FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: KrustyKabPlease Login or Register to create posts and topics.Post History: KrustyKabKrustyKabUserProfilePost HistoryNot sure what you mean by run ecu programmer? BarryIn: Low RPM erratic miss1 year agoI have a 72 F100 with a 351w and the 600 kit. Been running fine for 5yrs and now i am getting a low …In: Low RPM erratic miss1 year ago