fuel pressure

Post by **NismoJDMS14** » Sat Mar 18, 2006 9:00 am

i have a 1989 Nissan 240sx with a Red top SR20DET in it and i have upgraded fuel pump and i just got a nismo Fuel Pressure Regualtor and i am wondering if anybody knows where to set the fuel pressure at cuz i have a gauge for it but i dont kno wat to set the fuel pressure at thanx and i am running 14 pounds of boost so if that helps wel thanx

Post by **steve s14** » Mon Mar 20, 2006 8:50 am

i would set it about 30psi.

Post by **teddy** » Mon Mar 20, 2006 2:06 pm

Unplug the vacuum line coming off of the fuel pressure regulator. Set the fuel pressure to 3 bar(43.5psi, this is the base redtop sr fuel pressure at idle), then reattach your vacuum hose. The pressure will drop about 6-7psi, and that's what it's supposed to do. Easy as that.

fuel pressure

fuel pressure

Re: fuel pressure (NismoJDMS14)

Re: fuel pressure (steve s14)

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