17lbs or 19lbs for Mark D 93 chip

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  • Morrison
    E30 Addict
    • May 2006
    • 430

    #1

    17lbs or 19lbs for Mark D 93 chip

    There is an option for the 93 octane chip that allows use with 17 or 19 lb injectors. If I have a choice of either, which one is ideal? Also, if I go with Bosch 19lbs, is the design II or design III preferable?
    "I think we consider too much the good luck of the early bird and not enough the bad luck of the early worm."
    -Franklin D. Roosevelt
  • ZM Blue Devil
    Forum Sponsor
    • Dec 2006
    • 13836

    #2
    if I recall correctly, the 93 is only 19lb. It should have the part number on the chip, you can check on his site.
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    • Morrison
      E30 Addict
      • May 2006
      • 430

      #3
      The site says that it is for 17 or 19 lb....

      Seems like a fairly large margin of error.
      "I think we consider too much the good luck of the early bird and not enough the bad luck of the early worm."
      -Franklin D. Roosevelt

      Comment

      • Evan12
        Grease Monkey
        • Dec 2010
        • 346

        #4
        Originally posted by Morrison
        The site says that it is for 17 or 19 lb....

        Seems like a fairly large margin of error.
        you are supposed to buy the one for which injectors you have. so if u run 17's then get the one for 17's. If you run 19's. get the one for 19's.

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        • Morrison
          E30 Addict
          • May 2006
          • 430

          #5
          That's just it though, there's only one part number:

          Last edited by Morrison; 01-26-2011, 06:08 AM. Reason: sizing
          "I think we consider too much the good luck of the early bird and not enough the bad luck of the early worm."
          -Franklin D. Roosevelt

          Comment

          • Evan12
            Grease Monkey
            • Dec 2010
            • 346

            #6
            thats weird. id just wait for an email back frm mark d himself.

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