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Stock fuel pressure?

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Old 07-08-2007, 10:17 AM
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Question 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?
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Old 07-08-2007, 10:43 AM
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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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