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Scott,
=20
Thanks for the additional points =E2=80=93 I also failed to include the =
Facet pump on the summary. Agree, 25 gph pump flow does seem to be the =
top end target for multi-webers as well.
=20
Regards,
=20
Mark
=20
From: Scott Janzen [mailto:sjanzen@me.com]=20
Sent: Thursday, June 12, 2025 10:49 AM
To: Mark Cook
Cc: 'Friends of Triumph' Triumph; Jason Ostrowski; Bob Kramer; rocky =
spitfire4.com; Mike Harmuth; Jason Sukey; Erik Jacobsen
Subject: Re: [Fot] TR6 race car re-build - Fuel line questions
=20
nice summary. I forgot to mention I don=E2=80=99t have a fuel return =
line. Maybe that is pump-dependent - the Facet does not seem to have =
any issues running with limited flow if the float bowls are full.
On a 20-25 minute race, I use about 4 gallons of fuel. I know there are =
peak flows, but I don=E2=80=99t think you need a pump with a lot of flow =
capacity. The 25 gph/hour that I have seems more than enough. =20
=20
On Jun 12, 2025, at 10:44=E2=80=AFAM, Mark Cook <mecook@mindspring.com> =
wrote:
=20
Great responses, recommendations from all - very much appreciated. =
Thought I would summarize the key recommendations:
=20
1. Fuel Regulator - 1-4 psi (with 3 psi discharge) placed up front =
with meter for ease of tuning, etc.
2. Fuel Pump - also capable of 1 - 4 psi (consistent with Pierce =
Manifold=E2=80=99s recommendation).=20
3. Fuel Line =E2=80=93 hard line (3/8=E2=80=9D) front to back with =
-6AN braided PTFE to connect carbs, pump, regulator, and fuel cell.
4. Fuel Return line - after the regulator, back to the fuel cell =
with a .040" restrictor. This helps maintain much more consistent fuel =
pressure at idle VS wide open.
5. Fuel Cell Pickups =E2=80=93 either 2 duckfoot pickups, one in =
each back corner, or Holley HydraMat
<https://www.holley.com/products/fuel_systems/hydramat/> =
https://www.holley.com/products/fuel_systems/hydramat/
6. Fuel Safety addition - Revolution fuel pump controller - Pump =
only runs if there is a tach signal from the ignition. =20
<https://www.revolutionelectronics.com/Products/Fuel_Pump.html> =
https://www.revolutionelectronics.com/Products/Fuel_Pump.html
7. Brands - Holley seems to be the brand of choice, also mentioned =
- Carter (high volume/low pressure specifically for multi-Webers)=20
8. Weber Fuel Bowl Tip- When you shut off the car, shut off the =
fuel pump first, and let it run a couple minutes to drain down the =
[Weber] fuel bowls. Mitigates hot fuel in the bowls heated by exhaust =
manifold.
9. Fuel Cell Dipstick Tip =E2=80=93 dipstick marking - fill one =
gallon at a time and mark the dipstick at each level.
10. Fuel Line Spec Chart - =
<https://historicracinggroup.com/resources/Reference_Material/Canton/Fuel=
> =
https://historicracinggroup.com/resources/Reference_Material/Canton/Fuel =
Consumption and Flow Quick Ref by CM Filters.pdf
=20
Oh, don=E2=80=99t run out of gas while on the track!
=20
Thanks again to all that responded!
=20
Mark
=20
=20
=20
mailto:rkramer56@gmail.com]=20
Sent: Thursday, June 12, 2025 8:36 AM
To: rocky <http://spitfire4.com/> spitfire4.com
Cc: Jason Ostrowski; Mark Cook; Friends of Triumph Group Email
Subject: Re: [Fot] TR6 race car re-build - Fuel line questions
=20
Holley makes a pickup attachment called Hydramat that will suck fuel =
from anywhere it touches making the one pickup style fuel cells even =
better than adding a second pickup. We use it in the ChampCar. Before we =
added one we found that we would have fuel pickup issues with a couple =
of gallons of fuel in the cell. The strategy we use on our 15 gallon =
tank is to start full, run 2 hours, add 10 gallons at each stop and =
before the Hydramat we had drivers coming in early for a "miss", =
throwing off the whole plan. The only drawback is that you can =
completely run out of fuel. It'll miss and then stop pretty quickly!
