Re: [DMCForum] Fuel Pump Replacement

["Andrei Cular" <acular@xxxxxxxxxxxxxxx>]

Sorry dont have much time for the details now.  Yes I have done it.  Yes
it
is safe.  Yes it cost almost nothing to accomplish.

I will go into more detail when I get a few min.  We had our server crash
at
work friday and I have been working on recovering everything all
weekend...



Andrei




----- Original Message -----
From: "Walter Coe" <Whalt@xxxxxxx>
To: "DMCForum" <DMCForum@xxxxxxxxxxxxxxx>
Cc: <vegascop1@xxxxxxxx>
Sent: Saturday, March 22, 2003 10:09 PM
Subject: [DMCForum] Re: [DML] Fuel Pump Replacement


> > To answer your question Nick is the stock fuel pump basically sucks.
>
> Hi Ski,
>
> I agree whole heartedly about the fuel pump situation.  My beef about it
is
> that the coolant hoses heat the fuel too much causing cavitation in hot
> weather.  I intend to make a new fuel tank out of stainless steel, and
while
> I'm redesigning it, I want to eliminate the fuel pump boot as well as
make
> more room to insulate the coolant pipes.
>
> Ken Koncelik (of DeLorean Car Show fame) is the guy responsible for
making
> the new fuel pickup hoses, boots & covers.  He is also responsible for
50+
> other new DeLorean products sold by PJ Grady.  He makes the fuel pickup
hose
> out of a kind of material that is extremely resistant to fuel.
DMC/Texas
> went their own route and had some hoses made out of a cheaper material
that
> won't last as long.  They are selling them cheaper (around $70ish
bucks),
so
> PJ Grady came down on their price for the better hose.  Anyway, Ken made
> some fuel pump boots out of this better material, but quit because they
were
> too expensive to make.  He says that the regular kind of material will
only
> last 5 to 7 years MAXIMUM.  If you want to get more life from the boot
then
> don't keep your fuel tank topped off where the bottom of the boot will
be
> soaking.
>
> I could try to get one of Ken's better boots, but everything in and
round
> the fuel tank is bullshit.  So when I make the stainless steel tank I
want
> to find a way to mount the fuel pump to make a good seal and eliminate
this
> weak spot.
>
> When the right hand drive DeLoreans were produced, the plastic fuel
tanks
> were replaced with metal ones because some authority didn't trust the
new
> plastic to be as safe.  Well, as time has proven, the plastic tanks are
> still as good as new and the metal ones have rusted out.  And there is a
> another lesson to learn about the metal tanks: They mounted the same
kind
of
> fuel pump outside the tank with no adverse effects.  However, other
makes
of
> cars with similar Bosch fuel injection are careful to mount the fuel
pump
as
> low as possible.  These pumps are good at producing high pressure, but
they
> do not draw a good vacuum (or should I say, they suck at sucking.)  Some
> cars even use two pumps in series.  This makes me reluctant to want to
mount
> the fuel pump above the tank.
>
> Andrei Cular (a local friend of mine) mounted his fuel pump pretty high
and
> hasn't had any problems that I have heard.  I haven't seen this setup
yet,
> but sure want to.  He might could give you some suggestions.
>
> I'm not posting this to the DML because Dave Swingle & Knut Grimsrud
> precariously like to delete posts without notice.  If you would like to
> participate in uncensored real DeLorean discussions then check out the
> DMCForum.  The main page is at www.DMCForum.org, (not much content yet)
and
> the Yahoo discussion board can be found by clicking "Unmoderated
> Discussion".  I hope you will want to join & participate.
>
> Walt
>
>


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