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Fuel Pressure Safety Switch

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Old 06-26-2003, 08:33 AM
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Default Fuel Pressure Safety Switch
What should the stock fuel pressure be on a 98 LS1? I now have a Walbro 340, what is it normally with that? What do I set the FPSS on my NX kit to so I feel safe about using it? I don't know what is considered lean on these motors fuel pressure wise.

thanks,
Rick
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Old 06-26-2003, 04:11 PM
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Default Re: Fuel Pressure Safety Switch
anyone?
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Old 06-27-2003, 12:10 PM
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Default Re: Fuel Pressure Safety Switch
NX FPSS is set to 35 PSI, with walbro pump the preassure should be about 60 psi

anyone wants to correct me
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Old 06-27-2003, 01:56 PM
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Default Re: Fuel Pressure Safety Switch
58-60psi is the pressure of the ls1. i have no idea what to set the fpss to.
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