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Old Jan 11, 2005 | 06:46 PM
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Default FPSS Settings

What should it be set at?

I'm getting ready to install my kit in a few weekends and was curious.

the instructions say that its "pre-set at 35psi" but is adjustable in a range of 25-60psi.
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Old Jan 11, 2005 | 07:13 PM
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That's a good question. i left mine at the stock settings thinking ot myself "ill just make sure it works now, then later on tweak it to the right setting", but never got around to it.
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Old Jan 11, 2005 | 08:23 PM
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with a great fuel system, you could set it at 57 psi, and be fine.

since the ls1 is a deadhead system, and most people don't upgrade the pump, you will want it set a little below that.

Ryan
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Old Jan 11, 2005 | 10:06 PM
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I thought these were like 5-7psi or something like that?
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Old Jan 11, 2005 | 11:06 PM
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well i've already got a racetronix fuel pump, idles at 62 psi and drops to around 52 psi at 6500 RPMs
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Old Jan 12, 2005 | 05:01 PM
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ttt. anyone? is there not a clear cut answer?
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Old Jan 16, 2005 | 10:58 AM
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Originally Posted by jaypee1217
What should it be set at?

I'm getting ready to install my kit in a few weekends and was curious.

the instructions say that its "pre-set at 35psi" but is adjustable in a range of 25-60psi.

Where did you get the switch from? I'm looking for one but dont know which one to buy. Thanks
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Old Jan 17, 2005 | 07:18 PM
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Its a NX switch, and i got it from Texas Speed & Performance----->>> Sponsor List.
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Old Jan 17, 2005 | 11:43 PM
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Set mine at 55psi and am running 60/63psi. You don't want the pressure to go to low before shutting system down for safetys sake.
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