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Thread: Question on a 3900 swap

  1. #1

    Question on a 3900 swap

    Hello and greetings. I am in the mist of planning an engine swap for my 95 cutlass supreme sl.

    List of what i current have confirmed to make this work.
    (comfirmed)
    External crank tigger
    new cam resized to fit new journal or lock the vvt cam
    using the 3900 rail by using a fuel regulator with a bypass
    north start throttle body and adapter

    (unsure/ needing to know)
    If i get the engine from a impala will the compressor line up so i can still retain my ac
    Have been told that the engine mounts should all line up.
    Injector connections from the donor car should work if i soder the connectos on

    Any help to make my list more complete would be nice.
    Thank you in advance.

  2. #2
    Can't you utilize the ECM from the 3900 car to make the VVT work correctly?
    2004 Pontiac Grand Prix Comp G- ZZP 3" downpipe with high flow cat, U-bend delete, high flow mufflers, K&N drop in... The DD
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  3. #3
    jman093's Avatar

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    No, it uses the GMLAN bus network.
    Jesse M.
    2005 Chevrolet Corvette
    1987 Monte Carlo SS Aerocoupe.

    Former W's
    1996 GTP Special Edition.
    1993 Lumina Euro coupe.

  4. #4
    19Cutlass94's Avatar

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    Your better off getting a 3500.
    Jay

    1994 Oldsmobile Cultass Supreme SL
    -Modded
    1995 Chevy K1500 350c.i. 5spd Z71
    -Modded

  5. #5
    I have been told the lx9 will be easier. I was just wondering if anyone had done this swap and had any experience to give me so that i could makea complete list and possibly document this.

  6. #6
    jman093's Avatar

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    Quote Originally Posted by 95cutlassproject View Post
    I have been told the lx9 will be easier. I was just wondering if anyone had done this swap and had any experience to give me so that i could makea complete list and possibly document this.
    Not here, there is somebody on 60V6 who has done it. But from what I remember it was a lot of work just to get it to run, and run is about all that it does. You take away the VVT, the active intake and everything else to get it to run on another pcm or use megasquirt it becomes a pretty worthless swap. LX9 or L67/L32 the car.
    Jesse M.
    2005 Chevrolet Corvette
    1987 Monte Carlo SS Aerocoupe.

    Former W's
    1996 GTP Special Edition.
    1993 Lumina Euro coupe.

  7. #7
    To the LX9! now to start planning and gather info on this project.

  8. #8
    19Cutlass94's Avatar

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    Check out 60*v6. Many over there have LX9 swapped cars..
    Jay

    1994 Oldsmobile Cultass Supreme SL
    -Modded
    1995 Chevy K1500 350c.i. 5spd Z71
    -Modded

  9. #9
    jman093's Avatar

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    I've never read up on what's needed for the LX9 swap. I know you'll need that though:

    http://wot-tech.com/shop/gm-60v6/ext...r/prod_42.html
    Jesse M.
    2005 Chevrolet Corvette
    1987 Monte Carlo SS Aerocoupe.

    Former W's
    1996 GTP Special Edition.
    1993 Lumina Euro coupe.

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