[DeTomaso] Anyone Using an In-Tank Fuel Pump for an EFI?
Ken Green
kenn_green at yahoo.com
Sat Oct 9 16:15:54 EDT 2021
I found this Holley part that might replace the fuel fill in the top of the tank? Requires a minimum 3 7/8 hole, I'm not sure that is too big, looks really close:
Holley 12-139 Holley Fuel Cell EFI Pump Module Assembly
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Holley 12-139 Holley Fuel Cell EFI Pump Module Assembly
Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pu...
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|
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On Saturday, October 9, 2021, 12:43:02 PM PDT, Jack DeRyke via DeTomaso <detomaso at server.detomasolist.com> wrote:
With an in-tank pump, it makes sense to use a new late model sender
with its own fuel-out line. Not only is the assembly brand new &
clean, but it's smaller overall, making it easier to get the sender
assembly w/pump back in the tank thru the stock opening. And if you
have plans for more than 450 carbureted bhp any time in the future, you
can replace the sender's small diameter fuel-out line for the next size
larger. The stock size simply won't supply enough fuel for that much
power except for short full throttle bursts. In an early tank, the
stock banjo fitting fuel-out line can be used for an EFI fuel return.
Some carbureted setups use a fuel return, too.
-----Original Message-----
From: Doug Braun <doug351c at gmail.com>
To: 'Detomaso' <detomaso at detomasolist.com>
Cc: 'Mike Drew' <mikeldrew at aol.com>; 'Ken Green' <kenn_green at yahoo.com>
Sent: Sat, Oct 9, 2021 10:20 am
Subject: Re: [DeTomaso] Anyone Using an In-Tank Fuel Pump for an EFI?
I chose to tap the gas tank's drain hole to a larger A 3/4-14NPT pipe
taper thread. The drain seat in the tank tapped very well due to the
metal not being very hard. I borrowed this idea from Jeff Kimball who
used this same tank conversion technique for his twin-turbo Pantera.
Next I installed a (3/4" NPT male x 1/2" NPT female) Pipe Bushing
(NAPA-Weatherhead #3220x12x8) into the newly tapped tank hole and then
a Brass (1/2' NPT male x 1/2" NPT female) Pipe Elbow onto that. This
gets you converted to fractional fittings, keeps the fuel plumbing
close to tank bottom for max ground clearance, and gives you a healthy
1/2" ID fuel feed capability.
Doug Braun
Blue 73L #5505
-----Original Message-----
From: DeTomaso On Behalf Of Ken Green via DeTomaso
Sent: Friday, October 8, 2021 9:53 PM
To: Mike Drew <[1]mikeldrew at aol.com>
Cc: Detomaso List <[2]detomaso at server.detomasolist.com>
Subject: Re: [DeTomaso] Anyone Using an In-Tank Fuel Pump for an EFI?
That seems the consensus, M22 1.5. When I search for a plug this size
I found a lot of then for various European cars for transmissions etc.
Seems a common drain plug.
On Friday, October 8, 2021, 03:46:50 PM PDT, Mike Drew via DeTomaso
<[3]detomaso at server.detomasolist.com> wrote:
Ken,
I believe its M22 pipe thread?
Mike
Sent from my iPad
> On Oct 9, 2021, at 01:52, Ken Green via DeTomaso
<[4]detomaso at server.detomasolist.com> wrote:
>
> i>>? PS,
> I found a banjo fitting and replaced the gas tank plug with it,
>but
> not not sure I can find the original plug to put it back in the
tank.
> Does anyone know the thread, or even have one laying around?
> Ken
>
> On Friday, October 8, 2021, 09:12:34 AM PDT, Ken Green
> <[5]kenn_green at yahoo.com> wrote:
> An in-tank pump seems the best approach with minimum exposed hoses
>and
> fittings. Has anyone done this in their Pantera?
> Thanks,
> Ken
> _______________________________________________
>
>
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4. mailto:detomaso at server.detomasolist.com
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-------------- next part --------------
I found this Holley part that might replace the fuel fill in the top of
the tank? Requires a minimum 3 7/8 hole, I'm not sure that is too big,
looks really close:
[1]Holley 12-139 Holley Fuel Cell EFI Pump Module Assembly
Holley 12-139 Holley Fuel Cell EFI Pump Module Assembly
Updating your racing fuel system to EFI is so simple! Holley is excited
to introduce our Holley Fuel Cell EFI Pu...
