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Thread: 4.3l to 6.0l swap pics

  1. #1
    Join Date
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    4.3l to 6.0l swap pics




































    The alternate transportation




  2. #2
    Join Date
    Jan 2008
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    Damm Nice-your Going To Feel A Big Difference

  3. #3
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    Oh yeah this thing is a night and day difference.


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

  4. #4
    Join Date
    Dec 2006
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    good choice on the engine!!!!

    bike looks sweet also!!!
    Simple: 408 on steroids!
    single digits coming soon!

  5. #5
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    nice swap! how long did it take you?
    1951 3100
    1984 C10

  6. #6
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    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

  7. #7
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    thats a pretty good turn around for taking the motor out. how are you liking it so far?
    1951 3100
    1984 C10

  8. #8
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    Quote Originally Posted by duckysbht View Post
    thats a pretty good turn around for taking the motor out. how are you liking it so far?
    I did a lot of research beforehand

    It runs great, I am getting better gas millage, what more could ya ask for


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

  9. #9
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    Quote Originally Posted by jtaliaferro View Post
    I did a lot of research beforehand

    It runs great, I am getting better gas millage, what more could ya ask for
    damn your getting better gas mileage? thats awesome
    1951 3100
    1984 C10

  10. #10
    Join Date
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    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?

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