MarkD chip install anxiety!

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  • silversleeper
    R3VLimited
    • Mar 2005
    • 2032
    #1

    MarkD chip install anxiety!

    So, I got my car, and it has a 173 ECU in it... but the 19lbs injectors are in my other E30. The E30 I want to install the chip in still has the 14lbs stockers. What could I expect to happen if I were to install the chip without the injectors? Would I even notice a gain, seeing that the injectors will be maxed out? What could go wrong?

    I wont have time to install the injectors till this weekend, but a chip install is a matter of minutes. SO, enlighten me before I do something stupid.
    Claus Luthe is my hero.

    Tags: None
    • parkerbink
      R3V OG
      • Jun 2004
      • 10134
      #2
      I may be wrong but seems to me the worst that will happen is fuel starvation at full throttle which will only cause a seconds loss of power. Just don't drive at full throttle and I'd think it will be ok for a few days.

      [IMG]https://cimg4.ibsrv.net/gimg/my350z.com-vbulletin/550x225/80-parkerbsig_5096690e71d912ec1addc4a84e99c374685fc03 8.jpg[/IMG

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        • PeaveyBassist
          No R3VLimiter
          • Sep 2004
          • 3511
          #3
          Stock 14lb injectors are good up to 200hp or so. The Alpina B2.7 uses stock 14lb injectors.

          Will
          RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
          Welcome e30 (brilliantrot '90 325is) 12/23/06
          DaveCN = Old Man
          My signature picture was taken by ME! Not by anyone else!



          Originally posted by george graves
          If people keep quoting me in their sig, I'm going to burn this motherfucker down.

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            • nando
              Moderator
              • Nov 2003
              • 34827
              #4
              Originally posted by PeaveyBassist
              Stock 14lb injectors are good up to 200hp or so. The Alpina B2.7 uses stock 14lb injectors.

              Will
              they probably aren't using the stock FPR though..

              also, that's 200hp at 100% duty cycle.. not a good thing!
              Build thread

              Bimmerlabs

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                • PeaveyBassist
                  No R3VLimiter
                  • Sep 2004
                  • 3511
                  #5
                  Just sayin ;) You can use stock injectors. It shouldnt run lean because of them.

                  Will
                  RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
                  Welcome e30 (brilliantrot '90 325is) 12/23/06
                  DaveCN = Old Man
                  My signature picture was taken by ME! Not by anyone else!



                  Originally posted by george graves
                  If people keep quoting me in their sig, I'm going to burn this motherfucker down.

                    Comment

                    • Mystikal
                      Moderator
                      Wheel Fitment Expert
                      • Nov 2003
                      • 9602
                      #6
                      Originally posted by PeaveyBassist
                      Stock 14lb injectors are good up to 200hp or so. The Alpina B2.7 uses stock 14lb injectors.

                      Will
                      Lies.

                      I was on the dyno with MarkD when we discovered the limits of the stock injectors, and the reason he made two different copies afterwards. They maxed out at everything above 3500rpm, rather badly. Still relatively safe (the AFR was somewhere around 14-15), but I still wouldn't do it again.

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