FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: 5 window 48Please Login or Register to create posts and topics.Post History: 5 window 485 window 48UserProfilePost HistoryMine will not shift either. I even hanged the solenoids hoping that would remedyIn: 4L60e not shifting out of 1st7 years ago1948 Chevy thriftmaster 5 window sitting on a 2000 chevys10 frame. 2003 Chevy 3500 express van lq4/4 …In: 48 Chevy thriftmaster7 years agoretro LS with trans control on a lq4/4l80 transIn: 48 Chevy thriftmaster7 years ago