Drive on lift

If I am understanding your post, you actually cut the factory frame in order to install the new frame connectors? I have never seen that, can you provide a picture or two of your work? I hope you haven't compromised the original frame or created a potential weak spot! Just sayin'... not knowin'

It looks something like this.

Inserted into frame rail.
View attachment th.jpg


Through floor.
View attachment th1.jpg