fuel pump flow/pressure

dexter302

Registered User
another question for ya guys..

i searched google and found that pump pressure is about 37-38 psi, but it didnt list flow,, does anyone know what stock flow rate is??
also, does the fuel pressure rise under boost to compensate or is it steady psi?
if it does is it controlled by the regulator with ecm signal or boost reference?


Thanks again guys.
 
1990 MVMA Specs pg. 6 has flow @ 110LPH...
 

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Fuel pressure is boost referenced. There is a vacuum line that runs from the regulator to the return plenum. Fuel pressure should rise 1lb per 1 lb of boost. To check static fuel pressure the vacuum line has to be disconnected from the regulator.
 
thanks for the excellent info, this is gunn amaje the swap much easier, and work better now knowing some more technical info..
thanks guys
 
Fuel pressure is boost referenced. There is a vacuum line that runs from the regulator to the return plenum. Fuel pressure should rise 1lb per 1 lb of boost. To check static fuel pressure the vacuum line has to be disconnected from the regulator.

With a fully charged battery you can also test the static pressure with the engine off, key on by grounding this terminal of the EEC test port.

fuel%20pump%20test.gif


David
 
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