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Old 11-17-2004, 09:24 AM   #2
Dark_5.0
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Join Date: Apr 2001
Location: Staging lane
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Default Re: Fuel pressure for NOS

When you say 33 psi is that at an idle or at wide open throttle.

If you are at wide open throttle your psi should be 38 psi or so.

It could be that the fuel solenoid is robbing too much fuel from your main line.

I would go ahead and drop a 255lph pump before you break something.
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