=20
<http://www.holley.com/products/fuel_systems/hydramat/> =
www.holley.com/products/fuel_systems/hydramat/
=20
On Thu, Jun 12, 2025 at 2:12=E2=80=AFAM rocky <http://spitfire4.com/> =
wrote:
For years I just had the stock metal line in my full-race Spitfire, =
which ran under the floorboard. Eventually it got pinched. The system I =
installed was an ATL cell in the trunk, with a duckfoot pickup in each =
back corner, two Holley red fuel pumps leading to a T-fitting =E2=80=93 =
all in the trunk =E2=80=93 then a single line through the passenger =
compartment just under the door (as far from me as possible) to a =
regulator under the hood mounted on the firewall, then to the carbs. =
Regulator has a gauge installed where I can see it. I don=E2=80=99t =
really refer to it while driving (although I can), primarily I use it =
when setting fuel pressure to the carbs. For the Spitfire 2=C2=BD pounds =
of fuel pressure was wholly sufficient (the Holleys would deliver 7). =
For the TR6 maybe something else. Oh, and ALL lines braided since they =
were all vulnerable.=20
=20
I ordered my fuel cell direct from ATL and specified the two pickups. =
Roundy-round guys usually only have one, in the right-rear corner, =
because they only turn left. We go both ways. I also ordered the cell =
with a dipstick to know the fuel level. And then ?? =
<https://cdn.jsdelivr.net/gh/joypixels/emoji-assets@v7.0.0/png/64/1f606.p=
ng> discovered that while the cell had the place to put the dipstick =
in, the foam inside did not! I had to take the top off, pull the foam =
out, figure out where the hole needed to be and cut the hole in the =
foam. Then the first time I filled the cell, I filled it one gallon at a =
time and marked the dipstick. It=E2=80=99s worked great ever since. I =
also learned not to fill the cell full to the top because it would =
splash out of the overflow and corners got all excited that I was =
spilling gas. Filling it a gallon short got me through all races. For =
autocrossing (with the two pickups) 3 gallons worked fine.=20
=20
--Rocky Entriken
=20
fot-bounces@autox.team.net> On Behalf Of Jason Ostrowski via Fot
Sent: Wednesday, June 11, 2025 11:08 PM
fot@autox.team.net>
Subject: Re: [Fot] TR6 race car re-build - Fuel line questions
=20
Lots of questions there.=20
I=E2=80=99m not a TR6 guy but I=E2=80=99d like the fuel pressure =
regulator to be in the engine compartment. For Tuning and regulating =
purposes; close to where you are at when you=E2=80=99re watching the =
motor and gauges.
Jason Ostrowski
Friendly Ghost Racing=20
1969 Triumph GT6+ racecars
Sent from my iPhone
=20
On Jun 11, 2025, at 10:17 AM, Mark Cook via Fot < =
=EF=BB=BF
All,
=20
So, I have gutted and stripped the #55 =E2=80=9869 TR6 race car first =
purchased, having a proper roll cage installed and painted, and will be =
installing a newly built engine with triple Weber 45 DCOEs. Will be =
ordering some parts while cage is installed and body painted.
=20
Brings me to my questions. What size fuel lines =E2=80=93 =
5/16=E2=80=9D (-5) or 3/8=E2=80=9D (-6)? Also, thoughts on 100% steel =
braided PTFE, or combination of metal fuel line (front to back) with =
braided to connect to the fuel cell and Webers? Fuel pump, filter and =
pressure regulator will be in the trunk with the fuel cell. Return =
line? The 6 previously had fuel injection and a fuel return line. Not =
sure it is necessary for the Webers.
=20
Thanks!
