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LS3 Fuel Pressure?

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Old 02-05-2013, 07:43 PM
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Question LS3 Fuel Pressure?
I am running the fuel lines in my 55 Chevy for my new LS3 crate engine 430hp. What should I set the fuel pressure at on the regulator?
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Old 02-05-2013, 08:06 PM
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The LS3's in 08+ vettes run 58-60psi. I assume the F-bodies are the same.
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Old 02-06-2013, 02:00 PM
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Chevrolet performance recommends a Fuel pump capable of 58PSI for their E-Rod LS3 430HP engine. WKMCD is correct and you should set your pressure between 58-60 psi.
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