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Thread: newbi Q, 4l60 to 6l80 on a 2000 z71 is there a writeup is it worth it how hard is it?

  1. #11
    Join Date
    Jul 2010
    Location
    Douglasville Ga
    Posts
    224
    Wow, I didn't realize that he said 6l80 either.

    Serial data to CAN is a no go. You would have to swap to a later engine that has a 58tooth crank reluctor and a 4x cam. Then you would need a 4th gen ECM and harness.

    Worth it, I doubt it.

  2. #12
    Join Date
    Aug 2009
    Location
    Fort Riley, KS
    Posts
    244
    04' RCSB, LQ9, Front mount T76, TU1, Circle D 3K, Built 4L60E, True Trac, 3.42:1, 4-6 Drop

  3. #13
    Join Date
    Jul 2010
    Location
    Douglasville Ga
    Posts
    224
    Tech is right. You would most likely come out cheaper with a TCI 6X.

  4. #14
    Join Date
    Jul 2009
    Posts
    20
    ...Hey thx's fellas, just found a 4l80 on CL for $400. with 112k miles is that an OK Price!!!!!!!..man i feel that the l60 won't last me, i don't race my truck just haul a 18ft enclosed car trailer........

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