FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: mwilbernPlease Login or Register to create posts and topics.Post History: mwilbernmwilbernUserProfilePost HistoryCan anyone tell me the acutal values for the upshift and downshift they are using for the 4l60. My …In: 4l60 transmission shift points/smooth shifting6 years ago
