Don,
The Mazda pump will stop pumping if any air gets to the rotor. I had to keep
the head above the pump at all times.

Can you put a valve in the outlet line, and measure the pressure as the flow
goes to zero? That will give us a curve to compare with mine with the Mazda
pump.

Bill Schertz
KIS Cruiser #4045

I will leave my setup in place and run any other test that the group may

come up with. Bill if you still have  you engine pump test still in
 > place it may be good to run some more test on the standard Mazda pump to
see if it is effected by the loss of  floaded head.
 >
 > Regards Don- 

Don,
I am not clear on a point here. Can you not put a valve in the outlet line, and measure the pressure
as the flow goes to zero? Seems simple enough.

Paul Lamar
 
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