Thinking of swapping transmissions

[5280Racer]

So my wife currency has a 2004 Z71.. already had to rebuild the trans few years ago did a nice build on it and new performance tow converter. Now she wants it lifted and what not basically brand new everything. I have no problem doing she won't let me get her a new one she loves it. so I'm also gunna build a motor not sure what yet.. but I was considering maybe a 4L80 swap or even a 6L80... i can do the work and tune myself do it on my ZO6 already and Cummins... what would you do? The 4L60 is already built and don't plan on more the 400-450 hp its a pavement pounder she drives for work. Can anyone weigh in on what they would do?

 

[boomboom baker]

What about4l65e

 

[5280Racer]

What about4l65e

thats what it has if I remember correctly.

 

[01ssreda4]

4l60 all day for this. I don't think you can control a 6L yet independently?? At any rate not worth the expense even if you could.

 

[JKmotorsports]

If the trans is already built and you don't plan on anymore than about 400-450hp, I'd say stick with the built 4l60.