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

[Shannen Durphey]

Walter Sherwin wrote:
> 
> >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
> >
> 
> Nope, the 12-903 is kinda like an oil pump in a SBC.  Nothing fancy.  Single
> motor, single input shaft, one gerotor eccentric pumping cell.   I'm not
> familiar with the twin turbine pumps you reference.
> 
> Take care of yourself, and all the best!
> 
> Walt.
SBC oil pump is a gear type.  I've seen gerotors in Ford cars.
Shannen