I think you'll find thats not a genuine Ford tank, that sounds just like
the Fiesta centre ones.
Jim
On 01/04/2012 10:08, jin wrote:
ive got a gen ford EFI tank on my 2+2 right now and the swirl pot in
that is a shallow saucepan looking affair, its about 1.5" high and
approx 6" round roughly located in the front / left corner of the
tank, there is a 16mm pipe coming out from it to the outside of the
tank which is the outlet and a smaller 8mm pipe going back into it.
there are a couple of small holes around the peripheral of the pot
base to presumably allow fuel to enter it
i did take some pictures when i fitted it to the car
its a monster too, only just fits the underside
On Apr 1, 9:50 am, TonyV<[email protected]> wrote:
That's a good £300 or so more than I'm prepared to pay for one, so it
looks like I'm out, too.
I guess that baffles would only be in place to do the same job as the
swirlpot, so shouldn't be necessary.
Regarding the swirlpot, I think that (as ever!) there were some good
pictures on Jim's website, however I couldn't locate them with a brief
search.
IIRC, the basic design is a spiral comprising about 1.5 to 2 turns,
maybe 5 or 6 inches tall and with the outer diameter about the same,
leaving 3 or 4 inches of free space in the middle.
Fuel enters the spiral by moving round the spiral shape.
The fuel outlet is taken from the centre of the spiral, and the fuel
return pipe leads back into the same space.
The idea being that whichever direction the tank is accelerated in,
fuel from the centre is pressed against the inside of the spiral,
rather than further out towards the outside of the tank.
The original Ford items are moulded in plastic and bonded to the
bottom of the tank.
They also incorporate an internal filter, although I wouldn't bother
with this; if it becomes clogged it means you have to take the tank
out and dismantle it. Just use an external filter on the fuel line.
It would be fairly easy to make one from a piece of thin, flat metal
sheet curved into a spiral and welded to the bottom of the tank. Tack
welds would do, as long as there's also a bead of sealant around the
base and pipes to prevent fuel escaping.
Fiesta Centre swirl pots just look like a cheap metal bowl (like an
isopon tin) about 6 inches across and 2 inches high, with a big hole
in one side to allow fuel into the bowl. The lack of height means
that fuel slops over the top, and the big hole in the side lets fuel
straight out in that direction when cornering. They're absolutely
useless, hardly better than having no swirlpot at all.
One other consideration is the diameter of the fuel pipes
themselves.
On my tank, the fuel outlet pipe is huge - maybe 13mm, which matches
the diameter of the fuel pump inlet.
However, when I fitted the extra swirlpot under the bonnet, I just
used a reducing pipe to drop this down to 8mm, which is plenty to keep
up with the rate of fuel usage.
TonyV.
On Mar 30, 11:38 am, Derek Clews<[email protected]> wrote:
Dear All,
I have had a visit to the fabricators and it seems the suggestion is
to go for aluminium in an adjusted hand fabricated design (I can give
more details if wanted) that approximates the shape of the original
and therefore the volume. The first tank price would be £5-600 and
after that there would be cutting patterns so once the first one is
made and fitted the patterns could be confirmed or adjusted and then
subsequent ones would be a little cheaper. I confess to being a
little disappointed that they are so expensive, but I appreciate the
costs of hand building. Are people still interested? I am not sure
myself at that cost.
Another option would be to ask Eddie what cost for a glassfibre tank.
A question came up about baffles in the tank. I have an after-market
tank and it is unbaffled. Was the original baffled or not?
Another was about the swirl pot design. Basically, they can fabricate
one but did not claim any knowledge of design. So what is the best
design?
Regards,
Derek- Hide quoted text -
- Show quoted text -
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