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Thread: 4.3l to 6.0l swap pics

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  1. #1
    Join Date
    Jun 2008
    Location
    at my house
    Posts
    65
    Quote Originally Posted by duckysbht View Post
    nice swap! how long did it take you?
    I had the motor out in one afternoon. I had the other motor installed and wired
    in another three. So 4 days total.

    The only problem I had was, the first harness was from a 1999 6.0l with 4l80e
    which would have been more problems that it was worth, to re pin the entire harness. So after acquiring a 2003 harness, tac and dbw pedal I was good to go.

    If not for the wrong harness I would have been ready for the muffler shop the morning of the fifth day.


    2003 Silverado RCSB
    LQ9 6.0l, PS longtube, CAI, E-Fans and a custom tune via hptuners

  2. #2
    Join Date
    May 2006
    Location
    SATX
    Posts
    29
    Quote Originally Posted by jtaliaferro View Post
    I had the motor out in one afternoon. I had the other motor installed and wired
    in another three. So 4 days total.

    The only problem I had was, the first harness was from a 1999 6.0l with 4l80e
    which would have been more problems that it was worth, to re pin the entire harness. So after acquiring a 2003 harness, tac and dbw pedal I was good to go.

    If not for the wrong harness I would have been ready for the muffler shop the morning of the fifth day.
    did you have to change the dash harness?

  3. #3
    Join Date
    Jun 2008
    Location
    at my house
    Posts
    65
    No the dash harness is my original. The first harness that I purchased was from a 1999 2500 with a 4l80E


    2003 Silverado RCSB
    LQ9 6.0l, PS longtube, CAI, E-Fans and a custom tune via hptuners

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