Nice turbo weather

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  • EspenW
    S2Forum Extremist
    • Apr 2007
    • 1534
    • Country: Norway

    #1

    Nice turbo weather

    We got a nice cold spell over the last couple of days, with nighttime temps dropping down to -8C and some patches of snow here and there.
    All cars dig cold temps, but our high boosting turbo cars love it even more.
    Did some IAT logs with -3C ambient. IAT was 2C at peak boost/torque and 5C at 7000rpm. Nice, cool and good power too.
    1995 RS2 on Alcohol (6.8sec 100-200km/h)
    1994 80E Avant
    1986 2L Golf 2 on Alcohol
  • A80Avant
    S2Forum Obsessed
    • Sep 2005
    • 10873
    • Country: Greece

    #2
    yes indeed!

    we had 3.5 ambient in the morning today, and as i was cruising on the motorway i did get -1 IAT for a while. Then with a warm engine (74C) and 9 IAT to begin with, i went to 18C on a 3d gear pull up to 6300rpm. On the new firmware i take away .50deg of timing at 20C IATs but i have given a +50 to begin with anyway

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    • GazzaG60
      S2Forum Freak
      • Mar 2007
      • 4133
      • Country: United Kingdom

      #3
      warm your side then vas

      i saw -2 at 7am yesterday when putting my fishing gear in the car. i wanted to get back in bed really. took 20 minutes to defrost the car.

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      • A80Avant
        S2Forum Obsessed
        • Sep 2005
        • 10873
        • Country: Greece

        #4
        haha yes, not to mention the problem i had on cold start with vems, going to a VE bin that was too rich for idle making the car run like crap! made some adjustments yesterday though!

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        • GazzaG60
          S2Forum Freak
          • Mar 2007
          • 4133
          • Country: United Kingdom

          #5
          me too. i drove to kirkham near blackpool. i made a few mods to cruise. my last mods riched it up by 0.05-0.08. i pulled a degree or 2 and added a few in other spots.

          car started straight away i must say but it sulks for a few seconds. no idle valve.

          Comment

          • A80Avant
            S2Forum Obsessed
            • Sep 2005
            • 10873
            • Country: Greece

            #6
            without the idle valve, it works better on cold. which is why on the megatune versions i use 0 PWM on cold, then gradually bring it in.

            vemstune apparently works differently, but ill know in a couple of weeks.

            Comment

            • GazzaG60
              S2Forum Freak
              • Mar 2007
              • 4133
              • Country: United Kingdom

              #7
              let me know lol. its ****** software.

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