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Turning liquid (gasoline) into vaper or gas (phase change from liquid to g=
as) requires HEAT input .Or pressure drop.....Insulate from heat, no vapor
Jim
On Monday, June 22, 2020, 10:21:10 AM PDT, warthodson--- via Healeys <h=
ealeys@autox.team.net> wrote: =20
=20
Explain how they work, please.=C2=A0Gary Hodson
-----Original Message-----
From: i erbs <eyera3000@gmail.com>
To: Alan Seigrist <healey.nut@gmail.com>
Cc: Editorgary@aol.com; Ahealey help <healeys@autox.team.net>
Sent: Mon, Jun 22, 2020 10:46 am
Subject: Re: [Healeys] Tapitty tapping of Fuel Pump
wooden clothes pins worked great when I lived in Los Angeles.=C2=A0
On Sun, Jun 21, 2020, 7:09 PM Alan Seigrist <healey.nut@gmail.com> wrote:
Hi Gary -
If you start hearing the pump run really quickly, it can be indicative of v=
apor lock getting back into the fuel line... can happen at the end of long =
trips.=C2=A0 It's because the fuel starts vaporizing around where the line =
goes into the floats, and the float jet then is no longer cutting off fuel =
flow because it is pushing vapor into the float bowls, which leaks out the =
overflow tube.=C2=A0 As long as your car is running it should be okay, you =
might use more fuel than normal.=C2=A0 Try wiring a piece of wood to the in=
coming fuel line - this is an old trick with Atlantics to act as a heat sin=
k on hot days and stop vapor lock on the Atlantics which use mechanical fue=
l pumps.
Best,
Alan
On Mon, Jun 22, 2020 at 9:12 AM editorgary--- via Healeys <healeys@autox.te=
am.net> wrote:
Yesterday I took my Healey BN& out for its first good run of the season -- =
75 miles of southern Oregon backroads -- with our local Rogue Euro Car Grou=
p. Everything was terrific from start to finish. Car started on the first p=
ush of the button after sitting for six weeks, ran smoothly from start to f=
inish, never faltered in restarts, everything nominal.
Except that, towards the end of the run on a pretty hot day (in mid 90s tho=
ugh the car never ran warm all day) as I was cruising along about 40 mph, t=
he fuel pump started tapping at a high rate of speed and pretty continuousl=
y -- certain enough so I could hear it behind me. I have a standard origina=
l-spec points-style fuel pump, purchased new from Moss about 10 years ago a=
nd running without any issues every since.=20
Any thoughts from anyone -- could it just have been the heat? As noted, the=
car never missed a beat, so fuel was getting through the carbs smoothly at=
all times.=20
Anyone?
Gary Anderson
_______________________________________________
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e
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t@gmail.com
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oo.com
=20
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<html><head></head><body><div class=3D"ydp2efa62d5yahoo-style-wrap" style=
=3D"font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 1=
3px;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">Turning liquid (gasoline) in=
to vaper or gas (phase change from liquid to gas) requires HEAT input .Or p=
ressure drop.....Insulate from heat, no vapor</div><div dir=3D"ltr" data-se=
tdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">Jim<br></di=
v><div><br></div>
=20
</div><div id=3D"ydpa53464eeyahoo_quoted_3066781145" class=3D"ydpa5=
3464eeyahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Monday, June 22, 2020, 10:21:10 AM PDT, warthodson--=
- via Healeys <healeys@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydpa53464eeyiv9494751301"><div><div style=
=3D"color: black; font-style: normal; font-weight: normal; font-stretch: no=
rmal; font-size: 12pt; line-height: normal; font-family: Comic Sans MS, san=
s-serif; font-size-adjust: none;">Explain how they work, please.
