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Old 07-24-2011, 05:55 AM
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Default fuel pump

Hi guys i have a gen 4 454 stock fuel pump what sould be my fuel pressure at wot ?
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Old 07-24-2011, 01:18 PM
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carb motor. 5 to 7 psi
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Old 07-24-2011, 03:06 PM
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yea...what he said.
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Old 07-24-2011, 04:54 PM
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and thats the same at idle
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Old 07-24-2011, 05:33 PM
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Usually about 5 at idle.


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Old 07-24-2011, 09:10 PM
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thanks for the input im only have 1lb at 4000 rpm,not good
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Old 07-24-2011, 10:33 PM
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time for new quick, she must be running lean as heck
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Old 07-25-2011, 06:37 AM
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i have the stock OEM pump i took off my 1990 454 MAG when i had to go to a bigger pump. worked fine when i pulled it. selling it pretty cheap and im in rochester so you would have it next day. pm me if your interested.
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Old 07-25-2011, 05:05 PM
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thanks gsxr for the offer i have two new ones coming.
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