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Fuel pump?

Old Jul 7, 2020 | 09:29 PM
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Default Fuel pump?

Currently have a 340 Holley with 72lb injectors on a 5.3. Installing a GEN2 PT7675 CEA in the next few weeks.
Plan on using 93 octane only. What fuel pump do I need?
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Old Jul 7, 2020 | 09:34 PM
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How much horsepower do you plan to make?

I don't see why that pump you have now can't provide enough fuel and pressure for those technically small fuel injectors.
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Old Jul 8, 2020 | 06:00 AM
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600-650whp
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Old Jul 8, 2020 | 08:10 AM
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I am running twin 340’s at that power level
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Old Jul 8, 2020 | 09:06 AM
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Originally Posted by terravast4
I am running twin 340’s at that power level
What injectors?
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Old Jul 8, 2020 | 12:46 PM
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72 lb
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Old Jul 8, 2020 | 05:44 PM
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You think one 450 pump would be enough?
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Old Jul 8, 2020 | 06:51 PM
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Have you checked out that 525 helcat pump in the fuel section?
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Old Jul 9, 2020 | 02:24 PM
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I made more on a single 450, using fuel lines smaller than -6, and with e85. 600whp using gas should be no problem.
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Old Jul 9, 2020 | 06:15 PM
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Originally Posted by beaner
I made more on a single 450, using fuel lines smaller than -6, and with e85. 600whp using gas should be no problem.
Good to know, should be installing turbo and everything with it next week.
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