Twin turbine TBI pump (was Suction through a unpowered Tank Pump.)

[CSH-HQ]

I'm trying to figure out if this is a multi-motored/shafted, execusion, of 
have a twin turbine pump, I've never seen such an animal.  On one of the gm 
they used to little turbines blowing against each other but it didn't look 
like anything trick
Bruce

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>>I'm not sure of what your looking for but the twin turbine pumps were
>common
>>shaft and fixed, so I really dond't see the big deal.  Please clear up this
>>please.  The only ones I've had apart were gm tbi+ multi.
>>Bruce
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>Clear up what??  Glad to see you back on line and in good spirits Bruce!
>
>Walt.
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>>>>>
>>>>>(I'm looking for about 80 gallons per hour at maybe 3 or 5 psi from an
>>>>>in-tank pump.) (750 HP)
>>>>>
>>>>>Point is that 3 or 5 psi should be plenty to keep a vapor separator (and
>>>>>fuel accumulator) full and also to keep the HP pump well enough primed
>for
>>>>>it to stay free of any cavitation..
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>Greg, there are a number of aftermarket in-tank fuel pumps that will
>handle
>>>>such flow requirements.   One suitable candidate is the Holley 12-903
>(aka
>>>>the Walbro GSS346M).  This particular pump is of a gerotor design, so it
>is
>>>>relatively quiet.
>>>>
>>>>Any more progress on your project?
>>>
>>>Once I get the printing press to making those portraits of dead presidents
>>>in better quality, the project should pick up speed! :-)---but I think I
>>>may finally have found a pair of the twin plug heads for it!!
>>>
>>>Something tells me that shortening up the flame travel with that 4.685"
>>>bore might turn out to be a wonderful concept!
>>>
>>>I have a Walbro catalogue around, didn't realize they would flow that
>much.
>>>I shall check it again!
>>>
>>>Thanks--Greg
>>>>
>>>>Walt.
>>>
>>>
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