[DeTomaso] Fuel tank ventilation - fuel spill
Jo De Tomaso
detomjo at gmail.com
Sun Mar 6 16:26:14 EST 2022
Hello Hartwig,
in my experience with cars that do not have the charcoal canister, the vent
hose first goes up. Higher than the fuel tank, sometimes as high as the
roof of the car. And then come back down to a safe place if fuel happens to
come out. Mostly behind the rear wheels.
Greetings from Belgium,
Jochen
Op zo 6 mrt. 2022 om 22:14 schreef HARTWIG ASSHAUER via DeTomaso <
detomaso at server.detomasolist.com>:
> Hi Mike,
> Yes, my tank is wrapped in fibreglass. The car is from 1971 (VIN 1571).
> When I bought the car it had the canister installed but there was no
> vent hose connected to it and I removed theA canister. The tank vent is
> connected to a simple rubber tube that goes straight in front of the
> left aftA wheel. From the beginning I had noticed that the first
> quarter (fuel gauge) empties quite quickly. I always thought that this
> is due to the ItalienA non-precision instruments installed but it seems
> that my car is equipped with a fuel jettisonA system. Should I go back
> to the canister setup or is there a smarter way?
> Cheers
> Hartwig
> On Sun, Mar 6, 2022 at 5:23 PM Mike Drew <[1]mikeldrew at aol.com> wrote:
>
> Hartwig,
> The vent hose originally ran across the engine bay beneath the rear
> window, into a charcoal canister.A Another hose ran from that
> canister to the engine, although at the moment I canat quite
> remember what the scheme was. Was the engine also vented to the
> canister? Or was the canister providing vacuum that drew fumes from
> the tank, through the canister and into the engine, as modern cars
> do?
> In any case, if you disconnect the vent hose from the canister and
> instead just point it at the ground, in certain rare circumstances,
> when the tank is completely filled, it can actually siphon the
> engine tire contents onto the ground! (Iave only heard of that
> happening once).
> My car had an aluminum 1971 tank in it and used to dump fuel all the
> time. I discovered that the top of the tank where the vent is
> attached was very thin, and it was distorted by the attaching
> rivets, preventing a proper seal. As the vent is below the top of
> the tank (which is stupid), it is submerged when the tank is
> completely full. I know you have a 1971 carais it early enough to
> have an aluminum tank also? (They are wrapped in fiberglass,
> ostensibly to prevent leaks).
> Mike
> Sent from my iPad
> > On Mar 6, 2022, at 07:41, HARTWIG ASSHAUER via DeTomaso
> <[2]detomaso at server.detomasolist.com> wrote:
> >
> > i>>?A A Hi fromA Toulouse (France),
> >A A I noticed for quite some time that there is often a
> significant fuel
> >A A smell in the garage after having driven my Pantera. After some
> recent
> >A A investigation I found that the underside of the car was
> partially wet
> >A A from fuel that was releasedA from the fuel tank venting hose.
> That does
> >A A not look normal, right? Does the fuel tank venting have some
> device
> >A A installed that prevents liquid fuel leaving the tank?
> >A A Cheers
> >A A Hartwig
> >
> >A A The information in this e-mail is confidential. The contents
> may not be
> >A A disclosed or used by anyone other than the addressee. Access
> to this
> >A A e-mail by anyone else is unauthorised.
> >A A If you are not the intended recipient, please notify Airbus
> immediately
> >A A and delete this e-mail.
> >A A Airbus cannot accept any responsibility for the accuracy or
> >A A completeness of this e-mail as it has been sent over public
> networks.
> >A A If you have any concerns over the content of this message or
> its
> >A A Accuracy or Integrity, please contact Airbus immediately.
> >A A All outgoing e-mails from Airbus are checked using regularly
> updated
> >A A virus scanning software but you should take whatever measures
> you deem
> >A A to be appropriate to ensure that this message and any
> attachments are
> >A A virus free.
> > _______________________________________________
> >
> >
> > Detomaso Email List is not managed by POCA
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> disclosed or used by anyone other than the addressee. Access to this
> e-mail by anyone else is unauthorised.
> If you are not the intended recipient, please notify Airbus immediately
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> Airbus cannot accept any responsibility for the accuracy or
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> If you have any concerns over the content of this message or its
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> to be appropriate to ensure that this message and any attachments are
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>
> References
>
> 1. mailto:mikeldrew at aol.com
> 2. mailto:detomaso at server.detomasolist.com
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>
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-------------- next part --------------
Hello Hartwig,
in my experience with cars that do not have the charcoal canister, the
vent hose first goes up. Higher than the fuel tank, sometimes as high
as the roof of the car. And then come back down to a safe place if fuel
happens to come out. Mostly behind the rear wheels.
Greetings from Belgium,
Jochen
Op zo 6 mrt. 2022 om 22:14 schreef HARTWIG ASSHAUER via DeTomaso
<[1]detomaso at server.detomasolist.com>:
A A Hi Mike,
A A Yes, my tank is wrapped in fibreglass. The car is from 1971
(VIN 1571).
