xd elantra suspension on an lc2 accent w/ brake swap
 

if you do the brake swap with elantra spindles can you use the elantra suspension on an accent you would think it would fit.

Define suspension...

If you converted the strut tops (different bolt pattern) the front strut/spring combo might work. The combo is a bit taller though so you would want a decent drop spring and a strut capable of lowering.

In the rear, I have contemplated attempting swapping in the strut/spring combo and rear knuckle w/ my strut top. I haven't compared enough to see if that's feasible without making custom control arms or not though. I doubt that you can use the XD control arms in the front or back, but if you're really interested get out a measuring tape and compare. I don't know if anyone has tried.

what about the rd tiburon shocks and springs and what if you would use the accent top mount on the struts.

I've never measured the RD's strut top bolt pattern, but they may match the Accent. I think I heard that they did. If I remember the next time I have a RD here I'll measure.