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2005 vs 2007 ecm's

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  • 2005 vs 2007 ecm's

    i have a 2005 3.5 w/wiring, and ecm im trying to put it in my sand rail how ever i was told the ecm is completely programmable and its not.... the 2007 version is... same motor are the ecm's interchangable???? i tried looking at the sensor specs and will continue to dig but the some of you might wanna know

  • #2
    Different motor. The 2007 3500 is VVT and the 2005 is not.
    Ben
    60DegreeV6.com
    WOT-Tech.com

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    • #3
      you could run the 3500 with a harness and computer from a 3400 Grand Am if you want to stay OBD2.. you would need an external crankshaft trigger and a few other things to make it work.

      Personally i'd use an old Cavalier harness and ECM, 100% tuneable and no added BS.
      Past Builds;
      1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
      1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
      Current Project;
      1972 Nova 12.73@105.7 MPH

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      • #4
        There is also a stand alone option which will be 100% Tunable with easy to use software
        1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
        1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
        Because... I am, CANADIAN

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        • #5
          i dont want an external crank trigger and in 07 its the same motor no vvt " as ive been told" with a caviler harness and ecm is there an external trigger?? and id like to stay with a delphi ecm and would even be able to scan through the obd2 system... the 07 ecm is none to be even more tuneable then prior ecms.. but has anyone used one before... and what year caviler?

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          • #6
            What?
            Ben
            60DegreeV6.com
            WOT-Tech.com

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            • #7
              Originally posted by SappySE107 View Post
              What?


              seriously, i didn't understand a whole lot of that....

              HPT should support both ECMs...

              i would check......... but..... ok, i'm lazy.
              1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
              Latest nAst1 files here!
              Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

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              • #8
                i run the external trigger system from TCE on my '04 3500 and the original 91 Cavalier harness / ECM with no problems. with a eprom emulator from Moates and Tunerpro RT (free) i have full access to anything in the ECM.
                Past Builds;
                1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
                1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
                Current Project;
                1972 Nova 12.73@105.7 MPH

                Comment

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