<div>Gary Hodson<br clear=3D"none">
<br clear=3D"none">
<br clear=3D"none">
<div style=3D"font-family:arial, helvetica;font-size:10pt;color:black;">---=
--Original Message-----<br clear=3D"none">
From: i erbs <eyera3000@gmail.com><br clear=3D"none">
To: Alan Seigrist <healey.nut@gmail.com><br clear=3D"none">
Cc: Editorgary@aol.com; Ahealey help <healeys@autox.team.net><br clea=
r=3D"none">
Sent: Mon, Jun 22, 2020 10:46 am<br clear=3D"none">
Subject: Re: [Healeys] Tapitty tapping of Fuel Pump<br clear=3D"none">
<br clear=3D"none">
<div class=3D"ydpa53464eeyiv9494751301yqt7016957162" id=3D"ydpa53464eeyiv94=
94751301yqt91183"><div id=3D"ydpa53464eeyiv9494751301">
<div>
<div>wooden clothes pins worked great when I lived in Los Angeles. </d=
iv>
<br clear=3D"none">
<div class=3D"ydpa53464eeyiv9494751301gmail_quote">
<div class=3D"ydpa53464eeyiv9494751301yqt0151343076" id=3D"ydpa53464eeyiv94=
94751301yqtfd50363">
<div class=3D"ydpa53464eeyiv9494751301gmail_attr" dir=3D"ltr">On Sun, Jun 2=
1, 2020, 7:09 PM Alan Seigrist <<a shape=3D"rect" href=3D"mailto:healey.=
nut@gmail.com" rel=3D"nofollow" target=3D"_blank">healey.nut@gmail.com</a>&=
gt; wrote:<br clear=3D"none"></div>
</div>
<blockquote class=3D"ydpa53464eeyiv9494751301gmail_quote" style=3D"margin:0=
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class=3D"ydpa53464eeyiv9494751301yqt0151343076" id=3D"ydpa53464eeyiv94=
94751301yqtfd81016">
<div dir=3D"ltr">Hi Gary -
<div><br clear=3D"none"></div>
<div>If you start hearing the pump run really quickly, it can be indicative=
of vapor lock getting back into the fuel line... can happen at the end of =
long trips. It's because the fuel starts vaporizing around where the =
line goes into the floats, and the float jet then is no longer cutting off =
fuel flow because it is pushing vapor into the float bowls, which leaks out=
the overflow tube. As long as your car is running it should be okay,=
you might use more fuel than normal. Try wiring a piece of wood to t=
he incoming fuel line - this is an old trick with Atlantics to act as a hea=
t sink on hot days and stop vapor lock on the Atlantics which use mechanica=
l fuel pumps.</div>
<div><br clear=3D"none"></div>
<div>Best,</div>
<div><br clear=3D"none"></div>
<div>Alan</div>
</div>
<br clear=3D"none">
<div class=3D"ydpa53464eeyiv9494751301gmail_quote">
<div class=3D"ydpa53464eeyiv9494751301gmail_attr" dir=3D"ltr">On Mon, Jun 2=
2, 2020 at 9:12 AM editorgary--- via Healeys <<a shape=3D"rect" href=3D"=
mailto:healeys@autox.team.net"; rel=3D"nofollow" target=3D"_blank">healeys@a=
utox.team.net</a>> wrote:<br clear=3D"none"></div>
<blockquote class=3D"ydpa53464eeyiv9494751301gmail_quote" style=3D"margin:0=
px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">
<div style=3D"color: black; font-style: normal; font-weight: normal; font-s=
tretch: normal; font-size: 10pt; line-height: normal; font-family: Arial, H=
elvetica, sans-serif; font-size-adjust: none;">
<div><font size=3D"2">Yesterday I took my Healey BN& out for its first =
good run of the season -- 75 miles of southern Oregon backroads -- with our=
local Rogue Euro Car Group. Everything was terrific from start to finish. =
Car started on the first push of the button after sitting for six weeks, ra=
n smoothly from start to finish, never faltered in restarts, everything nom=
inal.</font></div>
<div><font size=3D"2"><br clear=3D"none">
Except that, towards the end of the run on a pretty hot day (in mid 90s tho=
ugh the car never ran warm all day) as I was cruising along about 40 mph, t=
he fuel pump started tapping at a high rate of speed and pretty continuousl=
y -- certain enough so I could hear it behind me. I have a standard origina=
l-spec points-style fuel pump, purchased new from Moss about 10 years ago a=
nd running without any issues every since. <br clear=3D"none">
</font></div>
<div><font size=3D"2"><br clear=3D"none">
</font></div>
<div><font size=3D"2">Any thoughts from anyone -- could it just have been t=
he heat? As noted, the car never missed a beat, so fuel was getting through=
the carbs smoothly at all times. <br clear=3D"none">
</font></div>
<div><font size=3D"2"><br clear=3D"none">
</font></div>
<div><font size=3D"2">Anyone?</font></div>
<div><font size=3D"2"><br clear=3D"none">
</font></div>
<div><font size=3D"2">Gary Anderson</font></div>
<div><font size=3D"2"><br clear=3D"none">
</font></div>
</div>
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</blockquote></div>
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