3400 Tuning - ECM Compatability

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  • Badlands44
    3400 Rockcrawler
    • Aug 2006
    • 28
    #1

    3400 Tuning - ECM Compatability

    I have a 3400 in my rockcrawling buggy that is currently using all the wiring and computer from a '96 Lumina APV. The engine has a decent amount of mods (ported 3500 heads and intake, custom cam, 65mm throttle body, headers) and it runs ok, but not right.

    From what I have heard and read, HPT software can not tune my Lumina ECM. Is there any reason I can't swap my ECM out with one from a '97 Grand Prix so it can be tuned?
    Tags: None
    • Rhedalert
      Dr. Feelgood
      • Oct 2003
      • 1574
      #2
      a '97 PCM from most GM's will directly plug into the '96 harness, and you can tune away . That is how my Olds is setup. Try to find one from a '97 minivan so at least you could run it as is for a little bit.
      Brian

      '95 Cutlass Supreme- "The Rig"
      3400 SFI V6, 4T60e
      Comp Cam grind, LS6 valve springs, OBD2 swap, Tuned
      2.5" DP/ 2.5" dual exh/ Magnaflow Cat/ crap mufflers/ 3500 Intake manifold/ 65mm TB
      TGP steering Rack/ 34mm Sway Bar/Vert STB/ KYB GR2's

      '08 Chevy Trailblazer SWB 1LT "Smart Package"- LH6 5.3L V8/4L60e, A4WD

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        • IsaacHayes
          Mr. Orange.
          • Apr 2006
          • 6030
          #3
          I thought I responded to this? Did posts get deleted again?
          sigpic New 2010 project (click image)
          1994 3100 BERETTA. 200,000+ miles
           16.0 1/4 mile when stock. Now ???
          Original L82 Longblock           with LA1, LX9, LX5 parts
          Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.

            Comment

            • bszopi
              Site Coder
              • Apr 2000
              • 9189
              #4
              Its posted in 2 areas (Computer Tuning being the other, that you posted in). I just never got around to closing one, or merging them...
              -Brad-
              89 Mustang : Future 60V6 Power

              Follow the build -> http://www.3x00swap.com/index.php?page=mustang-blog

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