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Re: [Healeys] Inlet Manifold Fuel Drain Pipes

To: "warthodson@aol.com" <warthodson@aol.com>
Subject: Re: [Healeys] Inlet Manifold Fuel Drain Pipes
From: Jim Ryan <ryan@jimryan.com>
Date: Tue, 25 Jul 2023 10:22:09 -0400
Cc: Healey List <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAFP1XCB_AOpNpnh3CFn8+RmtbeYHNyYWTuqeGn8MDjiGooirrA@mail.gmail.com> <019401d9be7d$5f370110$1da50330$@sympatico.ca> <1306929811.4019367.1690292151962@mail.yahoo.com>
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I would taste it to see what it is.

On Tue, Jul 25, 2023 at 9:55=E2=80=AFAM warthodson--- via Healeys <
healeys@autox.team.net> wrote:

> It would seem to me that after a reasonably long drive the heat in the
> engine, exhaust manifold, etc would vaporize any fuel in the intake
> manifold. Next time you see the drips on the floor turn on you ignition
> switch, but do not start the engine. Listen to the fuel pump to determine
> that it stops pumping after a few seconds to verify that the pump & carb
> floats are functioning correctly. Assuming you have an original fuel pump=
.
> Also, verify that the liquid is fuel & that it is coming from the intake
> manifold drain tubes & not the carb float bowl overflow tube(s).
> Gary Hodson
>
>
> On Monday, July 24, 2023 at 09:57:35 PM CDT, m.g.sharp@sympatico.ca <
> m.g.sharp@sympatico.ca> wrote:
>
>
> Hi Harold,  I don=E2=80=99t think they should be draining anything on a r=
egular
> basis.  I have never had anything come out of the pipes on my BT7, and I
> assumed they were there only to drain the inlet gallery if excessive fuel
> accumulated there.  Under normal operation, I did not think anything shou=
ld
> come out, but others may have a different experience.
>
>
>
> Mirek
>
>
>
> *From:* Healeys <healeys-bounces@autox.team.net> *On Behalf Of *Harold
> Manifold
> *Sent:* Monday, July 24, 2023 1:50 PM
> *To:* Healey List <healeys@autox.team.net>
> *Subject:* [Healeys] Inlet Manifold Fuel Drain Pipes
>
>
>
> Though I have owned an Austin-Healey for 7+ years it has only been on the
> road this year and I am still learning what is normal operation. When I
> park the car after a reasonably long drive a few drops of unidentified
> hydrocarbon liquid end up on the garage floor under the inlet manifold
> fuel drain pipes. Is this normal operation?
>
>
>
> It stands to reason there wouldn't be drain pipes unless there was a need
> to drain something!
>
>
>
> Harold
>
>
>
>
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>

--=20

Jim Ryan

=C2=A9=C2=BF=C2=A9=C2=AC

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<div dir=3D"ltr">I would taste it to see what it is.<br></div><br><div clas=
s=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Jul 25, 202=
3 at 9:55=E2=80=AFAM warthodson--- via Healeys &lt;<a href=3D"mailto:healey=
s@autox.team.net">healeys@autox.team.net</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px s=
olid rgb(204,204,204);padding-left:1ex"><div><div style=3D"font-family:&quo=
t;Comic Sans MS&quot;,sans-serif;font-size:16px"><div></div>
        <div dir=3D"ltr">It would seem to me that after a reasonably long d=
rive the heat in the engine, exhaust manifold, etc would vaporize any fuel =
in the intake manifold. Next time you see the drips on the floor turn on yo=
u ignition switch, but do not start the engine. Listen to the fuel pump to =
determine that it stops pumping after a few seconds to verify that the pump=
 &amp; carb floats are functioning correctly. Assuming you have an original=
 fuel pump. Also, verify that the liquid is fuel &amp; that it is coming fr=
om the intake manifold drain tubes &amp; not the carb float bowl overflow t=
ube(s).</div><div dir=3D"ltr">Gary Hodson</div><div dir=3D"ltr">=C2=A0 =C2=
=A0</div><div><br></div>
       =20
        </div><div id=3D"m_515117566602922576ydpc3454de4yahoo_quoted_057580=
1815">
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                    On Monday, July 24, 2023 at 09:57:35 PM CDT, <a href=3D=
"mailto:m.g.sharp@sympatico.ca"; target=3D"_blank">m.g.sharp@sympatico.ca</a=
> &lt;<a href=3D"mailto:m.g.sharp@sympatico.ca"; target=3D"_blank">m.g.sharp=
@sympatico.ca</a>&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"m_515117566602922576ydpc3454de4yiv491853873=
6"><div><div><p><span>Hi Harold,=C2=A0 I don=E2=80=99t think they should be=
 draining anything on a regular basis.=C2=A0 I have never had anything come=
 out of the pipes on my BT7, and I assumed they were there only to drain th=
e inlet gallery if excessive fuel accumulated there.=C2=A0 Under normal ope=
ration, I did not think anything should come out, but others may have a dif=
ferent experience.</span></p><p><span> =C2=A0</span></p><p><span>Mirek</spa=
n></p><p><span> =C2=A0</span></p><div id=3D"m_515117566602922576ydpc3454de4=
yiv4918538736yqt33965"><div style=3D"border-right:none;border-bottom:none;b=
order-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">=
<p><b><span lang=3D"EN-US">From:</span></b><span lang=3D"EN-US"> Healeys &l=
t;<a href=3D"mailto:healeys-bounces@autox.team.net"; target=3D"_blank">heale=
ys-bounces@autox.team.net</a>&gt; <b>On Behalf Of </b>Harold Manifold<br cl=
ear=3D"none"><b>Sent:</b> Monday, July 24, 2023 1:50 PM<br clear=3D"none"><=
b>To:</b> Healey List &lt;<a href=3D"mailto:healeys@autox.team.net"; target=
=3D"_blank">healeys@autox.team.net</a>&gt;<br clear=3D"none"><b>Subject:</b=
> [Healeys] Inlet Manifold Fuel Drain Pipes</span></p></div><p> =C2=A0</p><=
div><p>Though I have owned an Austin-Healey for 7+ years it has only been o=
n the road this year and I am still learning=C2=A0what is normal operation.=
 When I park the car after a reasonably long drive a few drops of unidentif=
ied hydrocarbon liquid end up on the garage floor under the inlet manifold =
fuel=C2=A0drain=C2=A0pipes. Is this normal operation?</p><div><p> =C2=A0</p=
></div><div><p>It stands to reason there wouldn&#39;t be drain pipes unless=
 there was a need to drain something!</p></div><div><p> =C2=A0</p></div><di=
v><p>Harold</p><div><p> =C2=A0</p></div><div><p> =C2=A0</p></div></div></di=
v></div></div></div></div><div id=3D"m_515117566602922576ydpc3454de4yqt1928=
7">_______________________________________________<br clear=3D"none">Suppor=
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</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr"><p style=3D"font-size:12.8px"><span style=3D"font-size:10pt;=
color:navy">Jim Ryan<u></u><u></u></span></p><p style=3D"font-size:12.8px">=
=C2=A9=C2=BF=C2=A9=C2=AC</p></div></div>

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