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Re: Turbos, HP reality training

  There are other important variables beyond boost pressure and engine RPM
  though. Compression, cam timing, ignition timing and intake/exhaust/head
  flow characteristics will make differences as well. I'm not sure if/how
  these vary between the S4 and the 5k/RS2 setup. You may be
  underestimating the benefits of the reduced intake charge temperature
  claimed of the RS2 turbo. This may be the real advantage of the RS2.....