Porterbuilt dropmember & stock control arm problems

[Bigdock]

Finally got around to installing my dropmember ran into some problems the truck is a 64 gmc I pulled factory crossmember installed Porterbuilt and had factory arms off of a 76 c10 I rebuild arms and installed new joints my upper which is a k6136 joint when I got it all installed my spindle hit the upper control arm the spindles are also new they are cpp cp4s4 spindles the 64 arms seem to work with the new k6136 joint but I hate to rebuild them since I've already rebuilt the 76 set please help