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Two comments to your original post.The carb float bowl overflow pipe cannot=
"siphon" fuel out of the float bowl. It only drains excess fuel out when f=
or example the float valve does not seat correctly.You cannot blow fuel/air=
backward thru an SU fuel pump. It's internal valves act as a check valve p=
reventing reverse flow. I am not familiar with the operation of the afterma=
rket pump you also have installed. Is in in series or in parallel with the =
SU? Do you have an original gas tank? Has it been internally coated?Gary Ho=
dson=C2=A0
-----Original Message-----
From: Perry via Healeys <healeys@autox.team.net>
To: Brian Drab <bgdrab@redzone.ca>; healeys@autox.team.net <healeys@autox.t=
eam.net>
Sent: Fri, May 29, 2020 7:00 am
Subject: Re: [Healeys] Running Problem
#yiv3340997581 #yiv3340997581 -- _filtered {} _filtered {}#yiv3340997581 #y=
iv3340997581 p.yiv3340997581MsoNormal, #yiv3340997581 li.yiv3340997581MsoNo=
rmal, #yiv3340997581 div.yiv3340997581MsoNormal {margin:0in;margin-bottom:.=
0001pt;font-size:11.0pt;font-family:sans-serif;}#yiv3340997581 a:link, #yiv=
3340997581 span.yiv3340997581MsoHyperlink {color:blue;text-decoration:under=
line;}#yiv3340997581 .yiv3340997581MsoChpDefault {} _filtered {}#yiv3340997=
581 div.yiv3340997581WordSection1 {}#yiv3340997581 BrianWith the info you p=
rovided there isn=E2=80=99t to many =E2=80=9Ccauses=E2=80=9D that would fit=
those parameters. Fuel on the ground under the front of the car---very ove=
r rich situation at the carbs, likely a float needle stuck open. Not sure i=
f the fuel spill happened when the ignition was on or off.When it does star=
t, runs rough. You didn=E2=80=99t mention if it was belching black smoke ou=
t the tailpipes.=C2=A0 Could be lean or rich but since you mentioned the sp=
ark plugs looked OK suspect lean condition ---Suspect clog at the float nee=
dle. It only takes a very small flake of rust or crud to block them or hold=
them open.The carbs really don=E2=80=99t care if a bit of air is being suc=
ked through the fuel line as long as the carb bowl stays at the proper fuel=
level in the float chamber.Did you collect a sample of the fuel when you r=
an the pump with the fuel line disconnected? Wasn=E2=80=99t sure what =E2=
=80=9Cran clear=E2=80=9D meant other than no bubbles. Was it a visual obser=
vation or inspected sample.I=E2=80=99m leaning towards a rusty fuel tank or=
accumulated crud in the fuel system. As others mentioned, a filter between=
the pump and carb will remove the offending substances before it gets to t=
he one place that makes the engine act up, fuel wise.Perry =C2=A0Sent from =
Mail for Windows 10 =C2=A0From: Brian Drab
Sent: Thursday, May 28, 2020 8:57 PM
To: healeys@autox.team.net
Subject: [Healeys] Running Problem =C2=A0I guess I wasn=E2=80=99t too clear=
on something in my first post I only smelled raw gas once and it only leak=
ed fuel once. Since then I have searched for some source of fuel leakage bu=
t can=E2=80=99t find any. I was thi8nking that it might be sucking air as w=
ell as gas through some hole in tank to pump lines, but when I checked the =
fuel delivery it ran clear with no air bubbles in the gas..Brian Drab =C2=
=A0 =C2=A0_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
n@aol.com
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<div style=3D"color:black;font: 10pt arial;">Two comments to your original =
post.
