The FWD bracket can't be used, it has no reliefs to "fit" around the angle gear like the awd one does.
As for cv axle angle, I don't think that's a true statement. The subframe doesn't affect the height of the engine or axles, axles come from the tranny and are mounted at the same height as before, since they are held at the height dictated by the upper engine mounts. The geometry of the suspension does change, but minimally. Should be fine once aligned.
I kept my c30 steering rack, and it rubbed at all times, it had nothing to do with turning. When the rear angle gear coupler spun, it was grinding into the heat shield.
I don't like the idea of raising the engine, it's going to make a whole bunch of other stuff not align well. The intake tubing, the IC piping, some wiring may be "tight" and then that adds more angle from the front of the drive shaft to the first carrier bearing.
I haven't taken I back out yet, gotta finish with some exhaust stuff and went for new rear wheel bearings. We'll see how she goes soon enough.