0.86 Turbine housing : 571hp with 1.06 housing

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  • Jamo
    Retired OG Mod
    • Mar 2004
    • 21750
    • Country: United Kingdom

    #46
    What size hotside?

    Comment

    • Been
      S2Forum Fanatic
      • Aug 2010
      • 76
      • Country: Netherlands

      #47
      .82
      '93 S4: GT35R 2.0bar 572hp

      Comment

      • Been
        S2Forum Fanatic
        • Aug 2010
        • 76
        • Country: Netherlands

        #48
        Small update: 2nd fuel pump installed.
        Hopefully we can get the GT35R at 2.5 bar
        Attached Files
        '93 S4: GT35R 2.0bar 572hp

        Comment

        • blackS2
          S2Forum Addict
          • Apr 2010
          • 455
          • Country: Germany

          #49
          Originally posted by Been
          Small update: 2nd fuel pump installed.
          Hopefully we can get the GT35R at 2.5 bar
          2,5 bar ? but not at rpm redline!?
          [__]=oooo=[__]

          Comment

          • Been
            S2Forum Fanatic
            • Aug 2010
            • 76
            • Country: Netherlands

            #50
            We will see...the engine is kinda "rev happy" with the scat cams...
            The only problem when tuning the car was the lack of fuel at 2 bar @572 ps.
            '93 S4: GT35R 2.0bar 572hp

            Comment

            • blackS2
              S2Forum Addict
              • Apr 2010
              • 455
              • Country: Germany

              #51
              Originally posted by Been
              We will see...the engine is kinda "rev happy" with the scat cams...
              The only problem when tuning the car was the lack of fuel at 2 bar @572 ps.
              ok, thats interesting ... we got some trouble with EGT above 1,8 bar at redline...

              ...(GT35 0.82) :-( 7a cams

              ...so the curve was 2,3 to 1.8 at redline ... 2 bar up to 6500... compression 8:1...

              Scat cams... you mean cat cams... what number?
              [__]=oooo=[__]

              Comment

              • Been
                S2Forum Fanatic
                • Aug 2010
                • 76
                • Country: Netherlands

                #52
                Yes Catcams, we use scat rods
                Will check the cam nr. for you...i remember we had the slightly adjust the head (clearance for the high lift), allthough the catcam site said: "direct drop in, no adjustments"...
                '93 S4: GT35R 2.0bar 572hp

                Comment

                • Been
                  S2Forum Fanatic
                  • Aug 2010
                  • 76
                  • Country: Netherlands

                  #53
                  BlackS2,

                  Catcams: 1002303

                  '93 S4: GT35R 2.0bar 572hp

                  Comment

                  • robo
                    S2Forum Fiend
                    • Aug 2004
                    • 2086
                    • Home: Poland Current: England

                    #54
                    Originally posted by Been
                    BlackS2,

                    Catcams: 1002303

                    With these cams did you have to remove some material from the cam cover in order to get them turning 360 deg?
                    sigpic_________
                    Rob

                    Comment

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

                      #55
                      Originally posted by Been
                      We will see...the engine is kinda "rev happy" with the scat cams...
                      The only problem when tuning the car was the lack of fuel at 2 bar @572 ps.
                      Let me guess, there was no relay on fuel pump?
                      http://tuner.ee - http://www.facebook.com/tuner.ee

                      Comment

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

                        #56
                        Your pump feed is two sizes too small.

                        Also i doubt 35r can hold 2.5bar for long with cams that have so much lift you need to mill the head and the valve cover.
                        Everything less than 2 bar is considered to be naturally aspirated

                        Comment

                        • Billman
                          S2Forum Freak
                          • Nov 2004
                          • 4129

                          #57
                          Originally posted by blackS2
                          ok, thats interesting ... we got some trouble with EGT above 1,8 bar at redline...

                          ...(GT35 0.82) :-( 7a cams

                          ...so the curve was 2,3 to 1.8 at redline ... 2 bar up to 6500... compression 8:1...

                          Scat cams... you mean cat cams... what number?
                          How high was the EGT above 1.8 bar at the redline?
                          Go Holset or Go RS4

                          Comment

                          • Audi_CQ
                            S2Forum Maniac
                            • Mar 2004
                            • 940
                            • Country: Norway

                            #58
                            Originally posted by repo
                            Your pump feed is two sizes too small.

                            Also i doubt 35r can hold 2.5bar for long with cams that have so much lift you need to mill the head and the valve cover.
                            Have been running with the same cams (before swithcing to mech cams) and no milling was required.

                            Comment

                            • blackS2
                              S2Forum Addict
                              • Apr 2010
                              • 455
                              • Country: Germany

                              #59
                              Originally posted by Billman
                              How high was the EGT above 1.8 bar at the redline?
                              sometimes 1000°C on "Autobahn" (5 Gear)
                              [__]=oooo=[__]

                              Comment

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

                                #60
                                Interesting, I have no problems with EGT even with GT30R and 1.9 bar to 7000...
                                What kind of exhaust manifold/exhaust?

                                What timing do you have at redline? Can you run more?
                                http://tuner.ee - http://www.facebook.com/tuner.ee

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