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so what intercooler now???

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  • so what intercooler now???

    Hi all,

    I looked over all the polo stats from pog wars I.
    What amazed me was that the forge still kept temps lowest, and requeted boost was still very close to actual?
    So the million $ question, what intercooler to get.
    The forge looks best, however, noone had a ths, larger seat cooler, which may be beter.

    Would appreciate any words of wisdom/ views.

    Thanks
    Clint
    Polo 9n3 GTI

  • #2


    Forge red line........SEAT blue line

    Comment


    • #3
      Just to be clear, the above chart shows apples with apples....ie the increase in kw is only due to a change in intercooler, NO other changes at all!
      If thats the case, the the slight increase in temp via the seat is more than overcome by the decrease in pressure.

      Wonder what would happen if you had a larger turbo, could it counter the back pressure in the forge, and utilise the lower temp?
      So many questions.
      Did pog wars just create more questions
      Polo 9n3 GTI

      Comment


      • #4
        I also noticed that the Seat cooler dosen't keep the temperature down as much as the Forge cooler did.

        If you need a few more PSI boost i would just add a manual boost controller lol
        MODS- TOO MANY

        Comment


        • #5
          Id wait to see if we can properly evaluate THS core.

          I know I've splattered this message across a few posts, but you can't just look at the temps without seeing what the resulting output was.

          For eg, if the Seat core system showed higher temps, but generated more torque, then that would make sense.

          For the time I will be holding off from the THS core as this comparison did not show the black / white differences that some had claimed. Also, the flow restriction is likely more relevant to an upgraded turbo than the stock one.

          Comment


          • #6
            Would it make any difference as to whether your intent is to run it down the dragstrip or on a circuit? Marginally lower boost but cooler intake temps Vs more stable boost and high intake temps? That may be the reality of the results that it's all a trade off of one Vs the other rather than as noone said, black and white differences.
            Track Car: 06 Polo GTI Red Devil mkII
            Daily: 2010 VW Jetta Highline
            Gone but not forgotten: 08 Polo GTI
            ** All information I provide is probably incorrect until validated by someone else **

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            • #7
              Guys from the looks of this it seems the intake temps or intercooler in general don't seem to have much impact on power figures at all



              My power 156
              Jason's power 156

              My torque 348
              Jason's torque 366

              And just to really throw a spanner in the works - Jason has an open pod filter right off the MAF next to engine. So much for our carefully thought-out and engineered Cold Air Intake's
              Last edited by VWindahouse; 27-08-2012, 12:35 PM.

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              • #8
                Originally posted by VWindahouse View Post
                Guys from the looks of this it seems in the intake temps or intercooler in general don't seem to have much impact on power figures at all

                My power 156
                Jason's power 156

                My torque 348
                Jason's torque 366

                That's a very good point, if we're talking real world aplication, race track or drag strip (haha, real world...) the driver will have much greater bearing on outcome that a few kilowatts here and there.
                Track Car: 06 Polo GTI Red Devil mkII
                Daily: 2010 VW Jetta Highline
                Gone but not forgotten: 08 Polo GTI
                ** All information I provide is probably incorrect until validated by someone else **

                Comment


                • #9
                  Just looked at the results again, and it shows Leitch pushing lower boost than Ant. Perhaps thats why the forge IC seems to work beter ??
                  If Leitch pushed the same boost, perhaps the temp will also rise proportionally??
                  Views?
                  Polo 9n3 GTI

                  Comment


                  • #10
                    Originally posted by clicht View Post
                    Just looked at the results again, and it shows Leitch pushing lower boost than Ant. Perhaps thats why the forge IC seems to work beter ??
                    If Leitch pushed the same boost, perhaps the temp will also rise proportionally??
                    Views?
                    If you compress air it gets hotter, physics, you can't avoid it. No idea what the ratio of pressure to heat is though.

                    Off to google it now though.
                    optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

                    Comment


                    • #11
                      Originally posted by h100vw View Post
                      If you compress air it gets hotter, physics, you can't avoid it. No idea what the ratio of pressure to heat is though.

                      Off to google it now though.
                      What about the efficiency of the turbo. I recall reading on Hot4's many years ago about a turbo operating beyond it's efficient boost levels will generate significantly more heat, yet minimal power. Is either application perhaps nudging the efficiency max of the turbo?
                      Track Car: 06 Polo GTI Red Devil mkII
                      Daily: 2010 VW Jetta Highline
                      Gone but not forgotten: 08 Polo GTI
                      ** All information I provide is probably incorrect until validated by someone else **

                      Comment


                      • #12
                        So it may just be franken/k004 with a decent FMIC. This would then mean that the larger turbo will not have to work as hard, so temps will be lower? , and a custom code flash can do that.
                        Does that sound right ?
                        Last edited by clicht; 27-08-2012, 05:16 PM.
                        Polo 9n3 GTI

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                        • #13
                          My THS intercooler arrived today. Hopefully will be installing this weekend if I get all the other bits a pieces.

                          Comment


                          • #14
                            So far, the only solid conclusion is that all the FMICs are better than the stock SMIC
                            Resident grumpy old fart
                            VW - Metallic Paint, Radial Tyres, Laminated Windscreen, Electric Windows, VW Alloy Wheels, Variable Geometry Exhaust Driven Supercharger, Direct Unit Fuel Injection, Adiabatic Ignition, MacPherson Struts front, Torsion Beam rear, Coil Springs, Hydraulic Dampers, Front Anti-Roll Bar, Disc Brakes, Bosch ECU, ABS

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                            • #15
                              Originally posted by kaanage View Post
                              So far, the only solid conclusion is that all the FMICs are better than the stock SMIC
                              Haha
                              Polo 9n3 GTI

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