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We stopped selling this pump about 5 years ago. Our current fuel pump is
made in Italy and we do not have issues with them.
regards,
Albert
TRF
On Mon, Aug 10, 2020 at 11:43 PM staffel <staffel@comcast.net> wrote:
>
> Several years ago on an evening club drive in the Catoctin Mts of
> Maryland my TR4 developed running/ hesitation issues. Then it got dark &
> started to rain. Could not drive the car steady over 45mph. Typical fuel
> flow clogging issue symptoms. Fortunately we made it into Fredericksburg
> and a Motel.
>
> Next morning, still raining, the issue was apparent: in the bottom of the
> Glass fuel bowl- a pile of 'rust dust'. Cleaned the bowl & nursed the car
> home 30 miles, but it kept dying. Fortunately a Jag club friend came by and
> got his trailer & towed me home.
>
> Further examination determined sediment also in the CD carbs fuel bowls.
> So much for the fuel pump 'screen' being 'effective'.
>
> Also examination of the fuel pump (original) revealed a weak diaphragm, so
> while working on the carbs, ordered a new pump from TRF.
>
> A few months later got everything back together. The engine started right
> up & ran fine. But no matter how I tried to seal the threads on fuel feed
> of the original curved pipe inlet 'nut' to the new pump ( pipe dope,
> teflon tape, rtv) the leak wouldn't stop.
>
> Magnifying glass exam of the original Triumph Male pipe 'nut' and the
> female threaded bore of the new TRF pump revealed a slight thread mismatch
> - Chinese machining. It was not Metric either.
>
> So after talking with TRF, I decided to forget the mechanical pump and
> install an electric pump, ala Jaguar V12s & Jensen Healey / GTs (Lotus 907).
>
> Well, I installed a couple of different new electric pumps adjacent to
> the mechanical pump.
>
> They would never 'self prime'.
>
> Now, returning to the project. I removed the mechanical pump, & DRAINED
> the tank of the old fuel. It seems that the gravity feed when the tank is
> less than 1/2 full requires the elec pump to be very low ( like the
> original input height of the original pump, to receive fuel.
>
> So I am redetailing the frame (cleaning & new paint) and securing the new
> fuel line, inline glass Filter & elec pump right on the frame. This allows
> the steel feed line from the tank ( after Dremel Tool cutting) to match the
> new location of the electric pump.
>
> Next will be modifying a new copper fuel line ( semblance of originality)
> to meet the elec pump feed right behind & adjacent to the Water pump. The
> original copper pipe mated to the back of the mechanical pump , ran up and
> forward along the engine at the cylinder head level to the front of the
> engine & then across to the carburetor feeds.
>
> Finally hope this resolves the fuel delivery issue.
>
> I wanted to share a warning about the TRF pump supplier manufacturing
> glitch. So others can not waste years getting their TRs back to Roadworthy
> status.
>
> Obviously not going to drive a car with weeping fuel near a hot engine. At
> least on the TR4 & 6s, ( unlike Jaguar 6s ( have 2) or V12s ( have 3),
> Jensen GTs ( have 3) ; the exhaust Manifolds are on the opposite side of
> the engine.
>
> Sherman D Taffel
> Columbia MD and Goldvein VA
> 65 TR4 CT 50054L
> ( per VTR the last known TR4 produced & shipped to USA)
>
>
> Sent via the Samsung Galaxy S10, an AT&T 5G Evolution capable smartphone
>
>
> Sent via the Samsung Galaxy S10, an AT&T 5G Evolution capable smartphone
>
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/albertrunyan@gmail.com
>
--000000000000d5c15605ac9da29e
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">We stopped selling this pump about 5 years ago.=C2=A0 Our =
current fuel pump is made in Italy and we do not have issues with them.<div=
>regards,</div><div>Albert</div><div>TRF</div></div><br><div class=3D"gmail=
_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Aug 10, 2020 at 11:43=
PM staffel <<a href=3D"mailto:staffel@comcast.net";>staffel@comcast.net<=
/a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0=
px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><=
div dir=3D"auto">
<div dir=3D"auto"><br></div><div dir=3D"auto"><div dir=3D"auto"><font face=
=3D"sans-serif">Several years ago on an evening=C2=A0 club drive in the Cat=
octin Mts of Maryland my TR4 developed running/ hesitation issues. Then it =
got dark & started to rain. Could not drive the car steady over 45mph. =
Typical fuel flow clogging issue symptoms. Fortunately we made it into Fred=
ericksburg and a Motel.</font></div><div dir=3D"auto"><font face=3D"sans-se=
rif"><br></font></div><div dir=3D"auto"><font face=3D"sans-serif">Next morn=
ing, still raining,=C2=A0 the issue was apparent: in the bottom of the Glas=
s fuel bowl- a pile of 'rust dust'.=C2=A0 Cleaned the bowl & nu=
rsed the car home 30 miles, but it kept dying. Fortunately a Jag club frien=
d came by and got his trailer & towed me home.</font></div><div dir=3D"=
auto"><font face=3D"sans-serif"><br></font></div><div dir=3D"auto"><font fa=
ce=3D"sans-serif">Further examination determined sediment also in the CD ca=
rbs fuel bowls. So much for the fuel pump 'screen' being 'effec=
