we bought every part and tried everything we would think of with the stock 60e tcase, no parts we bought were interchangeable.
we tried to install the larger shaft to accommodate the larger output shaft of the 80e.

We ended up putting an 80e tcase in the truck, of course went right in, but now the controls don't work.

the 80e case has a different connector setup and missing one solenoid, if i remember correctly.

we'll get back on it in a couple weeks, customer dropping off for a whole for us to ts.