Albert/ repo/ engine builders. fuel system, help!

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  • speeding-g60
    S2Forum Extremist
    • Aug 2008
    • 1186
    • Country: United States

    #46
    you should be alright.... its just that with the -6AN fpr, that will be the point of the restriction, the o-ring -6AN fitting. you can run a -16AN line to it, but it will still run what can go thru the -6AN adapter fitting.

    i am going to run mine ( same Fuelab -6AN FPR ) with twin 044's feeding the rail with -10AN.... i run 1600cc injectors for that chassis, with E85. i think the -6AN return should work fine.

    my rabbit runs the A-1000 via -8AN all the way from cell to rail. then -6AN return. i run it 4BAR static, boost-referenced ( +1 psi fuel for each +1 psi boost) @ 36psi in 4th. and the return seems to work good.

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    • lind4hl
      S2Forum Fiend
      • Jul 2008
      • 2465
      • Country: Sweden

      #47
      so far i know, that an an 16 cant flow through an an6 hole


      i will change the fittings for 8-an,

      do you know the ratio of the fuellab fpr? with boost i mean, 1:1 or what is it?

      ( 1:1 i mean 1 bar boost = 1bar fuelpressure extra)

      One thing i've learned we are way behind the Scandinavians!

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      • speeding-g60
        S2Forum Extremist
        • Aug 2008
        • 1186
        • Country: United States

        #48
        yes it is 1:1, pound for pound. 1psi for 1psi....

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        • lind4hl
          S2Forum Fiend
          • Jul 2008
          • 2465
          • Country: Sweden

          #49
          great!

          One thing i've learned we are way behind the Scandinavians!

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          • repo
            S2Forum Maniac
            • Dec 2004
            • 893
            • Country: Finland

            #50
            You are exaggerating with the line from the pump to the rail. Size 8 will do for all of You. Even with e85. Trust me.

            The old blue spaceframe S2 has 806hp with Shell Vpower, and it has an6 line from twin 044's to the original AAN rail. Works fine.
            Everything less than 2 bar is considered to be naturally aspirated

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            • lind4hl
              S2Forum Fiend
              • Jul 2008
              • 2465
              • Country: Sweden

              #51
              ok. but since the outlet has an10 i will go with that, if i knock mt head into the wall and want more bhp, i dont need to change it. thanks for the info though! ( can you om me what turbo that will suit me well for 650engine horsepower? i want fast responce, i can pm you my engine details also )

              One thing i've learned we are way behind the Scandinavians!

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              • repo
                S2Forum Maniac
                • Dec 2004
                • 893
                • Country: Finland

                #52
                A stg5 4367 would suit You just perfect.
                Everything less than 2 bar is considered to be naturally aspirated

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                • Thuppu
                  S2Forum Freak
                  • Sep 2010
                  • 4115
                  • Country: Finland

                  #53
                  What do you guys think of this idea?


                  Audi UrS4 Avant 2.5 20vt - twincharged - Project
                  Audi 80q B4 Sedan 2.2 20vt - Daily user
                  BMW 320d Touring e91 M-Sport - Daily user
                  BMW 740iA e38 - Project

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                  • quattro
                    S2Forum Maniac
                    • Dec 2004
                    • 768
                    • Home: Wales Current: England

                    #54
                    Good luck trying to mount that in side the tank!
                    Probably the longet S2 project in history EVER!

                    Comment

                    • Thuppu
                      S2Forum Freak
                      • Sep 2010
                      • 4115
                      • Country: Finland

                      #55
                      Yeah well, that could be a problem. But, the tank diameter can be the same as the stock pumps basket, so you can get it inside the tank. Only the fastenings/mountings is the difficult part.

                      But how does the system look in theory?

                      Audi UrS4 Avant 2.5 20vt - twincharged - Project
                      Audi 80q B4 Sedan 2.2 20vt - Daily user
                      BMW 320d Touring e91 M-Sport - Daily user
                      BMW 740iA e38 - Project

                      Comment

                      • prj
                        S2Forum Zealot
                        • Mar 2010
                        • 6308
                        • Country: Estonia

                        #56
                        Why complicate things when a single 044 will work for you?
                        http://tuner.ee - http://www.facebook.com/tuner.ee

                        Comment

                        • Thuppu
                          S2Forum Freak
                          • Sep 2010
                          • 4115
                          • Country: Finland

                          #57
                          Well, I like the fuel fumes, and it's so funny to work with bare hands in the tank, especially if it's half full with fuel.

                          Audi UrS4 Avant 2.5 20vt - twincharged - Project
                          Audi 80q B4 Sedan 2.2 20vt - Daily user
                          BMW 320d Touring e91 M-Sport - Daily user
                          BMW 740iA e38 - Project

                          Comment

                          • prj
                            S2Forum Zealot
                            • Mar 2010
                            • 6308
                            • Country: Estonia

                            #58
                            Originally posted by Thuppu
                            Well, I like the fuel fumes, and it's so funny to work with bare hands in the tank, especially if it's half full with fuel.
                            http://tuner.ee - http://www.facebook.com/tuner.ee

                            Comment

                            • gedu
                              S2Forum Addict
                              • Feb 2007
                              • 295

                              #59
                              Well. I got fuel starvation on track even with my bone stock 100q 2.8i avant automatic on some corners. Yes, those corners did have elevation change also, and yes, I didn't have that much fuel in tank. We'll see what needs to be done to my UrS, next week it's going to be on track
                              All quattro products have been dermatologically tested, and are safe for daily use.

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