[Diy_efi] Need Help With Holley Pro-Jection
Samuel Gerardi
samger2 at hotmail.com
Thu Apr 24 16:15:06 GMT 2003
I got the pump to finally prime and got gas up to the main unit. I tried to
crank it over and it acted like it wanted to start, so I tried it again, and
once again it acted like it wanted to start. Then on the third attempt, I
got no juice whatsoever. Something killed the battery. It is a brand new
battery, I bought it just for this job. The same thing seemed to be
happening with the old battery so I just passed it off as a bad battery.
Can you think of anything? Thanks.
Sam
From: Shannen Durphey <shannen at grolen.com>
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>Subject: Re: [Diy_efi] Need Help With Holley Pro-Jection
>Date: Wed, 09 Apr 2003 01:24:49 -0400
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>My experience with Jeep CJ style + TBI + frame mounted pump showed that
>early Jeeps really should have some type of baffle installed around the
>suction line in the tank.
>
>The pump of the frame is typically not intended to suck fuel out of the
>tank. Instructions which say the EFI fuel filter should be installed
>between the tank and pump are just going to cause problems in the not so
>distant future as they make a tough job impossible for the pump. If a
>person feels they absolutely have to install a filter between the tank
>and pump, they should use an old carbureted type filter.
>
>Seems as though diagnosing no fuel to the TB should be a fairly
>straightforward process. Providing you have fuel in the tank, you can
>work back from the engine to the tank to determine where the problem
>occurs. At the very least, the pump should be able to draw fuel from an
>open can to pump it immediately back into that same can.
>
>Shannen
>
>Samuel Gerardi wrote:
> >
> > But would it work at all if the voltage polarity was reversed?
> >
> > Let me also add that the instructions state to mount the pump no higher
>than
> > the lowest point of the gas tank. That's impossible for me. I have an
> > aftermarket tank that the bottom comes near the bottom of my springs, so
> > after speaking to some other Jeepers, they suggested that it should work
> > o.k. if I mount it on the frame rail. Thanks.
> >
> > Sam
> >
> > >From: "Keith Kiberd" <kman460 at sympatico.ca>
> > >Reply-To: List for general do-it-yourself EFI talk
><diy_efi at diy-efi.org>
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> > >Subject: Re: [Diy_efi] Need Help With Holley Pro-Jection
> > >Date: Tue, 8 Apr 2003 23:13:45 -0400
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> > >
> > >The first thing that comes to mind is the voltage polarity to the pump
>is
> > >reversed.
> > >Just an idea.
> > >
> > >----- Original Message -----
> > >From: "Samuel Gerardi" <samger2 at hotmail.com>
> > >To: <diy_efi at diy-efi.org>
> > >Sent: Tuesday, April 08, 2003 10:55 PM
> > >Subject: [Diy_efi] Need Help With Holley Pro-Jection
> > >
> > >
> > > > Hello,
> > > >
> > > > I have purchased Holley Pro-Jection 502-20S for my 1978 Jeep CJ5,
>304
> > >V8.
> > > > It's all hooked up but won't turn over. The fuel pump can be heard
> > >priming,
> > > > but never seems to fully prime since no gas is getting to the front
>and
> > > > spraying from the injectors. Can you think of a reason it won't
>prime
> > >the
> > > > pump? Thanks.
> > > >
> > > > Sam
> > > >
> > > >
> > > >
> > > >
> > > >
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