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Go Back   SR20 Forum > Main Forums > SR20DE Technical Corner



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Old 09-21-2004, 05:43 AM   #1 (permalink)
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question obaut fuel pressure

I have a nx 2000 and i need the fuel pressure to increase to 60 - 70 psi.
Original the car has a 20 - 30 psi.
Does anybody knows how I can increase the pressure?
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Old 09-21-2004, 10:57 AM   #2 (permalink)
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nismo fuel pressure regulator
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Old 09-21-2004, 11:24 AM   #3 (permalink)
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Quote:
Originally Posted by smaelen
I have a nx 2000 and i need the fuel pressure to increase to 60 - 70 psi.
Original the car has a 20 - 30 psi.
Does anybody knows how I can increase the pressure?
sounds to me like you have something wrong with your car if the fuel pressure is that low.

the fpr could be bad, or the fuel pump
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Old 09-21-2004, 02:17 PM   #4 (permalink)
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I agree with Ryan. I wouldn't just try to crank up the pressure. I would check your fuel filter, fuel pump, current regulator, etc. before just puting on the Nismo AFPR.
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Old 09-21-2004, 08:10 PM   #5 (permalink)
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Quote:
Originally Posted by smaelen
I have a nx 2000 and i need the fuel pressure to increase to 60 - 70 psi.
Why? Also your base pressure with vacuum off should be 43-45psi, 37-40 psi with vacuum connected. Second answer would be an adjustbale FPR.
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Old 09-21-2004, 08:51 PM   #6 (permalink)
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But if he's at 20-30 psi now there is something wrong. Can't just cover that up by trying to cram more fuel in by using an adjustable FPR
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Old 09-21-2004, 09:24 PM   #7 (permalink)
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Originally Posted by Tomcat5678
But if he's at 20-30 psi now there is something wrong. Can't just cover that up by trying to cram more fuel in by using an adjustable FPR
Thats why I mentioned where it should be so he would know hes way off.
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Old 09-21-2004, 09:31 PM   #8 (permalink)
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Sorry, just the way you said "Second answer would be an adjustable FPR" didn't want him to think that was the only solution. My bad.
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Old 09-22-2004, 05:38 AM   #9 (permalink)
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thank you fellows. We thougt that 20 - 30psi was to low but my dealer telss me that its allright. we are going to put an fpr on the line that increase the pressure to 70 psi
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Old 09-22-2004, 11:29 PM   #10 (permalink)
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Quote:
Originally Posted by smaelen
thank you fellows. We thougt that 20 - 30psi was to low but my dealer telss me that its allright. we are going to put an fpr on the line that increase the pressure to 70 psi
Your dealer is wrong.
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