Help with 5.0L and electric fuel pump.

Frozen

Petty Officer 3rd Class
Joined
May 5, 2010
Messages
91
Just installed a electric fuel pump on a 1988 OMC 5.0L(GM) It starts and idles fine. But on the water if I give it more then 3/4 throttle it bogs down and drops RPM's and loses power. Am I not getting enough fuel from the electric fuel pump?
 
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