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Nitrous FPSS Question

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Old 03-17-2008, 11:09 PM   #1
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Default Nitrous FPSS Question

I'm trying to get all the fittings and safety switches that i need before finishing my install. I know from my searching that there is some mixed reviews on wether to use a FPSS or not, I'm choosing to use one. So the questions i have are this: what size FPSS should i get, i have looked at some and im assuming 25min to 50max would work for my application. Are there any FPSS' that you guys recommend for a 97 C5 stock fuel system with a 125 shot of nitrous? The FPSS im looking at is on summit part #NOS-15685NOS Once i get a FPSS at what pressure do most of you guys set yours too? I know FPSS have a 1/8" NPT connection so will this fitting from summit work: part # EAR-100201ERL, its a pressure gauge adapter with 4 an input/output with a 1/8" NPT side tap. I plan on using a HP tuner and a friend of mine to retard the timing and get the nitrous tuned in. Thanks for the input guys.

Should the FPSS be normally open or closed?

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Old 03-18-2008, 08:23 AM   #2
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anybody help with these questions?
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Old 03-18-2008, 09:13 AM   #3
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Those parts will work....but here is a another option.

http://www.nitrousoutlet.com/catalog...roduct_id=2553

this gives you a 28 to 65 psi range which is better suited to the LS1's normal operating range
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Old 03-18-2008, 12:43 PM   #4
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The HSW one I have is set to 35psi.

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