=20
Mark Cook
=20
During Chuck Arnold=E2=80=99s ownership (pre-2018) =
Prior Owner 2018-2023 =
Now (coffee table stage) =
=
=
=20
=20
<image003.png>
=20
<image004.jpg>
=20
<image005.jpg>
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=20
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=20
Please consider supporting my MS150 Ride
=20
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=20
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple style=3D'overflow-wrap: break-word;-webkit-nbsp-mode: =
space;line-break:after-white-space'><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Scott,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Thanks for the additional points =E2=80=93 I also failed to include =
the Facet pump on the summary.=C2=A0 Agree, 25 gph pump flow does seem =
to be the top end target for multi-webers as =
well.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Regards,<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Mark<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
Scott Janzen [mailto:sjanzen@me.com] <br><b>Sent:</b> Thursday, June 12, =
2025 10:49 AM<br><b>To:</b> Mark Cook<br><b>Cc:</b> 'Friends of Triumph' =
Triumph; Jason Ostrowski; Bob Kramer; rocky spitfire4.com; Mike Harmuth; =
Jason Sukey; Erik Jacobsen<br><b>Subject:</b> Re: [Fot] TR6 race car =
re-build - Fuel line questions<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>nice =
summary. I forgot to mention I don=E2=80=99t have a fuel return =
line. Maybe that is pump-dependent - the Facet does not seem to =
have any issues running with limited flow if the float bowls are =
full.<o:p></o:p></p><div><p class=3DMsoNormal>On a 20-25 minute race, I =
use about 4 gallons of fuel. I know there are peak flows, but I =
don=E2=80=99t think you need a pump with a lot of flow capacity. =
The 25 gph/hour that I have seems more than enough. =
<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal>On Jun =
12, 2025, at 10:44=E2=80=AFAM, Mark Cook <mecook@mindspring.com> =
wrote:<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Great responses, recommendations from all - very much =
appreciated. Thought I would summarize the key =
recommendations:</span><o:p></o:p></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div style=3D'margin-left:.75in'><p =
class=3DMsoNormal style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>1.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Regulator - 1-4 psi (with 3 psi discharge) placed up front with =
meter for ease of tuning, etc.</span><o:p></o:p></p></div><div =
style=3D'margin-left:.75in'><p class=3DMsoNormal =
style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>2.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Pump - also capable of 1 - 4 psi (consistent with Pierce =
Manifold=E2=80=99s recommendation).<span =
class=3Dapple-converted-space> </span></span><o:p></o:p></p></div><d=
iv style=3D'margin-left:.75in'><p class=3DMsoNormal =
style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>3.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Line =E2=80=93 hard line (3/8=E2=80=9D) front to back with -6AN =
braided PTFE to connect carbs, pump, regulator, and fuel =
cell.</span><o:p></o:p></p></div><div style=3D'margin-left:.75in'><p =
class=3DMsoNormal style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>4.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Return line - after the regulator, back to the fuel cell with a =
.040" restrictor. This helps maintain much more consistent =
fuel pressure at idle VS wide open.</span><o:p></o:p></p></div><div =
style=3D'margin-left:.75in'><p class=3DMsoNormal =
style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>5.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Cell Pickups =E2=80=93 either 2 duckfoot pickups, one in each =
back corner, or Holley HydraMat</span><o:p></o:p></p></div><div =
style=3D'margin-left:.75in'><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><a =
href=3D"https://www.holley.com/products/fuel_systems/hydramat/";><span =
style=3D'color:purple'>https://www.holley.com/products/fuel_systems/hydra=
mat/</span></a></span><o:p></o:p></p></div><div =
