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-   -   Stock fuel pressure? (https://www.offshoreonly.com/forums/general-boating-discussion/162857-stock-fuel-pressure.html)

jhoward 07-08-2007 09:17 AM

Stock fuel pressure?
 
What is the stock setting for a 454 mag efi GEN V? I have a 454 mag,with 502 injection, with 500 efi cam, and gil exhaust and it runs so rich I can't keep plugs in it?

Back4More 07-08-2007 09:43 AM

As per Merc Service Manual #16...

"With the engine running and the regulator vacuum line disconnected, fuel psi at the pressure test connection should be 34-38psi. If the pressure is too low, poor engine performance can result."


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