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Re: [TR] TR4 Fuel Delivery Issue & Mod

To: albert runyan <albertrunyan@gmail.com>
Subject: Re: [TR] TR4 Fuel Delivery Issue & Mod
From: Jim Henningsen <trguy75@gmail.com>
Date: Tue, 11 Aug 2020 14:27:20 -0400
Cc: triumphs@autox.team.net, staffel <staffel@comcast.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <CAOOgy8JmFL3QEDdFG8ectoShLpQibVKeqFJGuuNh1g1A2vffmw@mail.gmail.com>
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I concur with Albert.  I have a made in Italy one from TRF on my 6 and works=
 perfectly.  I carry a spare Delphi low pressure electric pump in boot as em=
ergency.  Real easy to hook up on driver inner fender and wire to coil for p=
ower.  They are inexpensive and readily available. =20
Cheers
Jim Henningsen


> On Aug 11, 2020, at 1:45 PM, albert runyan <albertrunyan@gmail.com> wrote:=

>=20
> =EF=BB=BF
> We stopped selling this pump about 5 years ago.  Our current fuel pump is m=
ade in Italy and we do not have issues with them.
> regards,
> Albert
> TRF
>=20
>> On Mon, Aug 10, 2020 at 11:43 PM staffel <staffel@comcast.net> wrote:
>>=20
>> Several years ago on an evening  club drive in the Catoctin Mts of Maryla=
nd my TR4 developed running/ hesitation issues. Then it got dark & started t=
o rain. Could not drive the car steady over 45mph. Typical fuel flow cloggin=
g issue symptoms. Fortunately we made it into Fredericksburg and a Motel.
>>=20
>> Next morning, still raining,  the issue was apparent: in the bottom of th=
e 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.
>>=20
>> Further examination determined sediment also in the CD carbs fuel bowls. S=
o much for the fuel pump 'screen' being 'effective'.
>>=20
>> Also examination of the fuel pump (original) revealed a weak diaphragm, s=
o while working on the carbs, ordered a new pump from TRF.=20
>>=20
>> A few months later got everything back together.  The engine started righ=
t up & ran fine. But no matter how I tried to seal the threads on fuel feed o=
f the original  curved pipe inlet 'nut' to the new pump ( pipe dope, teflon t=
ape, rtv) the leak wouldn't stop.=20
>>=20
>> Magnifying glass exam of the original Triumph  Male pipe 'nut' and the fe=
male threaded bore of the new TRF pump revealed a slight thread mismatch - C=
hinese machining. It was not Metric either.=20
>>=20
>> So after talking with TRF, I decided to forget the mechanical pump and in=
stall an electric pump, ala Jaguar V12s & Jensen Healey / GTs (Lotus 907).
>>=20
>> Well, I installed a couple of  different new electric  pumps  adjacent to=
 the mechanical pump.
>>=20
>> They would never 'self prime'.=20
>>=20
>> Now, returning to the project. I removed the mechanical pump, & DRAINED t=
he tank of the old fuel. It seems that the gravity feed when the tank is les=
s than 1/2 full requires the elec pump to be very low ( like the original in=
put height of the original pump, to receive fuel.=20
>>=20
>> 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.
>>=20
>> 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 o=
riginal copper pipe mated to the back of the mechanical pump , ran up and fo=
rward along the engine at the cylinder head level to the front of the engine=
 & then across to the carburetor feeds.
>>=20
>> Finally hope this resolves the fuel delivery issue.
>>=20
>> I  wanted to share a warning about the TRF pump supplier manufacturing gl=
itch. So others can not waste years getting their TRs back to Roadworthy sta=
tus.
>>=20
>> Obviously not going to drive a car with weeping fuel near a hot engine. A=
t least on the TR4 & 6s, ( unlike Jaguar 6s ( have 2) or V12s ( have 3), Jen=
sen GTs ( have 3) ; the exhaust Manifolds are on the opposite side of the en=
gine.=20
>>=20
>> Sherman D Taffel=20
>> Columbia MD and Goldvein VA=20
>> 65 TR4 CT 50054L
>> ( per VTR the last known TR4 produced & shipped to USA)
>>=20
>>=20
>> Sent via the Samsung Galaxy S10, an AT&T 5G Evolution capable smartphone
>>=20
>>=20
>> Sent via the Samsung Galaxy S10, an AT&T 5G Evolution capable smartphone
>>=20
>> ** triumphs@autox.team.net **
>>=20
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/arch=
ive
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/albert=
runyan@gmail.com
> ** triumphs@autox.team.net **
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archi=
ve
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/trguy75=
@gmail.com