On Saturday, October 9, 2021, 12:43:02 PM PDT, Jack DeRyke via DeTomaso
<detomaso at server.detomasolist.com> wrote:
With an in-tank pump, it makes sense to use a new late model sender
with its own fuel-out line. Not only is the assembly brand new &
clean, but it's smaller overall, making it easier to get the sender
assembly w/pump back in the tank thru the stock opening. And if you
have plans for more than 450 carbureted bhp any time in the future,
you
can replace the sender's small diameter fuel-out line for the next
size
larger. The stock size simply won't supply enough fuel for that much
power except for short full throttle bursts. In an early tank, the
stock banjo fitting fuel-out line can be used for an EFI fuel return.
Some carbureted setups use a fuel return, too.
-----Original Message-----
From: Doug Braun <[2]doug351c at gmail.com>
To: 'Detomaso' <[3]detomaso at detomasolist.com>
Cc: 'Mike Drew' <[4]mikeldrew at aol.com>; 'Ken Green'
<[5]kenn_green at yahoo.com>
Sent: Sat, Oct 9, 2021 10:20 am
Subject: Re: [DeTomaso] Anyone Using an In-Tank Fuel Pump for an EFI?
I chose to tap the gas tank's drain hole to a larger A 3/4-14NPT pipe
taper thread. The drain seat in the tank tapped very well due to the
metal not being very hard. I borrowed this idea from Jeff Kimball
who
used this same tank conversion technique for his twin-turbo Pantera.
Next I installed a (3/4" NPT male x 1/2" NPT female) Pipe Bushing
(NAPA-Weatherhead #3220x12x8) into the newly tapped tank hole and
then
a Brass (1/2' NPT male x 1/2" NPT female) Pipe Elbow onto that.
This
gets you converted to fractional fittings, keeps the fuel plumbing
close to tank bottom for max ground clearance, and gives you a
healthy
1/2" ID fuel feed capability.
Doug Braun
Blue 73L #5505
-----Original Message-----
From: DeTomaso On Behalf Of Ken Green via DeTomaso
Sent: Friday, October 8, 2021 9:53 PM
To: Mike Drew <[1][6]mikeldrew at aol.com>
Cc: Detomaso List <[2][7]detomaso at server.detomasolist.com>
Subject: Re: [DeTomaso] Anyone Using an In-Tank Fuel Pump for an EFI?
That seems the consensus, M22 1.5. When I search for a plug this
size
I found a lot of then for various European cars for transmissions
etc.
Seems a common drain plug.
On Friday, October 8, 2021, 03:46:50 PM PDT, Mike Drew via
DeTomaso
<[3][8]detomaso at server.detomasolist.com> wrote:
Ken,
I believe its M22 pipe thread?
Mike
Sent from my iPad
> On Oct 9, 2021, at 01:52, Ken Green via DeTomaso
<[4][9]detomaso at server.detomasolist.com> wrote:
>
> i>>? PS,
> I found a banjo fitting and replaced the gas tank plug with
it,
>but
> not not sure I can find the original plug to put it back in the
tank.
> Does anyone know the thread, or even have one laying around?
> Ken
>
> On Friday, October 8, 2021, 09:12:34 AM PDT, Ken Green
> <[5][10]kenn_green at yahoo.com> wrote:
> An in-tank pump seems the best approach with minimum exposed hoses
>and
> fittings. Has anyone done this in their Pantera?
> Thanks,
> Ken
> _______________________________________________
>
>
> Detomaso Email List is not managed by POCA Posted emails must not
> exceed 1.5 Megabytes DeTomaso mailing list
> [6][11]DeTomaso at server.detomasolist.com
> [7][12]http://server.detomasolist.com/mailman/listinfo/detomaso
>
> To manage your subscription (change email address, unsubscribe,
etc.)
use the links above.
>
> Members who post to this list grant license to the list to forward
any message posted here to all past, current, or future members of
the
list. They also grant the list owner permission to maintain an
archive
or approve the archiving of list messages.
_______________________________________________
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References
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4. mailto:[20]detomaso at server.detomasolist.com
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