really? Can the purists be adults for once?
Yes the 4l60e fits better. The 4l60e needs to have the T-bar member notched a boxed vs. cutting out the entire center section and remaking it.
Your infantile opinion does not change the fact that the strength of a 42rh is a debatable subject. They have a bad rep. in the dodge truck world and no one is really racing one in a car.
Oh and that "conversion crap" is what keeps these cars out of the junkyards.