[Diy_efi] Need Help With Holley Pro-Jection

Samuel Gerardi samger2 at hotmail.com
Wed Apr 9 14:16:50 GMT 2003


Thanks very much for the advice, I will make sure the polarity isn't 
reversed.

Sam


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>Subject: Re: [Diy_efi] Need Help With Holley Pro-Jection
>Date: Wed, 9 Apr 2003 02:09:33 EDT
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>In a message dated 4/8/03 11:43:09 PM Central Daylight Time,
>samger2 at hotmail.com writes:
>
>
> > 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
> >
> >
> >
>
>Polarity reversed on the pump (DC motor) would cause the pump to run
>backwards, thus pumping into the tank. I had an old analog Pro-jection
>installed on my '82 CJ-5 for 4 years. I also had a 21-gal aftermarket fuel
>tank (required spacers to lower the skid-plate 4", ie. no more hardcore
>trails). But I never had a problem with fuel delivery with the pump mounted
>to the frame just forward of the rear "hump" over the rear axle. I'm not 
>sure
>what pump you have, but the small, slender, black pump supplied with the 
>old
>2bbl Pro-ject was CRAP. Expect to replace it soon if you are using that 
>one.
>Good luck with it.
>
>Beau
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