Single Digit Club - tranny ?

i have a 02 z28 416 forged turbo with 250 shot. making 800hp. my 4l60e as 60,000 miles on it, its obv all done. is it worth rebuilding or should i get a th400.

4L80 if you want to keep od...or if you dont care about od the th400 would be a great choice!

would performabuilt 4l60e level 3 be strong anough? says 800 rwhp

turbo 400 all the way... i just so happen to have a fresh one im selling if intrested shoot me a pm!!