Freak m50 or misreading obc?

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  • alpinee30m50
    Mod Crazy
    • Mar 2009
    • 647

    #1

    Freak m50 or misreading obc?

    Im running an m50 with a 5 speed getrag 260 and a 2.93 lsd rear end, and my obc is reading 42.7 mpg average. I dont think this can be anywhere near correct, but i can hope. Im doing MPG calculations next time i fill up, but has anybody had an obc read wrong? This was with mostly highway driving, with some city.


    86 Zinno es
    M50 inside
  • DREWHALL
    E30 Fanatic
    • Feb 2006
    • 1207

    #2
    Holy crap. Something's wrong. I don't think there's anyway you're getting that mpg out of an M50.

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    • alpinee30m50
      Mod Crazy
      • Mar 2009
      • 647

      #3
      yeah i dont think so either, using very rough calculations im getting about 29 mpg


      86 Zinno es
      M50 inside

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      • Stu
        R3V Elite
        • Oct 2003
        • 4083

        #4
        It's incorrect. There is a correction factor but I don't know it off hand.

        Comment

        • NC325iC
          R3V OG
          • Mar 2004
          • 6565

          #5
          the OBC in these cars wasnt made for this engine, so its going to read incorrectly unless you get one of those signal correctors that some guy makes. i think he sells them on ebay.
          Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

          Originally posted by TimKninja
          Im more afraid of this thread turning into one of those classic R3v moments, where Pizza gets delivered.

          Comment

          • dude8383
            Forum Sponsor
            • Jan 2005
            • 10387

            #6
            I forgot the members name but this is his site:



            That will bring the numbers back to precise figures.
            IG: deniso_nsi Leave me feedback here

            Comment

            • alpinee30m50
              Mod Crazy
              • Mar 2009
              • 647

              #7
              Thanks guys, ill buy one of those when i have some cash


              86 Zinno es
              M50 inside

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