FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: DunerunnerPlease Login or Register to create posts and topics.Post History: DunerunnerDunerunnerUserProfilePost HistoryI'm not using Knock Sensors. Do I need to use the programmer to turn Knock Sensors on or off? …In: Not using Knock Sensors7 years agoHow critical is the cam selection in the initial set up?In: Cam selection in initial set up7 years agoHello, I have an Ultimate LS kit. The motor is in a boat with an outdrive. Motor runs great and stro …In: LS1 power hits a wall at 4500rpm7 years ago