[Diy_efi] pressure vs flow?

Tlsalt at aol.com Tlsalt at aol.com
Tue Feb 4 21:09:27 GMT 2003


Brian Michalk wrote, 

Would anyone happen to have any data for pressure vs flow for CIS injectors?

I have some Bosch KE CIS injectors, but any CIS injector data would be
helpful.

Hello Brian, 

Porsche 911 turbo CIS injectors

Opening pressure-30psi
System pressure- 90psi
Delivery rate- 160-240 cc/min

Delivery rate controlled by metering slits in the control plunger.
Height of control plunger determined by airflow Vs control pressure.
Control pressure manipulated by WUR, O2 frequency valve, etc.
No duty cycle limitations, just like a garden hose.

Are you looking for delivery rate Vs control pressure? 

Paul Saltwick

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