FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: jimdPlease Login or Register to create posts and topics.Post History: jimdjimdUserProfilePost HistoryI have an 1983 AMC SpiritĀ with an amc 401 engine , race prepped 200R4 trans .reverse pattern valve …In: Fitech 1200 PA on AMC 4015 years agoNX maximiser EZ progressive nitrou controller #744-16006. This replaces your relay. Unplug the relay …In: Progressive controllers5 years ago