Fuel pressure and fuel cut

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Sr20S13Det
Posts: 104
Joined: Tue Apr 14, 2009 9:09 am
Car: 1991 240SX Redtop SR, 1989 240SX Parts Car, 2000 Ford Ranger (DD)

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Stock Fuel pressure and when is the fuel cut at what boost?

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DrifterProdigy85
Posts: 1817
Joined: Sat Jul 02, 2005 7:42 pm
Car: 1989 Nissan 240sx (Zenki Onevia)

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Stock fuel pressure is sopposed to be 43psi w/o vacuum to the FPR. When using a Walbro, it raises fuel pressure to over 50psi so you should have an Adjustable FPR if you get a Walbro.
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