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr">I concur with Albert. &nbs=
p;I have a made in Italy one from TRF on my 6 and works perfectly. &nbsp;I c=
arry a spare Delphi low pressure electric pump in boot as emergency. &nbsp;R=
eal easy to hook up on driver inner fender and wire to coil for power. &nbsp=
;They are inexpensive and readily available. &nbsp;</div><div dir=3D"ltr">Ch=
eers</div><div dir=3D"ltr">Jim Henningsen</div><div dir=3D"ltr"><br></div><d=
iv dir=3D"ltr"><br><blockquote type=3D"cite">On Aug 11, 2020, at 1:45 PM, al=
bert runyan &lt;albertrunyan@gmail.com&gt; wrote:<br><br></blockquote></div>=
<blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr">We stop=
ped selling this pump about 5 years ago.&nbsp; 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" cl=
ass=3D"gmail_attr">On Mon, Aug 10, 2020 at 11:43 PM staffel &lt;<a href=3D"m=
ailto:staffel@comcast.net">staffel@comcast.net</a>&gt; wrote:<br></div><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px 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&nbsp; club drive in the Catocti=
n Mts of Maryland my TR4 developed running/ hesitation issues. Then it got d=
ark &amp; started to rain. Could not drive the car steady over 45mph. Typica=
l fuel flow clogging issue symptoms. Fortunately we made it into Fredericksb=
urg and a Motel.</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br=
></font></div><div dir=3D"auto"><font face=3D"sans-serif">Next morning, stil=
l raining,&nbsp; the issue was apparent: in the bottom of the Glass fuel bow=
l- a pile of 'rust dust'.&nbsp; Cleaned the bowl &amp; nursed the car home 3=
0 miles, but it kept dying. Fortunately a Jag club friend came by and got hi=
s trailer &amp; towed me home.</font></div><div dir=3D"auto"><font face=3D"s=
ans-serif"><br></font></div><div dir=3D"auto"><font face=3D"sans-serif">Furt=
her examination determined sediment also in the CD carbs fuel bowls. So much=
 for the fuel pump 'screen' being 'effective'.</font></div><div dir=3D"auto"=
><font face=3D"sans-serif"><br></font></div><div dir=3D"auto"><font face=3D"=
sans-serif">Also examination of the fuel pump (original) revealed a weak dia=
phragm, so while working on the carbs, ordered a new pump from TRF.&nbsp;</f=
ont></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></div><div d=
ir=3D"auto"><font face=3D"sans-serif">A few months later got everything back=
 together.&nbsp; The engine started right up &amp; ran fine. But no matter h=
ow I tried to seal the threads on fuel feed of the original&nbsp; curved pip=
e inlet 'nut' to the new pump ( pipe dope, teflon tape, rtv) the leak wouldn=
't stop.&nbsp;</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 exa=
m of the original Triumph&nbsp; Male pipe 'nut' and the female threaded bore=
 of the new TRF pump revealed a slight thread mismatch - Chinese machining. I=
t was not Metric either.&nbsp;</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 a=
fter talking with TRF, I decided to forget the mechanical pump and install a=
n electric pump, ala&nbsp;Jaguar V12s &amp; Jensen Healey / GTs (Lotus 907).=
</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></div><d=
iv dir=3D"auto"><font face=3D"sans-serif">Well, I installed a couple of&nbsp=
; different new electric&nbsp; pumps&nbsp; adjacent to the mechanical pump.<=
/font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></div><di=
v dir=3D"auto"><font face=3D"sans-serif">They would never 'self prime'.&nbsp=
;</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 r=
emoved the mechanical pump, &amp; 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, t=
o receive fuel.&nbsp;</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 redet=
ailing the frame (cleaning &amp; new paint) and securing the new fuel line, i=
nline glass Filter &amp; elec pump&nbsp; 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.</font></div><div dir=3D"auto"><font face=3D"=
sans-serif"><br></font></div><div dir=3D"auto"><font face=3D"sans-serif">Nex=
t will be modifying a new copper fuel line ( semblance of originality) to me=
et the elec pump feed right behind &amp; adjacent to the Water pump. The ori=
ginal copper pipe mated to the back of the mechanical pump , ran up and forw=
ard along the engine at the cylinder head level to the front of the engine &=
amp; then across to the carburetor feeds.</font></div><div dir=3D"auto"><fon=
t 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 d=
ir=3D"auto"><font face=3D"sans-serif"><br></font></div><div dir=3D"auto"><fo=
nt face=3D"sans-serif">I&nbsp; wanted to share a warning about the TRF pump s=
upplier manufacturing glitch. So others can not waste years getting their TR=
s back to Roadworthy status.</font></div><div dir=3D"auto"><font face=3D"san=
s-serif"><br></font></div><div dir=3D"auto"><font face=3D"sans-serif">Obviou=
sly not going to drive a car with weeping fuel near a hot engine. At least o=
n the TR4 &amp; 6s, ( unlike Jaguar 6s ( have 2) or V12s ( have 3), Jensen G=
Ts ( have 3) ; the exhaust Manifolds are on the opposite side of the engine.=
&nbsp;</font></div><div dir=3D"auto"><font face=3D"sans-serif"><br></font></=
div><div dir=3D"auto">Sherman D Taffel&nbsp;</div><div dir=3D"auto">Columbia=
 MD and Goldvein VA&nbsp;</div><div dir=3D"auto">65 TR4 CT 50054L</div><div d=
ir=3D"auto">( per VTR the last known TR4 produced &amp; shipped to USA)</div=
><div dir=3D"auto"><br></div><div dir=3D"auto"><br></div><div id=3D"gmail-m_=
513921397614640008composer_signature" dir=3D"auto"><div style=3D"font-size:8=
5%;color:rgb(87,87,87)" dir=3D"auto">Sent via the Samsung Galaxy S10, an AT&=
amp;T 5G Evolution capable smartphone</div></div><div dir=3D"auto"></div></d=
iv><div dir=3D"auto"><br></div><div dir=3D"auto"><br></div><div id=3D"gmail-=
m_513921397614640008composer_signature" dir=3D"auto"><div style=3D"font-size=
:85%;color:rgb(87,87,87)" dir=3D"auto">Sent via the Samsung Galaxy S10, an A=
T&amp;T 5G Evolution capable smartphone</div></div><div dir=3D"auto"><br></d=
iv></div>** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">tri=
umphs@autox.team.net</a> **<br>
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t=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferre=
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team.net/mailman/options/triumphs/albertrunyan@gmail.com</a><br>
</blockquote></div>
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