5.3 to 6.0 how hard is it.

[Alderson95]

WwMy budy has a 2002 chevy z71 ex-cab. The motor is a 5.3l and the trans is a 4l60e. The motor in his truck has a knock in it. I'm fairly certain that it has thrown a rod. Not a hard fix but it is time consuming. He has a 2001 chevy 2500 ex-cab 4x4 in his back lot that had been rolled. The motor and trans are in mint condition. The motor is the 6.0l and the trans is the 4l80e. He wants to know how hard it would be just to swap the motor in. I told him I think the motor plugs would be fine but the trans plugs I had no clue. If anybody knows anything your info would be greatly apreceated.
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