 32 thread on a Healey as far as I&#39;m=C2=
=A0 aware.<div dir=3D"auto">I know you absolutely couldn&#39;t continue wit=
h life as is without that incredibly important nugget of information. =F0=
=9F=A4=A3=F0=9F=A4=A3=F0=9F=A4=A3</div><div dir=3D"auto"><br></div><div dir=
=3D"auto">M</div><div dir=3D"auto"><br></div></div><br><div class=3D"gmail_=
quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon., Jul. 10, 2023, 3:03 p=
.m. Bob Spidell, &lt;<a href=3D"mailto:bspidell@comcast.net";>bspidell@comca=
st.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
 =20
   =20
 =20
  <div>
    Note the brass valve on the block is quite fragile and if it hasn&#39;t
    been &#39;exercised&#39; recently it&#39;s likely stuck and you stand a=
 good
    chance of snapping-off the small handle if you manhandle it. Moss
    has the complete valve at $150, and replacement handles are
    available. If it doesn&#39;t move easily I recommend soaking with a goo=
d
    penetrant oil and carefully applying some heat, and work it
    little-by-little (IIRC, the valve has the &#39;OFF&#39; direction embos=
sed
    in the body). A 10/32 machine screw will work as a handle in a
    pinch. IIRC, the valve has the &#39;OFF&#39; direction embossed in the =
body
    near the handle.<br>
    <br>
    Both valves on the 100s are large and robust, though still can get
    stuck due to corrosion.<br>
    <br>
    <br>
    <div>On 7/10/2023 8:32 AM, Michael Salter
      wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div dir=3D"auto">Turning off the small valve on the side of the
        engine will only ensure that the heater is most definitely OFF
        and will have no other detrimental effects.=C2=A0
        <div dir=3D"auto">The 100 has 2 such valves, one on the head and
          one on the water pump and I always run with both turned off.
          My car is usually in winter storage before it&#39;s cold enough t=
o
          need the heater.</div>
        <div dir=3D"auto"><br>
        </div>
        <div dir=3D"auto">M</div>
      </div>
      <br>
      <div class=3D"gmail_quote">
        <div dir=3D"ltr" class=3D"gmail_attr">On Mon., Jul. 10, 2023, 10:41
          a.m. Simon Lachlan via Healeys, &lt;<a href=3D"mailto:healeys@aut=
ox.team.net" target=3D"_blank" rel=3D"noreferrer">healeys@autox.team.net</a=
>&gt;
          wrote:<br>
        </div>
        <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border=
-left:1px #ccc solid;padding-left:1ex">
          <div link=3D"#0563C1" vlink=3D"#954F72" lang=3D"EN-GB">
            <div>
              <p class=3D"MsoNormal">I have a MkII BT7 with a normal
                Smith=E2=80=99s heater. Normal insofar as it never seems to=
 be
                turned OFF 100% or ON 100%.</p>
              <p class=3D"MsoNormal">We are in our summer(?!) at the
                moment and I was wondering about turning off the tap in
                the hose from the block that leads into the cabin for
                the heater.</p>
              <p class=3D"MsoNormal">Would the heater box and/or its valve
                semi-dry out and fill with a mess of rusty crud?</p>
              <p class=3D"MsoNormal">Would the engine run hotter as there
                was a little less water running through the system?</p>
              <p class=3D"MsoNormal">Or would I find myself basking in
                cool luxury as I tootle off to the local boozer?</p>
              <p class=3D"MsoNormal">Or, most likely, none of the above,
                especially the last one?!</p>
              <p class=3D"MsoNormal">I did take the car on quite a long
                trip the other day (Le Mans Classic!!) and, once the
                heat had soaked through the insulation, we were quite
                warm=E2=80=A6.</p>
              <p class=3D"MsoNormal">The more I think about this, the less
                I like the idea of turning that tap off=E2=80=A6..</p>
              <p class=3D"MsoNormal">The tap does work, before you all
                shout at once!</p>
              <p class=3D"MsoNormal">Simon</p>
            </div>
          </div>
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