style=3D'margin-left:.75in'><p class=3DMsoNormal =
style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>6.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Safety addition - Revolution fuel pump controller - Pump only =
runs if there is a tach signal from the ignition. =
</span><o:p></o:p></p></div><div style=3D'margin-left:.75in'><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><a =
href=3D"https://www.revolutionelectronics.com/Products/Fuel_Pump.html";><s=
pan =
style=3D'color:purple'>https://www.revolutionelectronics.com/Products/Fue=
l_Pump.html</span></a></span><o:p></o:p></p></div><div =
style=3D'margin-left:.75in'><p class=3DMsoNormal =
style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>7.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Brands - Holley seems to be the brand of choice, also mentioned - =
Carter (high volume/low pressure specifically for multi-Webers)<span =
class=3Dapple-converted-space> </span></span><o:p></o:p></p></div><d=
iv style=3D'margin-left:.75in'><p class=3DMsoNormal =
style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>8.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Weber Fuel Bowl Tip- When you shut off the car, shut off the fuel =
pump first, and let it run a couple minutes to drain down the [Weber] =
fuel bowls. Mitigates hot fuel in the bowls heated by exhaust =
manifold.</span><o:p></o:p></p></div><div style=3D'margin-left:.75in'><p =
class=3DMsoNormal style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>9.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <sp=
an class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Cell Dipstick Tip =E2=80=93 dipstick marking - fill one gallon =
at a time and mark the dipstick at each =
level.</span><o:p></o:p></p></div><div style=3D'margin-left:.75in'><p =
class=3DMsoNormal style=3D'text-indent:-.25in'><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>10.</span><span =
style=3D'font-size:7.0pt;color:#1F497D'> <span =
class=3Dapple-converted-space> </span></span><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Fuel Line Spec Chart -<span =
class=3Dapple-converted-space> </span><a =
href=3D"https://historicracinggroup.com/resources/Reference_Material/Cant=
on/Fuel"><span =
style=3D'color:purple'>https://historicracinggroup.com/resources/Referenc=
e_Material/Canton/Fuel</span></a><span =
class=3Dapple-converted-space> </span>Consumption and Flow Quick =
Ref by CM Filters.pdf</span><o:p></o:p></p></div><div><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Oh, don=E2=80=99t run out of gas while on the =
track!</span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Thanks again to all that =
responded!</span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Mark</span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'> </span><o:p></o:p></p></div><div><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span class=3Dapple-converted-space><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span=
></span><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Bob Kramer =
[<a href=3D"mailto:rkramer56@gmail.com";><span =
style=3D'color:purple'>mailto:rkramer56@gmail.com</span></a>]<span =
class=3Dapple-converted-space> </span><br><b>Sent:</b><span =
class=3Dapple-converted-space> </span>Thursday, June 12, 2025 8:36 =
AM<br><b>To:</b><span =
class=3Dapple-converted-space> </span>rocky<span =
class=3Dapple-converted-space> </span><a =
href=3D"http://spitfire4.com/";><span =
style=3D'color:purple'>spitfire4.com</span></a><br><b>Cc:</b><span =
class=3Dapple-converted-space> </span>Jason Ostrowski; Mark Cook; =
Friends of Triumph Group Email<br><b>Subject:</b><span =
class=3Dapple-converted-space> </span>Re: [Fot] TR6 race car =
re-build - Fuel line questions</span><o:p></o:p></p></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><div><p =
class=3DMsoNormal>Holley makes a pickup attachment called Hydramat that =
will suck fuel from anywhere it touches making the one pickup style fuel =
cells even better than adding a second pickup. We use it in the =
ChampCar. Before we added one we found that we would have fuel pickup =
