return line to gas tank

[Jon]

Hmmmm....A little behind in my reading I guess....
Jon
-----Original Message-----
From: Jon <Galadar at worldnet.att.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Sunday, October 25, 1998 1:22 PM
Subject: Re: return line to gas tank


>Gene,
>    I was in a local Junkyard the  other day, and I saw a possible solution
>to your fuel pickup problem. There was a VW Jetta(as I recall) on it's side
>(tranny removal) and I was looking at the fuel pump setup on it. It was
>similar to a Ford setup with a low pressure pump in the tank going to an
>external high pressure pump a few feet away. Between them was a small
>"reservour." That way, even if the first pump fails to pick up for a second
>or two, the higher pressure pump still has fuel available. The "reserviour"
>MAY have been a filter, but it looked AWFULLY big to me - are there square
>shaped filters out there? Anyways, hope this helps.
>Jon
>
>-----Original Message-----
>From: mrvette <mrvette at bellsouth.net>
>To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>Date: Thursday, October 22, 1998 7:28 AM
>Subject: Re: return line to gas tank
>
>
>>Hate to say so, Shannen, but really    no Chevy stove bolt sixes,   maybe
>One
>>225 slant six,  but no chevys.....sorry about that....:-)))
>>
>>
>>Im sure you think it ws vapor lock, you were seeing,  my only question is
>that
>>how in hell at ~40 psi DPFI line pressure are you going to boil gasoline
>off
>>into vapor, and not log since boil off the coolent at ~16 lbs rad cap
>>pressure?   ture gas is more volitile,  but under the circumstances it
just
>>seems strange....need a chemist someone to compare tables to
see...assuming
>an
>>equal ambient temp for each liguid, just the presure in it's 'vessel'
being
>>differant....
>>
>>considering the mechanical  ifficulties in modifying the Vette tank for
>fuel
>>slosh problems,  if I can't get an electronic control system to get rid of
>the
>>return line,  I'll just have to live with it,   I'd have to cut and reweld
>the
>>tank,  and find out a workable system to boot, that would be trial and
>error
>>aomost by necessity....I'll leave that one to GM/someone....besides it's
my
>>lo-fuel warning...:-)))    GENE
>>--
>>
>>
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>