return line to gas tank

David A. Cooley n5xmt at bellsouth.net
Tue Oct 20 09:17:49 GMT 1998


It's true PFI and it's sequential.
Systems run about 40-45PSI static.  Looks like a standard FP reg on the
pump assy, just in the tank instead of on the rail... they did it for the
safety factor of eliminating the return line.


At 10:21 PM 10/19/98 -0700, you wrote:
>that's interesting, are those TBI or real EFI ?
>what is the fuel pump pressure ? on second thought, it might be hard to
>mount this dude in my mgb tank. return to plan A.
>
>-----Original Message-----
>From: David A. Cooley [mailto:n5xmt at bellsouth.net]
>Sent: Monday, October 19, 1998 6:07 PM
>To: diy_efi at efi332.eng.ohio-state.edu
>Subject: Re: return line to gas tank
>
>
>If you look at the late model Chryslers, specifically the neons, they use
>an in-tank pump for the EFI with the fuel pressure reg. built into the pump
>assy.  No return line at all
>
>
>At 07:46 PM 10/19/98 -0400, you wrote:
>>No the canister systems are either built into the tank or of an
>arrangement they
>>won't fit an earlier tank...so I just live with the suden loss/power when
>under
>>hard acceleration....it's a reminder to fill up....;-(((.....Oh I know how
>the
>>Bosch vac reg fuel pressure thingy works....but I hear there is a SS
>driven pump
>>of quick enuff recovery to get away from that system, so just one fuel
>line is
>>required....
>>
>
>===========================================================
>           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
>     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
>       I am Pentium of Borg...division is futile...you will be approximated.
>===========================================================
> 
===========================================================
           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
       I am Pentium of Borg...division is futile...you will be approximated.
===========================================================



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