That would be a 4L60E transmission.
Yes, you sure can.
Auto Zone, Chilton shop maual.
Yes.
18436572
Chevy did not have a 350 in 2001 engine options were 5.3, 6.0. or big block
YES, They sure are and will interchange with NO problems. Direct bolt in.
it has a 5.7L 350
Its a 5.7L 350 engine
YES
probably a 350 small block
It has 1