What is the correct fuel pressure specification?

1987 OLDSMOBILE DELTA 88
86,000 MILES
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BILLY3825
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I have 30 psi after the fuel pump before the filter and 30 psi at the test port on the engine after the pressure regulator. Do i need a pump or a regulator?
Dec 19, 2011 at 6:01 PM
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HMAC300
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41-47 psi is correct pressure if port fuel and 9-11 if tbi.
Dec 19, 2011 at 6:22 PM