Has anyone every looked into doing a coil sprung axle setup on an FJ40? I've done a lot of reading about SOA (most of which I didn't understand ???), but I've never heard of anyone trying a coil setup. Coil sprung solid axles are very popular with the 4Runner crowd I hang out with - is it possible with FJ40s. If everything else remained the same, does a SOA result in any noticable lift?