<div>The carb float bowl overflow pipe cannot "siphon" fuel out of the floa=
t bowl. It only drains excess fuel out when for example the float valve doe=
s not seat correctly.</div>
<div>You cannot blow fuel/air backward thru an SU fuel pump. It's internal =
valves act as a check valve preventing reverse flow. I am not familiar with=
the operation of the aftermarket pump you also have installed. Is in in se=
ries or in parallel with the SU? Do you have an original gas tank? Has it b=
een internally coated?</div>
<div>Gary Hodson </div>
<div><br>
</div>
<div>
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br>
From: Perry via Healeys <healeys@autox.team.net><br>
To: Brian Drab <bgdrab@redzone.ca>; healeys@autox.team.net <healey=
s@autox.team.net><br>
Sent: Fri, May 29, 2020 7:00 am<br>
Subject: Re: [Healeys] Running Problem<br>
<br>
<div id=3D"yiv3340997581"><style>#yiv3340997581 #yiv3340997581 --
=20
_filtered {}
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#yiv3340997581 =20
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f;}
#yiv3340997581 a:link, #yiv3340997581 span.yiv3340997581MsoHyperlink
=09{color:blue;text-decoration:underline;}
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_filtered {}
#yiv3340997581 div.yiv3340997581WordSection1
=09{}
#yiv3340997581 </style>
<div>
<div class=3D"yiv3340997581WordSection1">
<div class=3D"yiv3340997581MsoNormal">Brian</div>
<div class=3D"yiv3340997581MsoNormal">With the info you provided there isn=
=E2=80=99t to many =E2=80=9Ccauses=E2=80=9D that would fit those parameters=
.</div>
<div class=3D"yiv3340997581MsoNormal"> Fuel on the ground under the front o=
f the car---very over rich situation at the carbs, likely a float needle st=
uck open. Not sure if the fuel spill happened when the ignition was on or o=
ff.</div>
<div class=3D"yiv3340997581MsoNormal">When it does start, runs rough. You d=
idn=E2=80=99t mention if it was belching black smoke out the tailpipes.&nbs=
p; Could be lean or rich but since you mentioned the spark plugs looked OK =
suspect lean condition ---</div>
<div class=3D"yiv3340997581MsoNormal">Suspect clog at the float needle. It =
only takes a very small flake of rust or crud to block them or hold them op=
en.</div>
<div class=3D"yiv3340997581MsoNormal">The carbs really don=E2=80=99t care i=
f a bit of air is being sucked through the fuel line as long as the carb bo=
wl stays at the proper fuel level in the float chamber.</div>
<div class=3D"yiv3340997581MsoNormal">Did you collect a sample of the fuel =
when you ran the pump with the fuel line disconnected? Wasn=E2=80=99t sure =
what =E2=80=9Cran clear=E2=80=9D meant other than no bubbles. Was it a visu=
al observation or inspected sample.</div>
<div class=3D"yiv3340997581MsoNormal">I=E2=80=99m leaning towards a rusty f=
uel tank or accumulated crud in the fuel system. As others mentioned, a fil=
ter between the pump and carb will remove the offending substances before i=
t gets to the one place that makes the engine act up, fuel wise.</div>
<div class=3D"yiv3340997581MsoNormal">Perry</div>
<div class=3D"yiv3340997581MsoNormal"> </div>
<div class=3D"yiv3340997581MsoNormal">Sent from <a rel=3D"nofollow" shape=
=3D"rect" target=3D"_blank" href=3D"https://go.microsoft.com/fwlink/?LinkId=
=3D550986">Mail</a> for Windows 10</div>
<div class=3D"yiv3340997581MsoNormal"> </div>
<div class=3D"yiv3340997581yqt4981832769" id=3D"yiv3340997581yqt75381">
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in;">
<div class=3D"yiv3340997581MsoNormal" style=3D"border:none;padding:0in;"><b=
>From: </b><a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:bgdrab@redz=
one.ca" target=3D"_blank" href=3D"mailto:bgdrab@redzone.ca";>Brian Drab</a><=
br clear=3D"none"><b>Sent: </b>Thursday, May 28, 2020 8:57 PM<br clear=3D"n=
one"><b>To: </b><a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:healey=
s@autox.team.net" target=3D"_blank" href=3D"mailto:healeys@autox.team.net";>=
healeys@autox.team.net</a><br clear=3D"none"><b>Subject: </b>[Healeys] Runn=
ing Problem</div>
</div>
<div class=3D"yiv3340997581MsoNormal"> </div>
<div class=3D"yiv3340997581MsoNormal"><span lang=3D"EN-CA">I guess I wasn=
=E2=80=99t too clear on something in my first post I only smelled raw gas o=
nce and it only leaked fuel once. Since then I have searched for some sourc=
e of fuel leakage but can=E2=80=99t find any. I was thi8nking that it might=
be sucking air as well as gas through some hole in tank to pump lines, but=
when I checked the fuel delivery it ran clear with no air bubbles in the g=
as..</span></div>
<div class=3D"yiv3340997581MsoNormal"><span lang=3D"EN-CA">Brian Drab</span=
></div>
</div>
<div class=3D"yiv3340997581MsoNormal"><span lang=3D"EN-CA"> </span></=
div>
<div class=3D"yiv3340997581MsoNormal"> </div>
</div>
</div>
</div>
<div class=3D"yqt4981832769" id=3D"yqt30250">______________________________=
_________________<br clear=3D"none">Support Team.Net <a shape=3D"rect" href=
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive
Healeys@autox.team.net
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