Suspension advice needed.

No, there will still be some tension on the torsion bars.
After the lca is loose, remove the spring clip at the rear of the torsion bar and you should be able to back them out. I used two pieces of scrap 2X4 long enough to use 4 carriage bolts. Saddle it over the torsion bar, tighten them down real good and use your bfh...
C