FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: FrankenboggerPlease Login or Register to create posts and topics.Post History: FrankenboggerFrankenboggerUserProfilePost HistoryThe speedo wire on the fitech harness (next to the fans and tach and other wires) is a speedo out, n …In: Speedometer7 years agoI have a Retro Ls system running my 6.0 (LQ9) with a 4L85E trans. Super mild cam pulls 13 inches at …In: Retro LS... need some pointers7 years agoI am curious about this also. I have an aftermarket speedometer that is looking for 8000 pulses per …In: Aftermarket speedometer7 years ago
