I chanced upon this counterweight upgrade, do your still have this
[url][URL=http://s122.photobucket.com/user/highcurrent/media/fcab0183-5052-4d57-9ccb-8a313bb4b2d3_zpsa42f365f.jpg.html][/url]/url]
[url][URL=http://s122.photobucket.com/user/highcurrent/media/IMG_0456_zps0c9e0e41.jpg.html][/url]/url]