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400 and 500 hp difference?

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  • #16
    For 500 HP you need at least the following:


    -SQ or better exhaust manifold........ok np, i will make a custom one
    -at least K27/29 turbo.......anyway i needed something bigger
    -BIG injectors........ok
    -BIG exhaust system......have 80 mm inner diameter now.should be enough
    -GOOD rods.........ok
    -Less compression ratio (machined pistons).....cant trust turkish machinery shops ,will get a set of ross with rings.will also use nos.ross is experienced with nos.nos requires special rings to protect pistons from nos-shock.ross knows this stuff.
    -Head porting and polishing.......i dont have flow bench cant do serious porting but will do the polishing bymyself
    -Bigger intercooler........ok
    -good remapping..........its mihneas profession
    -good gas.....95 octane in best condition this sux but nothing i can do

    If you change to a SQ manifold you will need a custom downpipe......no i dont cause i will make a custom exhaust.

    You will also need custom intake system........i dont understand this part.if you mean air filter and parts np.

    You will also need custom oil and coolant lines........ok np

    If you change the rods, you will change to head studs, change bearings, get the crank balanced, get the flywheel lightened, get a new clutch............everything is ok except crankbalancing and flywheel,again no trust to turkish mechanics

    If you get a bigger intercooler, you will probably need a custom crossmember, a wagner style inlet manifold, more custom hoses............dunno the intake manifold but all others are ok np.


    You will need a maf........i dont have any idea about where i can get one?which one should i get etc..


    cant do all these stuff tomorrow but i am planning to do them in 3-4 months.
    Quattro

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    • #17
      Originally posted by timucin
      For 500 HP you need at least the following:


      -SQ or better exhaust manifold........ok np, i will make a custom one
      -at least K27/29 turbo.......anyway i needed something bigger
      -BIG injectors........ok
      -BIG exhaust system......have 80 mm inner diameter now.should be enough
      -GOOD rods.........ok
      -Less compression ratio (machined pistons).....cant trust turkish machinery shops ,will get a set of ross with rings.will also use nos.ross is experienced with nos.nos requires special rings to protect pistons from nos-shock.ross knows this stuff.
      -Head porting and polishing.......i dont have flow bench cant do serious porting but will do the polishing bymyself
      -Bigger intercooler........ok
      -good remapping..........its mihneas profession
      -good gas.....95 octane in best condition this sux but nothing i can do

      If you change to a SQ manifold you will need a custom downpipe......no i dont cause i will make a custom exhaust.

      You will also need custom intake system........i dont understand this part.if you mean air filter and parts np.

      You will also need custom oil and coolant lines........ok np

      If you change the rods, you will change to head studs, change bearings, get the crank balanced, get the flywheel lightened, get a new clutch............everything is ok except crankbalancing and flywheel,again no trust to turkish mechanics

      If you get a bigger intercooler, you will probably need a custom crossmember, a wagner style inlet manifold, more custom hoses............dunno the intake manifold but all others are ok np.


      You will need a maf........i dont have any idea about where i can get one?which one should i get etc..


      cant do all these stuff tomorrow but i am planning to do them in 3-4 months.

      woooow....maybe you think i am a totally crazy but we used a 225 Hp TT roadster pistons and connecting rods...this tt pistons teflonized,and lowered 4-5 mm.....and light...

      this engine is have too TT parts....the compressio ratio is not 9.3:1....~8.2:1
      Attached Files
      Karel

      :deviltail Hungarian Audi Hooligan :deviltail

      Comment


      • #18
        Nice pic, Tuned S2!! Share any more details: Turbo, power/torque curves etc??
        1995 S2 Avant with some upgrades

        Designun Limited....
        Aerospace, Space and Motorsport Design Consultancy and hardware supply.

        Comment


        • #19
          Originally posted by S2 Ant
          yeh thats absolutely correct it is a percentage thing. My point was more that 50bhp increase from say 350bhp is only around 30bhp per tonne, which isnt that much, and as a percentage isnt that much either.

          need to compare actual performance figures from 350 and 400 to see if all the extra £££ is worth it
          can u really put a price on more HP.

          Comment


          • #20
            Originally posted by Lee
            Nice pic, Tuned S2!! Share any more details: Turbo, power/torque curves etc??

            not too strong...

            mods-

            kkk k26/27B
            10 porsche orange injectors
            mod exh.camshaft
            handmade exh.manifold
            full ported and polished head
            custom intake manifold
            3.6 bar map
            stage 3 "venesz" chipset
            90 mm exhaust system
            oil catching system
            custom intercooler
            SQ maf
            etc


            horsepower.....so 550-625
            torque.....600-700

            maybe...
            Karel

            :deviltail Hungarian Audi Hooligan :deviltail

            Comment


            • #21
              Originally posted by TunedS2
              not too strong...

              mods-

              kkk k26/27B
              10 porsche orange injectors
              mod exh.camshaft
              handmade exh.manifold
              full ported and polished head
              custom intake manifold
              3.6 bar map
              stage 3 "venesz" chipset
              90 mm exhaust system
              oil catching system
              custom intercooler
              SQ maf
              etc


              horsepower.....so 550-625
              torque.....600-700

              maybe...

              oh i forgot...the chipset is MOTEC M48 not MOTRONIC
              Karel

              :deviltail Hungarian Audi Hooligan :deviltail

              Comment

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