issues with a couple of gallons of fuel in the cell. The strategy =
we use on our 15 gallon tank is to start full, run 2 hours, add 10 =
gallons at each stop and before the Hydramat we had drivers coming in =
early for a "miss", throwing off the whole plan. The =
only drawback is that you can completely run out of fuel. It'll miss and =
then stop pretty quickly!<o:p></o:p></p></div><div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal><a =
href=3D"http://www.holley.com/products/fuel_systems/hydramat/";><span =
style=3D'color:purple'>www.holley.com/products/fuel_systems/hydramat/</sp=
an></a><o:p></o:p></p></div></div></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><div><div><p =
class=3DMsoNormal>On Thu, Jun 12, 2025 at 2:12=E2=80=AFAM rocky<span =
class=3Dapple-converted-space> </span><a =
href=3D"http://spitfire4.com/";><span =
style=3D'color:purple'>spitfire4.com</span></a><span =
class=3Dapple-converted-space> </span>via Fot <<a =
href=3D"mailto:fot@autox.team.net";><span =
style=3D'color:purple'>fot@autox.team.net</span></a>> =
wrote:<o:p></o:p></p></div></div><blockquote =
style=3D'border:none;border-left:solid windowtext 1.0pt;padding:0in 0in =
0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt;border-color:currentcolor currentcolor currentcolor rgb(204, 204, =
204);border-image: none'><div><div><div><div><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'>For years I just had the stock metal line in =
my full-race Spitfire, which ran under the floorboard. Eventually it got =
pinched. The system I installed was an ATL cell in the trunk, with a =
duckfoot pickup in each back corner, two Holley red fuel pumps leading =
to a T-fitting =E2=80=93 all in the trunk =E2=80=93 then a single line =
through the passenger compartment just under the door (as far from me as =
possible) to a regulator under the hood mounted on the firewall, then to =
the carbs. Regulator has a gauge installed where I can see it. I =
don=E2=80=99t really refer to it while driving (although I can), =
primarily I use it when setting fuel pressure to the carbs. For the =
Spitfire 2=C2=BD pounds of fuel pressure was wholly sufficient (the =
Holleys would deliver 7). For the TR6 maybe something else. Oh, and ALL =
lines braided since they were all vulnerable.<span =
class=3Dapple-converted-space> </span></span><o:p></o:p></p></div><d=
iv><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'> </span><o:p></o:p></p></div><div><p =
class=3DMsoNormal><span style=3D'font-family:Aptos'>I ordered my fuel =
cell direct from ATL and specified the two pickups. Roundy-round guys =
usually only have one, in the right-rear corner, because they only turn =
left. We go both ways. I also ordered the cell with a dipstick to know =
the fuel level. And then<span =
class=3Dapple-converted-space> </span></span><img border=3D0 =
width=3D20 height=3D20 id=3D"m_4927723889417900244_x005f_x0000_i1025" =
src=3D"https://cdn.jsdelivr.net/gh/joypixels/emoji-assets@v7.0.0/png/64/1=
f606.png" alt=3D"😆"><span =
style=3D'font-family:Aptos'> discovered that while the cell had the =
place to put the dipstick in, the foam inside did not! I had to take the =
top off, pull the foam out, figure out where the hole needed to be and =
cut the hole in the foam. Then the first time I filled the cell, I =
filled it one gallon at a time and marked the dipstick. It=E2=80=99s =
worked great ever since. I also learned not to fill the cell full to the =
top because it would splash out of the overflow and corners got all =
excited that I was spilling gas. Filling it a gallon short got me =
through all races. For autocrossing (with the two pickups) 3 gallons =
worked fine.<span =
class=3Dapple-converted-space> </span></span><o:p></o:p></p></div><d=
iv><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'> </span><o:p></o:p></p></div><div><p =
class=3DMsoNormal><span style=3D'font-family:Aptos'>--Rocky =
Entriken</span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'> </span><o:p></o:p></p></div><div><div =
style=3D'border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0in =
0in 0in;border-color:currentcolor currentcolor;border-image: =
