[Diy_efi] GM Fuel Pump / Tank Options

[J M]

That would be plenty thick enough.  

For the fitting mcmaster part number 9580K35.  Could
probably find a similar item at any TSC, Lowes, home
Depot, local hardware store with a decent selection of
plumbing supplies.

Couple other options pn 2808K45	 or 2808K46 barbed
fittings made of polyethylene.

All the plastic tanks I've seen inside were just black
like the outside.  Just from early/mid 90's caprices,
and a '84 dodge van.

My guess would be some variation of "Teflon."  Some of
the newer fuel hoses use it as a layer to help keep
gasoline fumes in for lower emissions.  Usually a
viton core, steel or nylon braid, teflon, then an
outer rubber jacket.

Don't remember what model plymouth you were working
on.  If it has the spare tire well in the middle of
the trunk floor... Maybe just take the spare tire well
out alltogether, put in a flat load floor, then get a
caprice/impala gas tank.  The filler neck is in the
middle behind the license plate.  Would probably need
to add a little filler neck tunnel at the back of the
trunk.  But you'd be able to delete the gas door on
the side of the car.

I do have some pictures of the caprice tank's sending
unit opening, no measurements though.  Again 3.5 or so
inch opening sounds about right maybe the camaro
sending unit would drop right in.  Or a little more
work and you could put the camaro pump on the caprice
sending unit.  Just trying to make more work for you,
haha.

Jason

checkout: http://buckeyebullet2.blogspot.com/


--- Clair Davis <clair.davis at charter.net> wrote:

> Jason,
> I've done a LOT of searching without much luck,
> either.  I believe you're
> right that there are tanks out there with large
> openings as well, I remember
> looking at some for the little baffle structures
> inside long before I found
> this tank.  Now to try to find what those tanks
> were...
> 
> The tank material is at least 1/8" thick, probably
> closer to 1/4" or so.  It
> appears to be two layers, a black outer layer, and a
> light gray or white
> inner layer.  Not sure what that means in respect to
> its ability to be
> plastic welded.  I like the idea of adding a brass
> fitting... is that also a
> McMaster item?  To be honest, I can't think of a
> brass fitting I've seen
> that was at least 1" ID - the size of the GM fill
> pipe hose stub that's
> still on the tank.  Finding the spot on the tank
> that will let that happen
> is another thing.  I'll need to hang the tank in
> place and see where it
> falls under the existing fuel filler tube hole in
> the trunk floor.
> 
> I took a couple photos of the tanks in question, and
> I'll try to upload them
> to my web site shortly.  That way I can add a link
> to see what the situation
> is.
> 
> Thanks for the reply and alternatives!
> 
> Clair
> 
> 
> 


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