FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: johnnydoePlease Login or Register to create posts and topics.Post History: johnnydoejohnnydoeUserProfilePost HistoryI have a 600 hp 2x4 on a 455 Oldswith dual quad high rise offenhauser . Bought it last year in July …In: Fitech wont rev under load2 years ago
