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If one is going to fit a carburettor heat shield for the first time, =
stainless steel would be a good choice of material since it is a three =
times better insulator than carbon steel. Then, make a stainless piece =
the same shape as the old asbestos, attach it with bolts with a nut =
between the two for a spacer, for an improved version.
=20
Ian
=20
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Richard =
Collins
Sent: 22 June 2020 19:08
To: warthodson@aol.com
Cc: editorgary@aol.com; healeys@autox.team.net; eyera3000@gmail.com
Subject: Re: [Healeys] Tapitty tapping of Fuel Pump
=20
Just to continue the vapor lock talk, I don=E2=80=99t think my early BN7 =
had a heat shield on it as OEM. So several years ago after not driving =
much in the hot summers due to vapor lock issues, I bought a used but =
good heatshield from someone on the list to put between the carbs and =
the intake manifold.=20
I have yet to put it on as it sits on the pile of =E2=80=9Cto =
do=E2=80=9D things but I am sure it would help as well.
Regards,=20
Richard C
=20
On Jun 22, 2020, at 13:00, warthodson--- via Healeys =
=EF=BB=BF=20
I am going to assume by "draw heat away from the fuel line" you mean =
they block the heat from the exhaust system from being absorbed by the =
fuel line. That would mean that they act as an insulator between the =
heat source & the cooler fuel & fuel line. A cloths pin is about 1/2" =
wide. To have any measurable effect at all you would have to line the =
fuel line with cloths pins for several feet. =20
The purpose of a heat sink is to rapidly transfer heat from the heat =
source (exhaust) to another fluid (fuel line). Luckily, wood is not a =
good material for a heat sink.=20
Gary
-----Original Message-----
Sent: Mon, Jun 22, 2020 12:32 pm
Subject: Re: [Healeys] Tapitty tapping of Fuel Pump
clothes pins act as a heat sink and draw heat away from the fuel lines. =
easily moved about to locate best location.=20
worked on my 65 Oldsmobile that I got in 1973. and my Healey in the late =
70s and 80s in Los Angeles.=20
=20
On Mon, Jun 22, 2020, 10:20 AM <warthodson@aol.com =
Explain how they work, please. =20
Gary Hodson
=20
_______________________________________________
Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive
http://autox.team.net/mailman/listinfo/healeys
http://autox.team.net/mailman/options/healeys/gonnagitcha90@hotmail.com
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-GB link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>If one is going to fit a =
carburettor heat shield for the first time, stainless steel would be a =
good choice of material since it is a three times better insulator than =
carbon steel.=C2=A0 Then, make a stainless piece the same shape as the =
old asbestos, attach it with bolts with a nut between the two for a =
spacer, for an improved version.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>Ian<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span =
lang=3DEN-US>From:</span></b><span lang=3DEN-US> Healeys =
<healeys-bounces@autox.team.net> <b>On Behalf Of </b>Richard =
Collins<br><b>Sent:</b> 22 June 2020 19:08<br><b>To:</b> =
warthodson@aol.com<br><b>Cc:</b> editorgary@aol.com; =
healeys@autox.team.net; eyera3000@gmail.com<br><b>Subject:</b> Re: =
[Healeys] Tapitty tapping of Fuel =
Pump<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Just to =
continue the vapor lock talk, I don=E2=80=99t think my early BN7 had a =
heat shield on it as OEM. So several years ago after not driving much in =
the hot summers due to vapor lock issues, I bought a used but good =
heatshield from someone on the list to put between the carbs and =
the intake manifold. <o:p></o:p></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>I have yet to put it on as it sits on the =
pile of =E2=80=9Cto do=E2=80=9D things but I am sure it would help as =
well.<o:p></o:p></p><div><p class=3DMsoNormal>Regards, =
<o:p></o:p></p><div><p class=3DMsoNormal>Richard =
C<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div></div><div><p =
class=3DMsoNormal><br><br><o:p></o:p></p><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>On Jun 22, 2020, at 13:00, warthodson--- =
via Healeys <<a =
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>> =
wrote:<o:p></o:p></p></blockquote></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal>=EF=BB=BF <o:p></o:p></p><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Comic =
Sans MS";color:black'>I am going to assume by "draw heat away from =
the fuel line" you mean they block the heat from the exhaust system =
from being absorbed by the fuel line. That would mean that they act as =
an insulator between the heat source & the cooler fuel & fuel =
line. A cloths pin is about 1/2" wide. To have any measurable =
effect at all you would have to line the fuel line with cloths pins for =
several feet. <o:p></o:p></span></p><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Comic =
Sans MS";color:black'>The purpose of a heat sink is to rapidly transfer =
heat from the heat source (exhaust) to another fluid (fuel line). =
Luckily, wood is not a good material for a heat =
sink. <o:p></o:p></span></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:12.0pt;font-family:"Comic Sans =
MS";color:black'>Gary<br><br><o:p></o:p></span></p><div><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>---=
--Original Message-----<br>From: i erbs <<a =
href=3D"mailto:eyera3000@gmail.com";>eyera3000@gmail.com</a>><br>To: =
<a href=3D"mailto:warthodson@aol.com";>warthodson@aol.com</a><br>Cc: Alan =
Seigrist <<a =
href=3D"mailto:healey.nut@gmail.com";>healey.nut@gmail.com</a>>; Gary =
Anderson <<a =
href=3D"mailto:Editorgary@aol.com";>Editorgary@aol.com</a>>; <a =
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a> <<a =
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>><br>=
Sent: Mon, Jun 22, 2020 12:32 pm<br>Subject: Re: [Healeys] Tapitty =
tapping of Fuel Pump<o:p></o:p></span></p><div =
id=3Dyiv1882430904><div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>clo=
thes pins act as a heat sink and draw heat away from the fuel lines. =
easily moved about to locate best location. =
<o:p></o:p></span></p><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>wor=
ked on my 65 Oldsmobile that I got in 1973. and my Healey in the late =
70s and 80s in Los Angeles. <o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p> </o:p></span></p><div id=3Dyiv1882430904yqt31631><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'>On =
Mon, Jun 22, 2020, 10:20 AM <<a href=3D"mailto:warthodson@aol.com"; =
target=3D"_blank">warthodson@aol.com</a>> =
wrote:<o:p></o:p></span></p></div><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><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Comic =
Sans MS";color:black'>Explain how they work, please. =
<o:p></o:p></span></p><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span =
style=3D'font-size:12.0pt;font-family:"Comic Sans MS";color:black'>Gary =
Hodson<br><br><o:p></o:p></span></p><div><div =
id=3D"yiv1882430904m_-8440417671995151154yqtfd83548"><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Arial",sans-serif;color:black'><o:=
p> </o:p></span></p></div></div></div></div></blockquote></div></div=
></div></div></div></div></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
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