none'><div><p class=3DMsoNormal><b>From:</b><span =
class=3Dapple-converted-space> </span>Fot <<a =
href=3D"mailto:fot-bounces@autox.team.net"; target=3D"_blank"><span =
style=3D'color:purple'>fot-bounces@autox.team.net</span></a>><span =
class=3Dapple-converted-space> </span><b>On Behalf Of<span =
class=3Dapple-converted-space> </span></b>Jason Ostrowski via =
Fot<br><b>Sent:</b><span =
class=3Dapple-converted-space> </span>Wednesday, June 11, 2025 =
11:08 PM<br><b>To:</b><span =
class=3Dapple-converted-space> </span>Mark Cook <<a =
href=3D"mailto:mecook@mindspring.com"; target=3D"_blank"><span =
style=3D'color:purple'>mecook@mindspring.com</span></a>><br><b>Cc:</b>=
<span class=3Dapple-converted-space> </span>Friends of Triumph =
Group Email <<a href=3D"mailto:fot@autox.team.net"; =
target=3D"_blank"><span =
style=3D'color:purple'>fot@autox.team.net</span></a>><br><b>Subject:</=
b><span class=3Dapple-converted-space> </span>Re: [Fot] TR6 race =
car re-build - Fuel line =
questions<o:p></o:p></p></div></div></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><p =
class=3DMsoNormal>Lots of questions =
there. <o:p></o:p></p></div><div><div><p =
class=3DMsoNormal>I=E2=80=99m not a TR6 guy but I=E2=80=99d like the =
fuel pressure regulator to be in the engine compartment. For Tuning and =
regulating purposes; close to where you are at when you=E2=80=99re =
watching the motor and gauges.<o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal>Jason Ostrowski<o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal>Friendly Ghost =
Racing <o:p></o:p></p></div></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>1969 Triumph GT6+ =
racecars<o:p></o:p></p><div><div><p class=3DMsoNormal>Sent from my =
iPhone<o:p></o:p></p></div></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'> <o:p></o:p></p><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>On Jun 11, 2025, at 10:17 AM, Mark Cook =
via Fot <<a href=3D"mailto:fot@autox.team.net"; =
target=3D"_blank"><span =
style=3D'color:purple'>fot@autox.team.net</span></a>> =
wrote:<o:p></o:p></p></blockquote></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p =
class=3DMsoNormal><span =
style=3D'font-family:"Tahoma","sans-serif"'>=EF=BB=BF</span><o:p></o:p></=
p></div><div><p class=3DMsoNormal>All,<o:p></o:p></p></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><p =
class=3DMsoNormal>So, I have gutted and stripped the #55 =E2=80=9869 TR6 =
race car first purchased, having a proper roll cage installed and =
painted, and will be installing a newly built engine with triple Weber =
45 DCOEs. Will be ordering some parts while cage is installed and =
body painted.<o:p></o:p></p></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><p =
class=3DMsoNormal>Brings me to my questions. What size fuel =
lines =E2=80=93 5/16=E2=80=9D (-5) or 3/8=E2=80=9D (-6)? Also, =
thoughts on 100% steel braided PTFE, or combination of metal fuel line =
(front to back) with braided to connect to the fuel cell and =
Webers? Fuel pump, filter and pressure regulator will be in the =
trunk with the fuel cell. Return line? The 6 =
previously had fuel injection and a fuel return line. Not sure it =
is necessary for the Webers.<o:p></o:p></p></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><p =
class=3DMsoNormal>Thanks!<o:p></o:p></p></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><p =
class=3DMsoNormal>Mark Cook<o:p></o:p></p></div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div><div><p =
class=3DMsoNormal>During Chuck Arnold=E2=80=99s ownership =
(pre-2018) &nb=
sp; &nbs=
p; Prior Owner =
2018-2023 &nbs=
p;  =
; =
&=
nbsp; =
&=
nbsp; &n=
bsp; Now (coffee table =
stage) &=
nbsp; &n=
bsp; &nb=
sp; &nbs=
p;  =
; =
&=
nbsp; =
&=
nbsp; &n=
bsp; &nb=
sp; &nbs=
p;  =
; =
&=
nbsp; &n=
bsp; &nb=
sp; <span =
class=3Dapple-converted-space> </span><o:p></o:p></p></div><div><p =
class=3DMsoNormal> <span =
class=3Dapple-converted-space> </span><o:p></o:p></p></div><div><div=
><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'><image003.png></span><o:p></o:p></p></d=
