Has anyone ever hacked a stock K for power rack?

Just kinda curious, i stumbled on this picture a few days ago:



And it made me wonder if one could go one step further by cutting a "U" shape into each side of that K member and then use some plate to re-strengthen that area.(in the same way that mini-truck people will notch their frames) and then fit a power rack/pinion and fab. some mounts to those bars.

Though i'm not totally sure how'd make the spindles work.