FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: ltcbmPlease Login or Register to create posts and topics.Post History: ltcbmltcbmUserProfilePost HistoryIf you are running an ultimateLS system they have one available. It does not know what ecu that it i …In: Tuning method5 years agomost likely in the DFCO settings. Also how much time advance are you running? Looking at the plugs i …In: Ultimate LS dies when coming to a stop5 years agoi have a stockĀ ls3 with a BTR stage 3 ls3 n/a cam that has a stumble from off idle to wot. It is a …In: WOT Stumble5 years ago