FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: SiouxFalls73StangPlease Login or Register to create posts and topics.Post History: SiouxFalls73StangSiouxFalls73StangUserProfilePost HistoryHi Everyone, I have a 73 Mustang Convertible with an 89 5.0 bored out to a 308 with a fairly mild …In: New to the Forum6 years ago