johnnyddn Posted June 30, 2008 Share Posted June 30, 2008 I got rid of the stock fuel rail and I'm relocating the stock fuel pressure regulator. My questions is which is the feed and which is the return? There is a fitting on the side which is straight and a fitting that comes out of the bottom which has a 90 degree bend in it. The way i'm running the fuel lines is: Fuel Pump --> Fuel Filter --> Front of fuel rail --> Injectors --> back of fuel rail --> FPR--> Return to fuel tank I've tried hooking the lines up both ways on the FPR and it the car seemed to run fine both ways so it got me confused. Quote Link to comment Share on other sites More sharing options...
X64v Posted July 2, 2008 Share Posted July 2, 2008 Side fitting = In from rail Bottom, curved fitting = Out to tank Quote Link to comment Share on other sites More sharing options...
Challenger Posted August 6, 2008 Share Posted August 6, 2008 So is the order he described correct? Quote Link to comment Share on other sites More sharing options...
Administrators RTz Posted August 6, 2008 Administrators Share Posted August 6, 2008 So is the order he described correct? Yup. Quote Link to comment Share on other sites More sharing options...
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