Any one else running any pnuematic guide bushing's on any Citizen's, or on any other sliding head stock machine for that matter...I've Got a bunch of JBS Guide Bushing Assemblies and, having problems with some (depending on what we're cutting)...I've done a lot of testing and playing...might have some solutions to some problems...Looking to discuss what I've found,(possible design problems), with any one else running pneumatic guide bushing's...(especially JBS)....