what should stock fuel pressure be?

Discuss the RB20, RB25 and RB26 series engines.
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madcowvert
Posts: 1112
Joined: Thu Jan 05, 2006 12:36 pm

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ok guy i was looking around and have seen many diffrent numbers for fuel pressure. 43lbs, 3 bar, 3.5 bar, 60lbs and 45lbs ect.. what should i be at?


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Cjmartz2k
Posts: 1845
Joined: Sat May 19, 2007 1:39 pm
Car: Hunting for a '89 GTR now
Location: Okinawa, Japan

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3 bar is what mine is set to right now.
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USMCgetsome
Posts: 2030
Joined: Wed Apr 14, 2004 7:38 pm
Car: OWN S13.5 RB25DET/2003 G35
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43psi with the fuel pressure regulator vaccum supply line disconnected. After it is reconnected it will adjust it's self.
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madcowvert
Posts: 1112
Joined: Thu Jan 05, 2006 12:36 pm

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thanks for the info i didn't know i needed to diconnect the vacume supply...

thanks guys.
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