iv></div><div><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'> </span><o:p></o:p></p></div><div>=
<div><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'><image004.jpg></span><o:p></o:p></p></d=
iv></div><div><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'> </span><o:p></o=
:p></p></div><div><div><p class=3DMsoNormal><span =
style=3D'font-family:Aptos'><image005.jpg></span><o:p></o:p></p></d=
iv></div><p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span =
style=3D'font-family:Aptos'>_____________________________________________=
__<br></span><a href=3D"mailto:fot@autox.team.net"; =
target=3D"_blank"><span =
style=3D'font-family:Aptos;color:purple'>fot@autox.team.net</span></a><sp=
an style=3D'font-family:Aptos'><br><br></span><a =
href=3D"http://www.fot-racing.com/"; target=3D"_blank"><span =
style=3D'font-family:Aptos;color:purple'>http://www.fot-racing.com</span>=
</a><span style=3D'font-family:Aptos'><br><br>Donate:<span =
class=3Dapple-converted-space> </span></span><a =
href=3D"http://www.team.net/donate.html"; target=3D"_blank"><span =
style=3D'font-family:Aptos;color:purple'>http://www.team.net/donate.html<=
/span></a><span style=3D'font-family:Aptos'><br>Archive:<span =
class=3Dapple-converted-space> </span></span><a =
href=3D"http://autox.team.net/archive"; target=3D"_blank"><span =
style=3D'font-family:Aptos;color:purple'>http://autox.team.net/archive</s=
pan></a><span class=3Dapple-converted-space><span =
style=3D'font-family:Aptos'> </span></span><a =
href=3D"http://www.team.net/pipermail/fot"; target=3D"_blank"><span =
style=3D'font-family:Aptos;color:purple'>http://www.team.net/pipermail/fo=
t</span></a><span =
style=3D'font-family:Aptos'><br>Unsubscribe/Manage:<span =
class=3Dapple-converted-space> </span></span><a =
href=3D"http://autox.team.net/mailman/options/fot/jason@multivintage.com"=
target=3D"_blank"><span =
style=3D'font-family:Aptos;color:purple'>http://autox.team.net/mailman/op=
tions/fot/jason@multivintage.com</span></a><o:p></o:p></p></div></blockqu=
ote></div></div></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
_____<br><a href=3D"mailto:fot@autox.team.net"; target=3D"_blank"><span =
style=3D'color:purple'>fot@autox.team.net</span></a><br><br><a =
href=3D"http://www.fot-racing.com/"; target=3D"_blank"><span =
style=3D'color:purple'>http://www.fot-racing.com</span></a><br><br>Donate=
:<span class=3Dapple-converted-space> </span><a =
href=3D"http://www.team.net/donate.html"; target=3D"_blank"><span =
style=3D'color:purple'>http://www.team.net/donate.html</span></a><br>Arch=
ive:<span class=3Dapple-converted-space> </span><a =
href=3D"http://autox.team.net/archive"; target=3D"_blank"><span =
style=3D'color:purple'>http://autox.team.net/archive</span></a><span =
class=3Dapple-converted-space> </span><a =
href=3D"http://www.team.net/pipermail/fotUnsubscribe/Manage"; =
target=3D"_blank"><span =
style=3D'color:purple'>http://www.team.net/pipermail/fot<br>Unsubscribe/M=
anage</span></a>:<span class=3Dapple-converted-space> </span><a =
href=3D"http://autox.team.net/mailman/options/fot/rkramer56@gmail.com"; =
target=3D"_blank"><span =
style=3D'color:purple'>http://autox.team.net/mailman/options/fot/rkramer5=
6@gmail.com</span></a><br><br><br><o:p></o:p></p></div></blockquote></div=
><div><div><p class=3DMsoNormal><br =
clear=3Dall><o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div></div><div><p =
class=3DMsoNormal><span class=3Dgmailsignatureprefix>--</span><span =
class=3Dapple-converted-space> </span><o:p></o:p></p></div><div><div=
><div><p =
class=3DMsoNormal><image002.png><o:p></o:p></p></div><div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal>Please consider supporting my MS150 =
Ride<o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal> <o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal><a =
href=3D"https://events.nationalmssociety.org/participant/590407"; =
target=3D"_blank"><span =
style=3D'color:purple'>https://events.nationalmssociety.org/participant/5=
90407</span></a><o:p></o:p></p></div></div></div></div></div></div><p =
class=3DMsoNormal><o:p> </o:p></p></div></div></body></html>
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