tive'.</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></fo=
nt></div><div dir=3D"auto"><font face=3D"sans-serif">Also examination of th=
e fuel pump (original) revealed a weak diaphragm, so while working on the c=
arbs, ordered a new pump from TRF.=C2=A0</font></div><div dir=3D"auto"><fon=
t face=3D"sans-serif"><br></font></div><div dir=3D"auto"><font face=3D"sans=
-serif">A few months later got everything back together.=C2=A0 The engine s=
tarted right up & ran fine. But no matter how I tried to seal the threa=
ds on fuel feed of the original=C2=A0 curved pipe inlet 'nut' to th=
e new pump ( pipe dope, teflon tape, rtv) the leak wouldn't stop.=C2=A0=
</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></div><=
div dir=3D"auto"><font face=3D"sans-serif">Magnifying glass exam of the ori=
ginal Triumph=C2=A0 Male pipe 'nut' and the female threaded bore of=
the new TRF pump revealed a slight thread mismatch - Chinese machining. It=
was not Metric either.=C2=A0</font></div><div dir=3D"auto"><font face=3D"s=
ans-serif"><br></font></div><div dir=3D"auto"><font face=3D"sans-serif">So =
after talking with TRF, I decided to forget the mechanical pump and install=
an electric pump, ala=C2=A0Jaguar V12s & Jensen Healey / GTs (Lotus 90=
7).</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></di=
v><div dir=3D"auto"><font face=3D"sans-serif">Well, I installed a couple of=
=C2=A0 different new electric=C2=A0 pumps=C2=A0 adjacent to the mechanical =
pump.</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></=
div><div dir=3D"auto"><font face=3D"sans-serif">They would never 'self =
prime'.=C2=A0</font></div><div dir=3D"auto"><font face=3D"sans-serif"><=
br></font></div><div dir=3D"auto"><font face=3D"sans-serif">Now, returning =
to the project. I removed the mechanical pump, & DRAINED the tank of th=
e old fuel. It seems that the gravity feed when the tank is less than 1/2 f=
ull requires the elec pump to be very low ( like the original input height =
of the original pump, to receive fuel.=C2=A0</font></div><div dir=3D"auto">=
<font face=3D"sans-serif"><br></font></div><div dir=3D"auto"><font face=3D"=
sans-serif">So I am redetailing the frame (cleaning & new paint) and se=
curing the new fuel line, inline glass Filter & elec pump=C2=A0 right o=
n the frame. This allows the steel feed line from the tank ( after Dremel T=
ool cutting) to match the new location of the electric pump.</font></div><d=
iv dir=3D"auto"><font face=3D"sans-serif"><br></font></div><div dir=3D"auto=
"><font face=3D"sans-serif">Next will be modifying a new copper fuel line (=
semblance of originality) to meet the elec pump feed right behind & ad=
jacent to the Water pump. The original copper pipe mated to the back of the=
mechanical pump , ran up and forward along the engine at the cylinder head=
level to the front of the engine & then across to the carburetor feeds=
.</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></div>=
<div dir=3D"auto"><font face=3D"sans-serif">Finally hope this resolves the =
fuel delivery issue.</font></div><div dir=3D"auto"><font face=3D"sans-serif=
"><br></font></div><div dir=3D"auto"><font face=3D"sans-serif">I=C2=A0 want=
ed to share a warning about the TRF pump supplier manufacturing glitch. So =
others can not waste years getting their TRs back to Roadworthy status.</fo=
nt></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></div><div =
dir=3D"auto"><font face=3D"sans-serif">Obviously not going to drive a car w=
ith weeping fuel near a hot engine. At least on the TR4 & 6s, ( unlike =
Jaguar 6s ( have 2) or V12s ( have 3), Jensen GTs ( have 3) ; the exhaust M=
anifolds are on the opposite side of the engine.=C2=A0</font></div><div dir=
=3D"auto"><font face=3D"sans-serif"><br></font></div><div dir=3D"auto">Sher=
man D Taffel=C2=A0</div><div dir=3D"auto">Columbia MD and Goldvein VA=C2=A0=
</div><div dir=3D"auto">65 TR4 CT 50054L</div><div dir=3D"auto">( per VTR t=
he last known TR4 produced & shipped to USA)</div><div dir=3D"auto"><br=
></div><div dir=3D"auto"><br></div><div id=3D"gmail-m_513921397614640008com=
poser_signature" dir=3D"auto"><div style=3D"font-size:85%;color:rgb(87,87,8=
7)" dir=3D"auto">Sent via the Samsung Galaxy S10, an AT&T 5G Evolution =
capable smartphone</div></div><div dir=3D"auto"></div></div><div dir=3D"aut=
o"><br></div><div dir=3D"auto"><br></div><div id=3D"gmail-m_513921397614640=
008composer_signature" dir=3D"auto"><div style=3D"font-size:85%;color:rgb(8=
7,87,87)" dir=3D"auto">Sent via the Samsung Galaxy S10, an AT&T 5G Evol=
ution capable smartphone</div></div><div dir=3D"auto"><br></div></div>** <a=
href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triumphs@autox.t=
eam.net</a> **<br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferr=
er" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=C2=A0 <a h=
ref=3D"http://www.team.net/archive"; rel=3D"noreferrer" target=3D"_blank">ht=
tp://www.team.net/archive</a><br>
<br>
hs/albertrunyan@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://auto=
x.team.net/mailman/options/triumphs/albertrunyan@gmail.com</a><br>
</blockquote></div>
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