Yea I would think the single spring system would be better for hard core wheelers. The spring wouldn't see a lot of compression or droop when flexxed like the 2 spring design. Might actually make articulation better.

(aka suprathepeg, aka Sean)
89 v6 SWB truck "BLACK BEAUTY" EB valves, P&P head 30 over.
95 FZJ80. Lifted. locked and rollin on 33s (my dream machine)