A A When I bought the car it had the canister installed but there
was no
A A vent hose connected to it and I removed theA canister. The tank
vent is
A A connected to a simple rubber tube that goes straight in front
of the
A A left aftA wheel. From the beginning I had noticed that the
first
A A quarter (fuel gauge) empties quite quickly. I always thought
that this
A A is due to the ItalienA non-precision instruments installed but
it seems
A A that my car is equipped with a fuel jettisonA system. Should I
go back
A A to the canister setup or is there a smarter way?
A A Cheers
A A Hartwig
A A On Sun, Mar 6, 2022 at 5:23 PM Mike Drew
<[1][2]mikeldrew at aol.com> wrote:
A A A Hartwig,
A A A The vent hose originally ran across the engine bay beneath
the rear
A A A window, into a charcoal canister.AA Another hose ran from
that
A A A canister to the engine, although at the moment I canat quite
A A A remember what the scheme was. Was the engine also vented to
the
A A A canister? Or was the canister providing vacuum that drew
fumes from
A A A the tank, through the canister and into the engine, as
modern cars
A A A do?
A A A In any case, if you disconnect the vent hose from the
canister and
A A A instead just point it at the ground, in certain rare
circumstances,
A A A when the tank is completely filled, it can actually siphon
the
A A A engine tire contents onto the ground! (Iave only heard of
that
A A A happening once).
A A A My car had an aluminum 1971 tank in it and used to dump fuel
all the
A A A time. I discovered that the top of the tank where the vent
is
A A A attached was very thin, and it was distorted by the
attaching
A A A rivets, preventing a proper seal. As the vent is below the
top of
A A A the tank (which is stupid), it is submerged when the tank is
A A A completely full. I know you have a 1971 carais it early
enough to
A A A have an aluminum tank also? (They are wrapped in fiberglass,
A A A ostensibly to prevent leaks).
A A A Mike
A A A Sent from my iPad
A A A > On Mar 6, 2022, at 07:41, HARTWIG ASSHAUER via DeTomaso
A A A <[2][3]detomaso at server.detomasolist.com> wrote:
A A A >
A A A > i>>?AA A Hi fromA Toulouse (France),
A A A >AA A I noticed for quite some time that there is often a
A A A significant fuel
A A A >AA A smell in the garage after having driven my Pantera.
After some
A A A recent
A A A >AA A investigation I found that the underside of the car
was
A A A partially wet
A A A >AA A from fuel that was releasedA from the fuel tank
venting hose.
A A A That does
A A A >AA A not look normal, right? Does the fuel tank venting
have some
A A A device
A A A >AA A installed that prevents liquid fuel leaving the tank?
A A A >AA A Cheers
A A A >AA A Hartwig
A A A >
A A A >AA A The information in this e-mail is confidential. The
contents
A A A may not be
A A A >AA A disclosed or used by anyone other than the addressee.
Access
A A A to this
A A A >AA A e-mail by anyone else is unauthorised.
A A A >AA A If you are not the intended recipient, please notify
Airbus
A A A immediately
A A A >AA A and delete this e-mail.
A A A >AA A Airbus cannot accept any responsibility for the
accuracy or
A A A >AA A completeness of this e-mail as it has been sent over
public
A A A networks.
A A A >AA A If you have any concerns over the content of this
message or
A A A its
A A A >AA A Accuracy or Integrity, please contact Airbus
immediately.
A A A >AA A All outgoing e-mails from Airbus are checked using
regularly
A A A updated
A A A >AA A virus scanning software but you should take whatever
measures
A A A you deem
A A A >AA A to be appropriate to ensure that this message and any
A A A attachments are
A A A >AA A virus free.
A A A > _______________________________________________
A A A >
A A A >
A A A > Detomaso Email List is not managed by POCA
A A A > Posted emails must not exceed 1.5 Megabytes
A A A > DeTomaso mailing list
A A A > [3][4]DeTomaso at server.detomasolist.com
A A A >
[4][5]http://server.detomasolist.com/mailman/listinfo/detomaso
A A A >
A A A > To manage your subscription (change email address,
unsubscribe,
A A A etc.) use the links above.
A A A >
A A A > Members who post to this list grant license to the list to
forward
A A A any message posted here to all past, current, or future
members of
A A A the list. They also grant the list owner permission to
maintain an
A A A archive or approve the archiving of list messages.
A A The information in this e-mail is confidential. The contents
may not be
A A disclosed or used by anyone other than the addressee. Access to
this
A A e-mail by anyone else is unauthorised.
A A If you are not the intended recipient, please notify Airbus
immediately
A A and delete this e-mail.
A A Airbus cannot accept any responsibility for the accuracy or
A A completeness of this e-mail as it has been sent over public
networks.
A A If you have any concerns over the content of this message or
its
A A Accuracy or Integrity, please contact Airbus immediately.
A A All outgoing e-mails from Airbus are checked using regularly
updated
A A virus scanning software but you should take whatever measures
you deem
A A to be appropriate to ensure that this message and any
attachments are
A A virus free.
References
A A 1. mailto:[6]mikeldrew at aol.com
A A 2. mailto:[7]detomaso at server.detomasolist.com
A A 3. mailto:[8]DeTomaso at server.detomasolist.com
A A 4. [9]http://server.detomasolist.com/mailman/listinfo/detomaso
_______________________________________________
Detomaso Email List is not managed by POCA
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