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Hello Brian
Some years back the BN3 started to run poorly, not inconsistent to the
symptoms you have described.
After much trial and error I was getting nowhere.
It then occurred to me to go back to how it was when the car left the DHMC,
and I removed the inline fuel filter. It ran perfectly!
I had swapped the filter during the trial and error.
Conclusion! The engine was starving for fuel due to the original pump not
being able to push it through or the filter(s) were restricting the fuel.
Also the Healey Duncan is exactly how it left the DHMC.
Best wishes
Patrick Quinn
Blue Mountains, Australia.
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Brian
Drab
Sent: Saturday, 30 May 2020 4:03 AM
To: healeys@autox.team.net
Subject: [Healeys] Running Problem and assistance from the list
First I would like to thank everyone for their suggestions. This list
continues to amaze me and I am thankful to be a member.
Unfortunately I have tried all suggestions that were mentioned.
Just for clarification, I detached the fuel line from the pumps and blew it
back into the tank. I did not blow trough the pumps. Next time I'll
remember to remove the gas cap though. It sounded like I could have blown up
the gas tank (I didn't). I had checked the needles on the vacuum pistons
and they were solid in them. The only thing I have not done yet is to blow
out the passages between float ball and the carb body. The quantity of fuel
coming out of the line at the carbs when the ignition was turned on was
quite significant. There was no air nor was there any debris in the fuel .
I have repaired cars that had identical running problems and in my mind it
was a fuel starvation or delivery problem. I just hope I haven't been
mislead and focussing on a fuel issue when it could be a bad coil or
electronic ignition issue. I will be putting everything back together and
moving to the ignition side next. There has to be a solution, all I have to
do is find it!
Thanks all.
Brian Drab
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-AU link=3D"#0563C1=
" vlink=3D"#954F72"><div class=3DWordSection1><p class=3DMsoNormal><span st=
yle=3D'font-family:"Times New Roman","serif"'>Hello Brian<o:p></o:p></span>=
</p><p class=3DMsoNormal><span style=3D'font-family:"Times New Roman","seri=
f"'><o:p> </o:p></span></p><p class=3DMsoNormal><span style=3D'font-fa=
mily:"Times New Roman","serif"'>Some years back the BN3 started to run poor=
ly, not inconsistent to the symptoms you have described.<o:p></o:p></span><=
/p><p class=3DMsoNormal><span style=3D'font-family:"Times New Roman","serif=
"'><o:p> </o:p></span></p><p class=3DMsoNormal><span style=3D'font-fam=
ily:"Times New Roman","serif"'>After much trial and error I was getting now=
here. <o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-family=
:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=3DMsoNorma=
l><span style=3D'font-family:"Times New Roman","serif"'>It then occurred to=
me to go back to how it was when the car left the DHMC, and I removed the =
inline fuel filter. It ran perfectly!<o:p></o:p></span></p><p class=3DMsoNo=
rmal><span style=3D'font-family:"Times New Roman","serif"'><o:p> </o:p=
></span></p><p class=3DMsoNormal><span style=3D'font-family:"Times New Roma=
n","serif"'>I had swapped the filter during the trial and error. <o:p></o:p=
></span></p><p class=3DMsoNormal><span style=3D'font-family:"Times New Roma=
n","serif"'><o:p> </o:p></span></p><p class=3DMsoNormal><span style=3D=
'font-family:"Times New Roman","serif"'>Conclusion! The engine was starving=
for fuel due to the original pump not being able to push it through or the=
filter(s) were restricting the fuel.<o:p></o:p></span></p><p class=3DMsoNo=
rmal><span style=3D'font-family:"Times New Roman","serif"'><o:p> </o:p=
></span></p><p class=3DMsoNormal><span style=3D'font-family:"Times New Roma=
n","serif"'>Also the Healey Duncan is exactly how it left the DHMC.<o:p></o=
:p></span></p><p class=3DMsoNormal><span style=3D'font-family:"Times New Ro=
man","serif"'><o:p> </o:p></span></p><p class=3DMsoNormal><span style=
=3D'font-family:"Times New Roman","serif"'>Best wishes<o:p></o:p></span></p=
><p class=3DMsoNormal><span style=3D'font-family:"Times New Roman","serif"'=
><o:p> </o:p></span></p><p class=3DMsoNormal><span style=3D'font-famil=
y:"Times New Roman","serif"'>Patrick Quinn<o:p></o:p></span></p><p class=3D=
MsoNormal><span style=3D'font-family:"Times New Roman","serif"'>Blue Mounta=
ins, Australia.<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'fo=
nt-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0=
cm'><p class=3DMsoNormal><b><span lang=3DEN-US style=3D'font-size:10.0pt;fo=
nt-family:"Tahoma","sans-serif";mso-fareast-language:EN-AU'>From:</span></b=
><span lang=3DEN-US style=3D'font-size:10.0pt;font-family:"Tahoma","sans-se=
rif";mso-fareast-language:EN-AU'> Healeys [mailto:healeys-bounces@autox.tea=
m.net] <b>On Behalf Of </b>Brian Drab<br><b>Sent:</b> Saturday, 30 May 2020=
4:03 AM<br><b>To:</b> healeys@autox.team.net<br><b>Subject:</b> [Healeys] =
Running Problem and assistance from the list<o:p></o:p></span></p></div></d=
iv><p class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><span lan=
g=3DEN-CA>First I would like to thank everyone for their suggestions. This =
list continues to amaze me and I am thankful to be a member.<o:p></o:p></sp=
an></p><p class=3DMsoNormal><span lang=3DEN-CA>Unfortunately I have tried a=
ll suggestions that were mentioned. <o:p></o:p></span></p><p class=3DMsoNor=
mal><span lang=3DEN-CA>Just for clarification, I detached the fuel line fro=
m the pumps and blew it back into the tank. I did not blow trough the pumps=
=2E Next time I’ll remember to remove the gas cap though. It so=
unded like I could have blown up the gas tank (I didn’t). I had=
checked the needles on the vacuum pistons and they were solid in them. The=
only thing I have not done yet is to blow out the passages between float b=
all and the carb body. The quantity of fuel coming out of the line at the c=
arbs when the ignition was turned on was quite significant. There was no ai=
r nor was there any debris in the fuel .<o:p></o:p></span></p><p class=3DMs=
oNormal><span lang=3DEN-CA>I have repaired cars that had identical running =
problems and in my mind it was a fuel starvation or delivery problem.=
I just hope I haven’t been mislead and focussing on a fuel iss=
ue when it could be a bad coil or electronic ignition issue. I will be putt=
ing everything back together and moving to the ignition side next. There ha=
s to be a solution, all I have to do is find it!<o:p></o:p></span></p><p cl=
ass=3DMsoNormal><span lang=3DEN-CA>Thanks all.<o:p></o:p></span></p><p clas=
s=3DMsoNormal><span lang=3DEN-CA>Brian Drab<o:p></o:p></span></p><p class=
=3DMsoNormal><span lang=3DEN-CA><o:p> </o:p></span></p></div><div id=
=3D"DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br />
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