Suction through a unpowered Tank Pump.

[CSH-HQ]

It might pull some for a little while.  
Doing it once means when doing the efi swap.  Doing part by part, can lead 
to no good, ie, lean at WOT due to fuel system, trying to draw thru a non 
powered pump.
Bruce


>Hello Bruce
>That's what I am trying to do!  The 86 suburban already has a return line 
>for the mechanical fuel pump. The chassis fuel lines are in two sections 
>front and rear they meet  around the transfer case. they are interconnected 
>with rubber fuel line. This is the factory location for the fuel injection 
>fuel filter. So my plan was to replace the rear section of fuel lines from 
>a 90 suburban, replace the fuel tank also a 90 suburban, run the pump 
>wiring  and interconnect the front and rear lines. so the only double work 
>would be at the interconnection.
>
>But the big question was could the mechanical pump pull fuel through the 
>in-tank pump?
>
>David
>
>
>:
>>Try Ron Gregory, he maybe lurking  here, or at the syty at syty.org list
>>I'd still perfer just to do it right once.  Changing from all suction to
>>high pressure lines, and with the wiring, I'm too lazy to make a project out
>>being undr it 2x when one will do.
>>Bruce
>> >I would like to do the fuel tank change, and install the new in-tank TPI
>> >Camaro  pump. The engine driven pump is only 3 months old, and the
>> >un-powered operation  would only be for a few months.
>> >
>> >Any good places on the web to buy pumps????
>> >
>> >David
>> >
>