" I do know that anyone who has attempted to convert a self-leveling rear to
non-SLS (standard spring & shock) has never had good results "--gsxr

That is an incredibly sweeping statement, implying you know all the people who have ever converted these rear suspensions... Would you like to restate that using some 'qualifier' words... like ' that I have known,' ' that I have read about' ,'most', etc...?