What should my fuel pressure be at wied open throttle
1991 Ford Bronco

What should my fuel pressure be at wied open throttle

(1991 Ford Bronco)
i checked my fuel pressure today due to it stumbling at high engine speeds (2500 and beyond) it was about 25 psi after turning the key on and off 3 times started it up and let it idle it was 30-32 psi at wot it is about 25-28psi btw i have a 5.0 ho out of a mustang 4x4 e4od a/c power steering timing is set at 12deg btdc new plugs wires cap rotor button all of the fuel system intake etc. is from the original truck motor
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