FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: aliensinlaPlease Login or Register to create posts and topics.Post History: aliensinlaaliensinlaUserProfilePost HistoryI called FiTech support and there requirement is 3/8 return line, I also told them their instruct …In: fuel return line size6 years agoI have a 30002 (600HP) system and just purchased the 50001 fuel delivery system. I have a 5/16 sende …In: fuel return line size6 years ago
